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5131 (1990 BG)
Classification: Apollo [NEO]          SPK-ID: 2005131
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 117 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5692316077639173 7.1931e-08  
a 1.4860985054799 5.4192e-09 AU
q .6401642639100218 1.0696e-07 AU
i 36.42553084065619 9.8171e-06 deg
node 110.3974290874657 8.7294e-06 deg
peri 135.8242357168639 1.0557e-05 deg
M 199.5468518894926 9.0663e-06 deg
tp 2457295.427700465966
(2015-Sep-29.92770047)
1.77e-05 JED
period 661.7132379018424
1.81
3.6195e-06
9.91e-09
d
yr
n .5440423122582322 2.9759e-09 deg/d
Q 2.332032747049778 8.504e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      12510 days (34.25 yr)  
   first obs. used      1978-12-06  
   last obs. used      2013-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62626  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:09:06  

Additional Information
 Earth MOID = .273218 AU 
 T_jup = 4.208 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6 mag n/a MPO256901  
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)

5131 (1990 BG)          Discovered 1990-Jan-21 by Helin and Roman at Palomar (675)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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