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208996 (2003 AZ84)

Classification: TransNeptunian Object SPK-ID: 2208996

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

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.1828838057511056	1.08e-05
a	39.27457401287166	0.0006873	au
q	32.09189044814422	0.00095297	au
i	13.58548801636797	4.0618e-05	deg
node	252.1379824983248	0.000204	deg
peri	16.18886918681365	0.0038022	deg
M	233.8397757819396	0.0045054	deg
t_p	2490705.943903637635 (2107-Mar-22.44390364)	0.72456	TDB
period	89901.23373358669 246.14	2.3599 0.006461	d yr
n	.004004394434305807	1.0511e-07	deg/d
Q	46.45725757759911	0.000813	au

Orbit Determination Parameters

# obs. used (total)	409
data-arc span	9017 days (24.69 yr)
first obs. used	1996-03-19
last obs. used	2020-11-25
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
condition code	2
norm. resid. RMS	.43944
source	ORB
producer	Otto Matic
solution date	2021-Feb-24 12:35:49

Additional Information

Earth MOID = 31.0764 au

Jupiter MOID = 26.8245 au

T_jup = 5.383

[ hide covariance matrix ]

Orbital Elements at Epoch 2457372.5 (2015-Dec-16.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.1766821091926814	1.0589e-05
q	32.63666051128068	0.00095898	au
t_p	2490456.040910948439 (2106-Jul-15.54091095)	0.73903	TDB
node	252.051172335751	0.00020333	deg
peri	13.71261221290395	0.0040454	deg
i	13.56751788361359	4.0332e-05	deg

Orbit Determination Parameters

# obs. used (total)	409
data-arc span	9017 days (24.69 yr)
first obs. used	1996-03-19
last obs. used	2020-11-25
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
condition code	2
norm. resid. RMS	.43944
source	ORB
producer	Otto Matic
solution date	2021-Feb-24 12:35:49

Additional Information

Jupiter MOID = 26.8245 au

T_jup = 5.383

Orbit Covariance (6×6)

	e	q	tp	node	peri	i
e	1.121290276481853E-10	-9.604455401590972E-9	-3.113645330786176E-6	9.247265762594645E-11	2.154689366905882E-8	8.05243817483232E-12
q	-9.604455401590972E-9	9.19636942965812E-7	5.714863266297496E-5	-1.063536549428253E-8	-2.929754666199889E-6	-1.075261718054299E-9
tp	-3.113645330786176E-6	5.714863266297496E-5	.5461649830717331	3.231880573482009E-6	.001765543361412406	6.057316950097098E-7
node	9.247265762594645E-11	-1.063536549428253E-8	3.231880573482009E-6	4.134254913883091E-8	7.876837602066776E-9	8.143077072173009E-9
peri	2.154689366905882E-8	-2.929754666199889E-6	.001765543361412406	7.876837602066776E-9	1.636499947700558E-5	-2.052655033431714E-9
i	8.05243817483232E-12	-1.075261718054299E-9	6.057316950097098E-7	8.143077072173009E-9	-2.052655033431714E-9	1.626693248540138E-9

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

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
absolute magnitude	H	3.83		n/a	E2021B55
rotation period	rot_per	13.42	h	n/a	LCDB (Rev. 2020-October); Warner et al., 2009	[Result based on less than full coverage, so that the period may be wrong by 30 percent or so.]

208996 (2003 AZ84) Discovered 2003-Jan-13 by Trujillo, C. A., Brown, M. E. at Palomar
Reference: 20090311/Numbers.arc	Last Updated: 2009-03-12

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

2021-Mar-01 20:44 UT
(server date/time)

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