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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3072097032519353 6.9919e-08  
a 2.315066345993331 1.1973e-08 au
q 1.603855500832178 1.6357e-07 au
i 20.68585747413626 1.2866e-05 deg
node 248.0267701289956 2.238e-05 deg
peri 268.0650304057903 3.14e-05 deg
M 327.020398596116 2.2649e-05 deg
tp 2457518.365442511516
(2016-May-09.86544251)
8.1424e-05 JED
period 1286.600125468725
3.52
9.9813e-06
2.733e-08
d
yr
n .2798072166119582 2.1707e-09 deg/d
Q 3.026277191154485 1.5652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      7630 days (20.89 yr)  
   first obs. used      1995-01-29  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52846  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 17:31:46  

Additional Information
 Earth MOID = .76255 au 
 Jupiter MOID = 2.44998 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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