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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 48 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1599557523030692 | 2.8869e-08 | |
| a | 3.16327899869648 | 1.1566e-08 | au |
| q | 2.657294326715485 | 8.9395e-08 | au |
| i | .616851313222966 | 3.3292e-06 | deg |
| node | 6.313219299748529 | 0.00029603 | deg |
| peri | 294.5073959823138 | 0.00029621 | deg |
| M | 108.4659922353108 | 1.1079e-05 | deg |
| tp | 2458581.350157704571
(2019-Apr-07.85015770) | 6.2301e-05 | TDB |
| period | 2054.966156975717
5.63 | 1.127e-05
3.086e-08 | d
yr |
| n | .1751853668139285 | 9.6079e-10 | deg/d |
| Q | 3.669263670677475 | 1.3416e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.20 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
29.661 |
km |
0.290 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
11.292 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Polakis, T. (2020) Minor Planet Bull. 47, 13-17.] |
| geometric albedo |
albedo |
0.088 |
|
0.005 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 1686 De Sitter (1935 SR1) Discovered 1935-Sep-28 by Van Gent, H. at Johannesburg (LS) |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| 1935 SR1 = 1929 RK1 = 1933 GF = 1951 NG = 1952 UO1 = 1956 GG = 1958 VA = 1963 RD = 1967 GK |
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