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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.
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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1600355829190626 | 3.1732e-08 | |
| a | 3.162434106494025 | 1.222e-08 | au |
| q | 2.656332120818129 | 1.0005e-07 | au |
| i | .6168651035547518 | 3.8451e-06 | deg |
| node | 6.315244682371693 | 0.00031416 | deg |
| peri | 294.4107358242562 | 0.00031437 | deg |
| M | 73.51370388204353 | 1.1311e-05 | deg |
| tp | 2458581.034295736868
(2019-Apr-07.53429574) | 6.4119e-05 | TDB |
| period | 2054.142908878963
5.62 | 1.1906e-05
3.26e-08 | d
yr |
| n | .1752555766416797 | 1.0158e-09 | deg/d |
| Q | 3.668536092169921 | 1.4176e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.1 |
|
n/a |
MPO332831 |
|
| diameter |
diameter |
29.661 |
km |
0.290 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| 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 |
|
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Alternate Designations
| 1935 SR1 = 1929 RK1 = 1933 GF = 1951 NG = 1952 UO1 = 1956 GG = 1958 VA = 1963 RD = 1967 GK |
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