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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 | .2247360890270702 | 3.3776e-08 | |
| a | 2.361008829162664 | 4.2778e-09 | au |
| q | 1.830404938738265 | 7.9496e-08 | au |
| i | 4.512840695150465 | 3.7117e-06 | deg |
| node | 356.8705464561196 | 3.7602e-05 | deg |
| peri | 15.31912948783838 | 3.8181e-05 | deg |
| M | 26.68716659245482 | 6.0776e-06 | deg |
| tp | 2459102.269849480545
(2020-Sep-09.76984948) | 2.2347e-05 | TDB |
| period | 1325.088374012766
3.63 | 3.6013e-06
9.86e-09 | d
yr |
| n | .2716799928670507 | 7.3836e-10 | deg/d |
| Q | 2.891612719587063 | 5.2392e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.51 |
|
n/a |
E2021B10 |
IRAS observations used: 10 |
| diameter |
diameter |
20.176 |
km |
0.209 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| rotation period |
rot_per |
9.114 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Baker, R.E.; Benishek, V.; Pilcher, F.; Higgins, D. (2010) Minor Planet Bull. 37, 81-83.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm] |
| geometric albedo |
albedo |
0.045 |
|
0.006 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
| B-V |
BV |
0.720 |
|
0.017 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=1.10, mean=1.18, max.=1.26) deg. |
| U-B |
UB |
0.322 |
|
0.037 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=1.10, mean=1.18, max.=1.26) deg. |
| Tholen spectral type |
spec_T |
X |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
|
| 1700 Zvezdara | Discovered 1940 Aug. 27 by P. Djurkovic at Belgrade. |
| The Serbian word for Observatory, this is the name of the section of the city of Belgrade in which the Observatory, founded in 1934, is located. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC 5449 | Last Updated: 2006-03-21 |
|
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Alternate Designations
| 1940 QC = 1929 PM = 1951 SB = 1951 SO = 1955 XP = 1962 WJ |
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