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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0665010917329474 4.3165e-08  
a 3.053957963065876 2.7243e-08 au
q 2.850866424415467 1.2937e-07 au
i 7.168440904061504 4.6992e-06 deg
node 296.4047296131759 3.7754e-05 deg
peri 271.6036605130598 5.3811e-05 deg
M 110.3478881886068 3.6351e-05 deg
tp 2458602.977127179116
(2019-Apr-29.47712718)
0.0001986 TDB
period 1949.364303627226
5.34
2.6084e-05
7.141e-08
d
yr
n .1846755885137221 2.4711e-09 deg/d
Q 3.257049501716284 2.9055e-08 au
  Orbit Determination Parameters
   # obs. used (total)      539  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-12-17  
   last obs. used      2020-07-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59053  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:03:02  

Additional Information
 Earth MOID = 1.85676 au 
 Jupiter MOID = 1.7994 au 
 T_jup = 3.221 
[ 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 15.08   n/a E2021B55  

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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