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C/2012 X1 (LINEAR)

Classification: Comet SPK-ID: 1003224

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ 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 2456644.5 (2013-Dec-18.0) TDB
Reference: JPL 65 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.9895711858626149	3.1132e-06
a	153.316517184367	0.045884	au
q	1.598909461906966	1.3481e-06	au
i	44.36731679876682	1.3273e-05	deg
node	113.1464195840937	1.6481e-05	deg
peri	132.1137001863842	8.0334e-05	deg
M	359.9659241781679	1.5367e-05	deg
t_p	2456710.133517871476 (2014-Feb-21.63351787)	0.00014346	TDB
period	693396.8181358965 1898.42	311.27 0.8522	d yr
n	.0005191832304160427	2.3307e-07	deg/d
Q	305.0341249068271	0.091289	au

Additional Model Parameters

Parameter	Value	Uncertainty (1-sigma)
A1 [EST]	3.613200618431053E-8	7.038E-10
A2 [EST]	2.190183669197523E-9	8.502E-10
A3 [EST]	5.328130630523456E-9	1.629E-10
DT [EST]	25.92027812999656	2.307

Orbit Determination Parameters

# obs. used (total)	2560
data-arc span	1038 days (2.84 yr)
first obs. used	2012-12-08
last obs. used	2015-10-12
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
norm. resid. RMS	.45893
source	ORB
producer	Otto Matic
solution date	2018-Jan-31 15:04:22

Additional Information

Earth MOID = .751502 au

Jupiter MOID = 1.06571 au

T_jup = 1.152

[ hide covariance matrix ]

Orbit Covariance (10×10)

	e	q	tp	node	peri	i	A1	A2	A3	DT
e	9.691734822453078E-12	3.783892245404238E-12	-4.196916618552883E-10	-1.446362590596552E-11	-2.363630860616686E-10	9.703275976501869E-12	-1.794773154035011E-15	-2.085064909741153E-15	2.770649751101157E-16	4.076058550319313E-6
q	3.783892245404238E-12	1.817305777745642E-12	-1.614962155891165E-10	-5.291087016807596E-12	-9.560611422335758E-11	4.058918995287519E-12	-7.030188341161619E-16	-8.421027021904481E-16	1.058383895086216E-16	2.281954325882552E-6
tp	-4.196916618552883E-10	-1.614962155891165E-10	2.057969694453473E-8	4.443545647271447E-10	1.122157745078271E-8	-5.018069297080871E-10	9.197903637879164E-14	8.196290615035788E-14	-1.173590572462212E-14	-.0001162750399990829
node	-1.446362590596552E-11	-5.291087016807596E-12	4.443545647271447E-10	2.716180443896294E-10	8.548599710422807E-11	7.902298582549477E-11	9.695315618941271E-16	6.775392637841248E-15	-1.687378958156382E-15	-1.136296880007342E-5
peri	-2.363630860616686E-10	-9.560611422335758E-11	1.122157745078271E-8	8.548599710422807E-11	6.453611660250833E-9	-3.451268959419067E-10	5.202451287945051E-14	4.31375788581511E-14	-5.527528564752429E-15	-7.696196143894987E-5
i	9.703275976501869E-12	4.058918995287519E-12	-5.018069297080871E-10	7.902298582549477E-11	-3.451268959419067E-10	1.761780810296044E-10	-2.442782247968777E-15	1.683710223513114E-16	2.332516983970491E-16	2.542671265598976E-6
A1	-1.794773154035011E-15	-7.030188341161619E-16	9.197903637879164E-14	9.695315618941271E-16	5.202451287945051E-14	-2.442782247968777E-15	4.953559467622007E-19	2.550560699760574E-19	-4.410019626116228E-20	-1.817805460813616E-10
A2	-2.085064909741153E-15	-8.421027021904481E-16	8.196290615035788E-14	6.775392637841248E-15	4.31375788581511E-14	1.683710223513114E-16	2.550560699760574E-19	7.228328190771952E-19	-8.669156136318693E-20	-1.369000560036227E-9
A3	2.770649751101157E-16	1.058383895086216E-16	-1.173590572462212E-14	-1.687378958156382E-15	-5.527528564752429E-15	2.332516983970491E-16	-4.410019626116228E-20	-8.669156136318693E-20	2.654802452439192E-20	1.334857780990768E-10
DT	4.076058550319313E-6	2.281954325882552E-6	-.0001162750399990829	-1.136296880007342E-5	-7.696196143894987E-5	2.542671265598976E-6	-1.817805460813616E-10	-1.369000560036227E-9	1.334857780990768E-10	5.324058818426486

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
comet total magnitude	M1	5.7		01.	65	2 parameter fit from 365 observations, autocmod 2.6k
comet total magnitude slope	K1	14.		n/a	65	autocmod 2.6k
comet nuclear magnitude	M2	10.8		0.9	65	from 1961 observations, autocmod 2.6k
comet nuclear magnitude slope	K2	5.		n/a	65	autocmod 2.6k
comet nuclear phase coefficient	PC	0.03		n/a	65	autocmod 2.6k

Alternate Designations

Perihelion Year (est.)	New-Style Desig	Roman Numeral	Year/ Letter
2014.1	C/2012 X1

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

2021-Jan-23 02:26 UT
(server date/time)

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