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134937 (2001 BH21)
Classification: Main-belt Asteroid          SPK-ID: 2134937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1208012462029033 4.3632e-08  
a 2.293897145229105 1.0242e-08 au
q 2.016791511424147 1.0243e-07 au
i 6.121118701156942 5.0312e-06 deg
node 323.0276578499544 3.7346e-05 deg
peri 59.42027049156285 4.2278e-05 deg
M 295.2795700102112 2.1643e-05 deg
tp 2459228.638315984814
(2021-Jan-14.13831598)
7.7123e-05 TDB
period 1268.993326643395
3.47
8.499e-06
2.327e-08
d
yr
n .2836894351148664 1.9e-09 deg/d
Q 2.571002779034064 1.1479e-08 au
  Orbit Determination Parameters
   # obs. used (total)      640  
   data-arc span      7161 days (19.61 yr)  
   first obs. used      2000-12-22  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:58:33  

Additional Information
 Earth MOID = 1.02699 au 
 Jupiter MOID = 2.89004 au 
 T_jup = 3.579 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436660  

134937 (2001 BH21)          Discovered 2001-Jan-19 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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