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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 131 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5692316141448248 7.072e-08  
a 1.486098504929482 5.3362e-09 AU
q .640164254190262 1.0509e-07 AU
i 36.4255314314182 9.2651e-06 deg
node 110.3974290626329 8.4606e-06 deg
peri 135.8242375166932 9.9388e-06 deg
M 199.5468520180829 9.0568e-06 deg
tp 2457295.427700065753
(2015-Sep-29.92770007)
1.767e-05 JED
period 661.7132375342163
1.81
3.5641e-06
9.758e-09
d
yr
n .5440423125604842 2.9303e-09 deg/d
Q 2.332032755668702 8.3738e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      13200 days (36.14 yr)  
   first obs. used      1978-12-06  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60277  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-27 05:16:00  

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 14.7 mag n/a MPO319149  
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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