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C/2009 F6 (Yi-SWAN)

Classification: Comet SPK-ID: 1003019

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

Orbital Elements at Epoch 2454972.5 (2009-May-21.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.997512330328695	4.2642e-06
a	512.1897873070631	0.87816	au
q	1.27415899983593	1.0903e-06	au
i	85.76480576086456	3.9619e-05	deg
node	278.6790016737545	4.631e-05	deg
peri	129.7722945374815	0.00012646	deg
M	.001153513663202778	2.9757e-06	deg
t_p	2454958.933586777743 (2009-May-07.43358678)	0.00013264	TDB
period	4233940.97166751 11591.90	10889 29.81	d yr
n	8.502716556726493E-5	2.1867e-07	deg/d
Q	1023.10541561429	1.7541	au

Orbit Determination Parameters

# obs. used (total)	489
data-arc span	330 days
first obs. used	2009-04-06
last obs. used	2010-03-02
planetary ephem.	DE431
SB-pert. ephem.	SB431-BIG16
norm. resid. RMS	.70638
source	ORB
producer	Otto Matic
solution date	2014-Jun-13 19:44:19

Additional Information

Earth MOID = .504959 au

T_jup = 0.113

[ hide covariance matrix ]

Orbit Covariance (6×6)

	e	q	tp	node	peri	i
e	1.818374669007249E-11	1.998831701790537E-12	4.574749517529877E-10	-3.825869933253324E-11	4.71483509099862E-10	-9.361061450541514E-11
q	1.998831701790537E-12	1.188852960255407E-12	1.055712270225524E-10	-2.222024811742962E-11	9.355439468034068E-11	-3.224264831268186E-11
tp	4.574749517529877E-10	1.055712270225524E-10	1.759344123864938E-8	-2.085032576847046E-9	1.642407767338902E-8	-3.776054739392778E-9
node	-3.825869933253324E-11	-2.222024811742962E-11	-2.085032576847046E-9	2.144590088597112E-9	-1.990337804636902E-9	3.715001538558435E-10
peri	4.71483509099862E-10	9.355439468034068E-11	1.642407767338902E-8	-1.990337804636902E-9	1.599178824290507E-8	-3.502958427318148E-9
i	-9.361061450541514E-11	-3.224264831268186E-11	-3.776054739392778E-9	3.715001538558435E-10	-3.502958427318148E-9	1.569660121160103E-9

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
comet total magnitude	M1	9.7		1.	28	2 parameter fit from 80 observations, autocmod 2.5c
comet total magnitude slope	K1	13.		n/a	28	autocmod 2.5c
comet nuclear magnitude	M2	13.2		1.	28	from 320 observations, autocmod 2.5c
comet nuclear magnitude slope	K2	5.		n/a	28	autocmod 2.5c
comet nuclear phase coefficient	PC	0.03		n/a	28	autocmod 2.5c

[ hide close-approach data ]

Close-Approach Data ...sorted by Date/Time (TDB)

Date/Time (TDB)	Time Uncertainty (days_HH:MM)	Body	Nominal Distance (au)	Minimum Distance (au)	Maximum Distance (au)	V-relative (km/s)	V-infinity (km/s)	JD (TDB)	Time Uncertainty (minutes)	Semi-major axis (km)	Semi-minor axis (km)	range-LOV angle (deg)	N-sigma	BP	Orbit Ref.	Reference	Modified
2008-Feb-24 00:00	< 00:01	Jupiter	0.796920588987494	0.796843524400535	0.796997654773761	22.141854634108	22.0937997596393	2454520.499972603	0.800363830262675	4145.94406813076	486.887976108353	22.2399205609785	91628.595597925	T	28	CATAB v2.0e-lin.ifort 2017-Nov-30 19:07:23	2017-Nov-30 19:07

Alternate Designations

Perihelion Year (est.)	New-Style Desig	Roman Numeral	Year/ Letter
2009.3	C/2009 F6

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

2021-Jan-27 14:46 UT
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