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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1489939008143717 | 2.4951e-08 | |
| a | 2.563046049466845 | 8.4313e-09 | au |
| q | 2.181167820589915 | 6.6737e-08 | au |
| i | 7.260640624370003 | 8.3073e-07 | deg |
| node | 344.1585433667671 | 6.9676e-06 | deg |
| peri | 227.7387374894214 | 1.1961e-05 | deg |
| M | 36.18213626584073 | 1.2715e-05 | deg |
| tp | 2459245.865397889809
(2021-Jan-31.36539789) | 5.2635e-05 | TDB |
| period | 1498.763267078441
4.10 | 7.3954e-06
2.025e-08 | d
yr |
| n | .2401980405496277 | 1.1852e-09 | deg/d |
| Q | 2.944924278343775 | 9.6875e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.99 |
|
n/a |
E2021B10 |
|
| diameter |
diameter |
6.922 |
km |
0.310 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
| rotation period |
rot_per |
6.228 |
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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.] |
| geometric albedo |
albedo |
0.255 |
|
0.043 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M) |
|
|
| 9912 Donizetti | Discovered 1977 Oct. 16 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels. |
| The Italian composer Gaetano Donizetti (1797-1848) wrote symphonies, church and chamber music. After 1818 he composed 74 operas. He is still much esteemed today. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 19990402/MPCPages.arc | Last Updated: 2010-06-11 |
|
Alternate Designations
| 2078 T-3 = 1979 BH1 = 1989 SJ10 |
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