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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 40 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1687105982241035 | 1.4529e-08 | |
| a | 3.15222580319406 | 1.3569e-08 | au |
| q | 2.620411902199735 | 4.8067e-08 | au |
| i | 2.248872297738848 | 4.2654e-07 | deg |
| node | 127.4927639867599 | 2.2202e-05 | deg |
| peri | 173.6210500821538 | 2.4371e-05 | deg |
| M | 313.0242997741339 | 5.9761e-06 | deg |
| tp | 2459467.244312469691
(2021-Sep-09.74431247) | 3.4481e-05 | TDB |
| period | 2044.204812857975
5.60 | 1.3199e-05
3.614e-08 | d
yr |
| n | .1761075982874186 | 1.1371e-09 | deg/d |
| Q | 3.684039704188385 | 1.5858e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2456851.5 (2014-Jul-13.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1668915281258086 | 1.4529e-08 | |
| q | 2.62732287278805 | 4.8041e-08 | au |
| tp | 2457421.211354321747
(2016-Feb-02.71135432) | 3.3043e-05 | TDB |
| node | 127.5002941516545 | 2.2204e-05 | deg |
| peri | 173.6067348099265 | 2.4413e-05 | deg |
| i | 2.248188901437914 | 4.2658e-07 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
| |
e |
q |
tp |
node |
peri |
i |
| e |
2.110987982422533E-16 |
-6.78271320799886E-16 |
6.278228978584198E-14 |
-7.451350992385306E-14 |
1.063849280797148E-13 |
1.566322450956666E-15 |
| q |
-6.78271320799886E-16 |
2.307902360875699E-15 |
-2.186853905631227E-13 |
2.502323223806368E-13 |
-3.600447997261464E-13 |
-5.211006520884042E-15 |
| tp |
6.278228978584198E-14 |
-2.186853905631227E-13 |
1.091834691871263E-9 |
-8.8754005865928E-11 |
3.298757829241032E-10 |
5.737456852256644E-13 |
| node |
-7.451350992385306E-14 |
2.502323223806368E-13 |
-8.8754005865928E-11 |
4.92999285835749E-10 |
-5.16796720586665E-10 |
-6.152099193465421E-12 |
| peri |
1.063849280797148E-13 |
-3.600447997261464E-13 |
3.298757829241032E-10 |
-5.16796720586665E-10 |
5.959958427729748E-10 |
6.352095984749383E-12 |
| i |
1.566322450956666E-15 |
-5.211006520884042E-15 |
5.737456852256644E-13 |
-6.152099193465421E-12 |
6.352095984749383E-12 |
1.819717697465858E-13 |
|
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.47 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
28.800 |
km |
0.143 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
6.924 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Ditteon, R.; Kirkpatrick, E.; Doering, K. (2010) Minor Planet Bull. 37, 1-4.]
[Chang, C.-K.; Ip, W.-H.; Cheng, Y.-C.; Ngeow, C.-C.; et al. (2014) Astrophys. J. 788, A17.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.097 |
|
0.010 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
|
| 2217 Eltigen | Discovered 1971 Sept. 26 by T. M. Smirnova at the Crimean Astrophysical Observatory. |
| Named for the site of the heroic landing of Soviet troops in the Crimea in November 1943. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC 5850 | Last Updated: 2006-03-21 |
|
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Alternate Designations
| 1971 SK2 = 1942 LG = 1958 FJ = 1959 NP = 1970 LD = 1974 CL = 1976 NN = 1976 OB1 = 1977 TH5 |
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