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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 38 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1262117068053392 | 2.1236e-08 | |
| a | 3.193512279482768 | 1.3784e-08 | au |
| q | 2.790453643985439 | 7.4441e-08 | au |
| i | 2.664481484160185 | 2.4951e-07 | deg |
| node | 95.57187191278133 | 1.7265e-05 | deg |
| peri | 3.863718063650864 | 1.6109e-05 | deg |
| M | 253.5030758167924 | 7.0381e-06 | deg |
| tp | 2459817.145940078223
(2022-Aug-25.64594008) | 4.2457e-05 | TDB |
| period | 2084.497182719238
5.71 | 1.3496e-05
3.695e-08 | d
yr |
| n | .1727035195751035 | 1.1182e-09 | deg/d |
| Q | 3.596570914980098 | 1.5524e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.35 |
|
n/a |
E2021B10 |
IRAS observations used: 3 |
| diameter |
diameter |
32.386 |
km |
0.393 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
8.02 |
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.
Published Reference List:
[Tedesco, E.F. (1979) PhD Dissertation, New. Mex. State Univ. 280pp.]
[Mas, V.; Fornas, G.; Lozano, J.; Rodrigo, O.; et al. (2018) Minor Planet Bull. 45, 76-82.] |
| geometric albedo |
albedo |
0.063 |
|
0.008 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.790 |
|
0.040 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=2.09 deg. |
| U-B |
UB |
0.530 |
|
0.040 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=2.09 deg. |
|
| 1674 Groeneveld (1938 DS) Discovered 1938-Feb-07 by Reinmuth, K. at Heidelberg |
| Provisional designation is associated with an independent discovery Feb. 22 by Y. Vaisala, Turku, which was announced first. A third independent discovery earlier on Feb. 22 was made by G. Kulin, Budapest. |
| Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
|
[ show close-approach data ]
Alternate Designations
| 1938 DS = 1949 DF = 1953 VE2 = 1955 DF = 1966 FK |
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