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146874 (2002 BB)
Classification: Main-belt Asteroid          SPK-ID: 2146874
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06551966454715345 4.3213e-08  
a 3.056328674758032 2.6851e-08 au
q 2.85607904524204 1.2908e-07 au
i 7.16914337782534 4.7645e-06 deg
node 296.4083289997496 3.7794e-05 deg
peri 272.262422629682 5.4422e-05 deg
M 72.8743675385319 3.7346e-05 deg
tp 2458605.432950624808
(2019-May-01.93295062)
0.00020364 TDB
period 1951.634608696522
5.34
2.5718e-05
7.041e-08
d
yr
n .1844607583795824 2.4308e-09 deg/d
Q 3.256578304274024 2.861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      535  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-12-17  
   last obs. used      2020-07-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59228  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:23:02  

Additional Information
 Earth MOID = 1.86267 au 
 Jupiter MOID = 1.80131 au 
 T_jup = 3.220 
[ 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 15.0   n/a MPO436737  

146874 (2002 BB)          Discovered 2002-Jan-17 by Roe, J. M. at Oaxaca
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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