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129493 (1995 BM2)
Classification: Mars-crossing Asteroid          SPK-ID: 2129493
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3072949579472914 6.7223e-08  
a 2.31532369676711 1.0317e-08 au
q 1.603836398734694 1.5827e-07 au
i 20.68589481394686 1.1649e-05 deg
node 248.0195776785461 1.9863e-05 deg
peri 268.0593801501207 2.9936e-05 deg
M 22.98460244027159 1.9671e-05 deg
tp 2457518.341879144981
(2016-May-09.84187914)
7.0107e-05 JED
period 1286.814665803606
3.52
8.6013e-06
2.355e-08
d
yr
n .2797605665888047 1.87e-09 deg/d
Q 3.026810994799527 1.3488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      369  
   data-arc span      7706 days (21.10 yr)  
   first obs. used      1995-01-29  
   last obs. used      2016-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51089  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 21:00:13  

Additional Information
 Earth MOID = .761729 au 
 Jupiter MOID = 2.4496 au 
 T_jup = 3.435 
[ 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 15.5 mag n/a MPO359645  
SMASSII spectral type spec_B Sq   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)

129493 (1995 BM2)          Discovered 1995-Jan-29 by McNaught, R. H. at Siding Spring
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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