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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 116 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5692991692381544 8.3698e-08  
a 1.486070057217657 5.8821e-09 AU
q .6400516082139481 1.2433e-07 AU
i 36.42590350698376 1.1376e-05 deg
node 110.3966035127285 9.7337e-06 deg
peri 135.8289042624935 1.1696e-05 deg
M 90.72093383590561 1.0969e-05 deg
tp 2456633.751335770776
(2013-Dec-07.25133577)
1.9663e-05 JED
period 661.6942373091199
1.81
3.9287e-06
1.076e-08
d
yr
n .5440579344683349 3.2302e-09 deg/d
Q 2.332088506221365 9.2308e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      726  
   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      .60597  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Oct-22 17:30:10  

Additional Information
 Earth MOID = .275113 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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