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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 32 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .05342386699424385 | 4.1302e-08 | |
a | 1.817419076007581 | 4.0841e-09 | au |
q | 1.72032552101815 | 7.62e-08 | au |
i | 21.13330265159905 | 5.659e-06 | deg |
node | 29.78092539556334 | 9.0634e-06 | deg |
peri | 218.3498923245649 | 4.8557e-05 | deg |
M | 118.702891192845 | 4.8023e-05 | deg |
tp | 2458705.419951356491 (2019-Aug-09.91995136) | 0.00011942 | TDB |
period | 894.9134805746514 2.45 | 3.0166e-06 8.259e-09 | d yr |
n | .4022735245521533 | 1.356e-09 | deg/d |
Q | 1.914512630997012 | 4.3023e-09 | au |
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| | Orbit Determination Parameters
Additional Information
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[ hide covariance matrix ]
Orbital Elements at Epoch 2457055.5 (2015-Feb-02.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .05336650191832987 | 4.1175e-08 | |
q | 1.720627959939212 | 7.5971e-08 | au |
tp | 2456916.046120351357 (2014-Sep-15.54612035) | 0.00012035 | TDB |
node | 29.80431611718919 | 9.0636e-06 | deg |
peri | 218.6315773125043 | 4.874e-05 | deg |
i | 21.13307379771806 | 5.6588e-06 | deg |
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| | Orbit Determination Parameters
Additional Information
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Orbit Covariance (6×6)
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|
e |
q |
tp |
node |
peri |
i |
e |
1.695406484044234E-15 |
-3.124357546600448E-15 |
-2.326922364279973E-12 |
5.213246160099762E-15 |
-8.983164879501571E-13 |
2.763778191910873E-16 |
q |
-3.124357546600448E-15 |
5.771580957562916E-15 |
4.183311667585497E-12 |
-9.632743278623044E-15 |
1.613172935812009E-12 |
-4.878523809261742E-16 |
tp |
-2.326922364279973E-12 |
4.183311667585497E-12 |
1.448439008504052E-8 |
-2.315680835020833E-11 |
5.767725350103852E-9 |
1.170650313568449E-12 |
node |
5.213246160099762E-15 |
-9.632743278623044E-15 |
-2.315680835020833E-11 |
8.214879241596714E-11 |
-8.480561108794898E-11 |
-9.116216581751307E-12 |
peri |
-8.983164879501571E-13 |
1.613172935812009E-12 |
5.767725350103852E-9 |
-8.480561108794898E-11 |
2.375545627755906E-9 |
9.068635822281646E-12 |
i |
2.763778191910873E-16 |
-4.878523809261742E-16 |
1.170650313568449E-12 |
-9.116216581751307E-12 |
9.068635822281646E-12 |
3.202199071924503E-11 |
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Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
13.7 |
|
n/a |
MPO473811 |
|
diameter |
diameter |
5.038 |
km |
0.083 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
|
rotation period |
rot_per |
2.5041 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List: [Warner, B.D.; Pravec, P.; Kusnirak, P.; Cooney Jr.; et al. (2005) CBET 279.] [Warner, B.D. (2009) Minor Planet Bull. 36, 108.] [Warner, B.D.; Pravec, P.; Kusnirak, P.; Harris, A.W.; et al. (2011) Minor Planet Bull. 38, 107-109.] [Pravec, P.; Scheirich, P.; Vokrouhlicky, D.; Harris, A.W.; et al. (2012) Icarus 218, 125-143. See also supplemental on-line material.] [Warner, B.D. (2014) Minor Planet Bull. 41, 144-155.] |
geometric albedo |
albedo |
0.408 |
|
0.060 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M) |
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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) |
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3309 Brorfelde (1982 BH) Discovered 1982-Jan-28 by Jensen, K. and Augustesen, K. at Brorfelde |
Reference: DISCOVERY.DB | Last Updated: 2003-08-29 |
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