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172079 (2002 BX30)
Classification: Outer Main-belt Asteroid          SPK-ID: 2172079
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1833608241343335 7.9915e-08  
a 3.40556390812943 4.0041e-08 au
q 2.781116903292676 2.8964e-07 au
i 15.61842865331381 9.0966e-06 deg
node 32.33431279234085 1.7593e-05 deg
peri 21.80909451002427 2.9842e-05 deg
M 11.03744463935337 2.0884e-05 deg
tp 2458930.120201959371
(2020-Mar-21.62020196)
0.00013275 TDB
period 2295.524745310155
6.28
4.0484e-05
1.108e-07
d
yr
n .156826887070372 2.7658e-09 deg/d
Q 4.030010912966184 4.7383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      430  
   data-arc span      7065 days (19.34 yr)  
   first obs. used      2000-09-24  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55746  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:43:20  

Additional Information
 Earth MOID = 1.79777 au 
 Jupiter MOID = 1.44834 au 
 T_jup = 3.060 
[ 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 14.7   n/a MPO379571  
diameter diameter 8.283 km 0.532 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172079 (2002 BX30)          Discovered 2002-Jan-18 by LONEOS at Anderson Mesa
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 BX30 = 2000 SH372 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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