സി/2020 എഫ്3

C/2020 F3 (NEOWISE) നിയോവൈസ്
	C/2020 F3 (NEOWISE) photographed from Germany on July 14, 2020
Discovery
Discovered by	NEOWISE
Discovery date	March 27, 2020 It was classified as a comet on March 31 and named after NEOWISE on April 1.
Orbital characteristics A
Epoch	2458953.5 (April 14, 2020)
Aphelion	544 AU (inbound); 720 AU (outbound)
Perihelion	0.29478 AU
Semi-major axis	272 AU (inbound); 360 AU (outbound)
Eccentricity	0.99921
Orbital period	~4500 yrs (inbound); ~6800 yrs (outbound)
Inclination	128.93°
Last perihelion	July 3, 2020

വൈഡ് ഫീൽഡ് ഇൻഫ്രാറെഡ് സർവ്വേ എക്സ്പ്ലോറർ 2020 മാർച്ച് 27-ആം തീയ്യതി കണ്ടെത്തിയ വാൽനക്ഷത്രമാണ് സി/2020 എഫ്3(നിയോവൈസ്, C/2020 F3 (NEOWISE) അഥവാ Comet NEOWISE ). 2020 ജൂലൈ മാസത്തിൽ ഉത്തരാർദ്ധഗോളത്തിൽ നഗ്നനേത്രങ്ങളാൽ കാണാനാകുന്ന വാൽനക്ഷത്രമാണിത്, ജൂലൈ 22, 23 തിയതികളിൽ ഭൂമിയോട് ഏറ്റവും അടുത്തായി വരും^[4]

അവലംബം

↑ Mace, Mikayla (8 July 2020). "Comet NEOWISE Sizzles as It Slides by the Sun, Providing a Treat for Observers". Infrared Processing and Analysis Center. Retrieved 13 July 2020.
↑ "COMET C/2020 F3 (NEOWISE)". Minor Planet Electronic Circulars. 2020-G05. 1 April 2020. Retrieved 13 July 2020. On behalf of NEOWISE (C51), J. Masiero reported on March 31 UT that this object showed clear signs of cometary activity.
↑ ഉദ്ധരിച്ചതിൽ പിഴവ്: അസാധുവായ <ref> ടാഗ്; Horizons എന്ന പേരിലെ അവലംബങ്ങൾക്ക് എഴുത്തൊന്നും നൽകിയിട്ടില്ല.
↑ https://malayalam.indianexpress.com/tech/neowise-comet-pictures-last-nights-fireworks-nasa-bob-behnken-394950/

Seiichi Yoshida. "C/2020 F3 ( NEOWISE )". Retrieved April 4, 2020.
"Comet Observation database (COBS)". Retrieved May 27, 2020. "C/2020 F3 (NEOWISE) plot" Archived 2020-07-16 at the Wayback Machine
JPL Horizons barycentric solution for epoch 1950 (before entering planetary region)
Goto JPL Horizons
Ephemeris Type: Orbital Elements
Center: @0 (Solar System Barycenter)
Time Span: 1950-01-01 to 2050-01-01 and Step Size: 100 years
1950-Jan-01 is "PR = 1.63 × 10⁶/365.25 days" = 4462 years
(For long-period comets on multi-thousand year orbits, asymmetric outgassing will affect the highly sensitive orbital period and eccentricity.)
JPL Horizons closest approach to Earth
Goto JPL Horizons
Ephemeris Type: Observer
Observer Location: 500 (Geocentric)
(Closest approach occurs when deldot flips from negative to positive)
"Comet F3 NEOWISE May Perform in July". Universe Today. Retrieved June 30, 2020.
"ATel #13853: Morphology and Photometry of Comet C/2020 F3 (NEOWISE) from SOHO". Astronomer's Telegram. July 2, 2020.
"How to see Comet NEOWISE". EarthSky. Retrieved July 11, 2020.
"NEOWISE: Rare Image of a Comet's Sodium Tail". Planetary Science Institute. July 13, 2020. Archived from the original on 2020-07-14. Retrieved July 14, 2020.
"JPL Small-Body Database Search Engine: numbered comets and diameter > 4 (km) and diameter < 6 (km)". JPL Solar System Dynamics. Retrieved July 13, 2020.

[discovery_date-1] Mace, Mikayla (8 July 2020). "Comet NEOWISE Sizzles as It Slides by the Sun, Providing a Treat for Observers". Infrared Processing and Analysis Center. Retrieved 13 July 2020.

[2] "COMET C/2020 F3 (NEOWISE)". Minor Planet Electronic Circulars. 2020-G05. 1 April 2020. Retrieved 13 July 2020. On behalf of NEOWISE (C51), J. Masiero reported on March 31 UT that this object showed clear signs of cometary activity.

[Horizons-3] ഉദ്ധരിച്ചതിൽ പിഴവ്: അസാധുവായ <ref> ടാഗ്; Horizons എന്ന പേരിലെ അവലംബങ്ങൾക്ക് എഴുത്തൊന്നും നൽകിയിട്ടില്ല.

[4] ttps://malayalam.indianexpress.com/tech/neowise-comet-pictures-last-nights-fireworks-nasa-bob-behnken-394950/

[Yoshida-5] Seiichi Yoshida. "C/2020 F3 ( NEOWISE )". Retrieved April 4, 2020.

[COBS-6] "Comet Observation database (COBS)". Retrieved May 27, 2020. "C/2020 F3 (NEOWISE) plot" Archived 2020-07-16 at the Wayback Machine

[Horizons-7] JPL Horizons barycentric solution for epoch 1950 (before entering planetary region)
Goto JPL Horizons
Ephemeris Type: Orbital Elements
Center: @0 (Solar System Barycenter)
Time Span: 1950-01-01 to 2050-01-01 and Step Size: 100 years
1950-Jan-01 is "PR = 1.63 × 10⁶/365.25 days" = 4462 years
(For long-period comets on multi-thousand year orbits, asymmetric outgassing will affect the highly sensitive orbital period and eccentricity.)

[Horizons-CA-8] JPL Horizons closest approach to Earth
Goto JPL Horizons
Ephemeris Type: Observer
Observer Location: 500 (Geocentric)
(Closest approach occurs when deldot flips from negative to positive)

[UT-9] "Comet F3 NEOWISE May Perform in July". Universe Today. Retrieved June 30, 2020.

[ATEL13853-10] "ATel #13853: Morphology and Photometry of Comet C/2020 F3 (NEOWISE) from SOHO". Astronomer's Telegram. July 2, 2020.

[Earthsky20200710-11] "How to see Comet NEOWISE". EarthSky. Retrieved July 11, 2020.

[sodiumtail-12] "NEOWISE: Rare Image of a Comet's Sodium Tail". Planetary Science Institute. July 13, 2020. Archived from the original on 2020-07-14. Retrieved July 14, 2020.

[SBDB-13] "JPL Small-Body Database Search Engine: numbered comets and diameter > 4 (km) and diameter < 6 (km)". JPL Solar System Dynamics. Retrieved July 13, 2020.

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