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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 |
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| | Orbit Determination Parameters
Additional Information
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[ 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. |
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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 |
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[ show close-approach data ]
Alternate Designations
1938 DS = 1949 DF = 1953 VE2 = 1955 DF = 1966 FK |
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