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146961 (2002 GH129)
Classification: Outer Main-belt Asteroid          SPK-ID: 2146961
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1413751490964737 7.0351e-08  
a 3.950620627426671 6.8234e-08 au
q 3.392101047200621 2.8673e-07 au
i 1.735386991592234 7.1506e-06 deg
node 246.5663866869351 0.00022586 deg
peri .1543975488293058 0.00022707 deg
M 73.04338104843589 2.7354e-05 deg
tp 2458418.564589918860
(2018-Oct-27.06458992)
0.00021227 TDB
period 2868.114052528467
7.85
7.4306e-05
2.034e-07
d
yr
n .1255180210433514 3.2519e-09 deg/d
Q 4.509140207652721 7.7881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1998-11-25  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:40:50  

Additional Information
 Earth MOID = 2.37855 au 
 Jupiter MOID = .531255 au 
 T_jup = 3.041 
[ 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 14.4   n/a MPO439882  
diameter diameter 9.029 km 0.262 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
geometric albedo albedo 0.041   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

146961 (2002 GH129)          Discovered 2002-Apr-12 by LINEAR at Socorro
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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