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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3069276775042015 9.017e-08  
a 2.315657605548348 2.0404e-08 AU
q 1.604918194782453 2.0331e-07 AU
i 20.68340494526682 1.4006e-05 deg
node 248.0415917278384 2.7439e-05 deg
peri 268.0070205884925 3.7243e-05 deg
M 159.2060677169867 3.2339e-05 deg
tp 2456231.297159134685
(2012-Oct-30.79715913)
0.00011 JED
period 1287.093046452085
3.52
1.7012e-05
4.658e-08
d
yr
n .279700058198863 3.6968e-09 deg/d
Q 3.026397016314243 2.6667e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      6728 days (18.42 yr)  
   first obs. used      1995-01-29  
   last obs. used      2013-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54843  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-11 04:03:09  

Additional Information
 Earth MOID = .763514 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 15.3 mag n/a MPO266434  
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 (413)
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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