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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .2438464242164142 | 2.9739e-08 | |
a | 2.409023079864764 | 5.7932e-09 | au |
q | 1.821591415984928 | 7.1476e-08 | au |
i | 5.227866660491036 | 3.6502e-06 | deg |
node | 3.176685138245823 | 3.4729e-05 | deg |
peri | 27.51955307006621 | 3.5501e-05 | deg |
M | 214.2971372128949 | 9.4812e-06 | deg |
tp | 2459553.245801199781 (2021-Dec-04.74580120) | 3.7215e-05 | TDB |
period | 1365.714335501251 3.74 | 4.9264e-06 1.349e-08 | d yr |
n | .2635983167503848 | 9.5085e-10 | deg/d |
Q | 2.996454743744601 | 7.2059e-09 | 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 |
11.7 |
|
n/a |
MPO473769 |
|
diameter |
diameter |
11.696 |
km |
0.088 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
126.3 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Stephens, R.D. (2011) Minor Planet Bull. 38, 115.] |
geometric albedo |
albedo |
0.298 |
|
0.049 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
B-V |
BV |
0.867 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=6.77 deg. |
U-B |
UB |
0.437 |
|
0.034 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=1; phase=6.77 deg. |
Tholen spectral type |
spec_T |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
SMASSII spectral type |
spec_B |
S |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) |
|
571 Dulcinea (A905 RA) Discovered 1905-Sep-04 by Gotz, P. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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