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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.
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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .07101324258673236 | 3.7139e-08 | |
a | 2.344948751596495 | 5.5514e-09 | au |
q | 2.178426337045918 | 8.6205e-08 | au |
i | 6.069625322865638 | 3.6148e-06 | deg |
node | 134.8951881246982 | 3.7324e-05 | deg |
peri | 84.55435714864504 | 4.5087e-05 | deg |
M | 100.8879829923896 | 2.5382e-05 | deg |
tp | 2458232.933943286643 (2018-Apr-24.43394329) | 9.2388e-05 | TDB |
period | 1311.591098285612 3.59 | 4.6576e-06 1.275e-08 | d yr |
n | .2744757878202727 | 9.7469e-10 | deg/d |
Q | 2.511471166147072 | 5.9456e-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 |
10.03 |
|
n/a |
IRAS-A-FPA-3-RDR-IMPS-V6.0 |
IRAS observations used: 17 |
diameter |
diameter |
62.171 |
km |
1.181 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
rotation period |
rot_per |
11.871 |
h |
n/a |
LCDB (Rev. 2019-January); Warner et al., 2009 |
Published Reference List: [Koff, R.A.; Brincat, S.F. (2000) Minor Planet Bull. 27, 49-51.] [Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
geometric albedo |
albedo |
0.044 |
|
0.004 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
B-V |
BV |
0.692 |
|
0.020 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=14.65, mean=16.22, max.=17.79) deg. |
U-B |
UB |
0.331 |
|
0.028 |
EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 |
#obs=2; phase (min.=14.65, mean=16.22, max.=17.79) deg. |
Tholen spectral type |
spec_T |
C |
|
n/a |
EAR-A-5-DDR-TAXONOMY-V4.0 |
used 7 color indices |
SMASSII spectral type |
spec_B |
Ch |
|
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) |
|
442 Eichsfeldia (A899 CA) Discovered 1899-Feb-15 by Wolf, M. and Schwassmann, A. at Heidelberg |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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