[ hide orbit diagram ]
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.
[ revert to old Java-based viewer ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1254006183616269 | 3.1902e-08 | |
| a | 3.197633572070481 | 1.5525e-08 | au |
| q | 2.796648344838945 | 1.052e-07 | au |
| i | 2.66508441671363 | 3.573e-06 | deg |
| node | 95.58615913240133 | 8.6e-05 | deg |
| peri | 3.342572466933711 | 8.7421e-05 | deg |
| M | 219.5165190052998 | 1.6225e-05 | deg |
| tp | 2459815.512422715122
(2022-Aug-24.01242272) | 9.4691e-05 | TDB |
| period | 2088.533613347129
5.72 | 1.521e-05
4.164e-08 | d
yr |
| n | .172369741956442 | 1.2553e-09 | deg/d |
| Q | 3.598618799302018 | 1.7472e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
11.3 |
|
n/a |
MPO492770 |
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. 2019-August); 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 |
|
|
