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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426269969378803 8.4982e-08  
a 3.959668485106247 8.8151e-08 au
q 3.394912860205977 3.7045e-07 au
i 1.735558466533546 7.6205e-06 deg
node 246.5879795237252 0.0002326 deg
peri .8090223786948094 0.00023412 deg
M 22.2395777668785 3.4018e-05 deg
tp 2458422.708618605170
(2018-Oct-31.20861861)
0.00026838 TDB
period 2877.972683342113
7.88
9.6105e-05
2.631e-07
d
yr
n .1250880531575934 4.1771e-09 deg/d
Q 4.524424110006517 1.0072e-07 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      7132 days (19.53 yr)  
   first obs. used      1998-11-25  
   last obs. used      2018-06-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54067  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:48:08  

Additional Information
 Earth MOID = 2.38107 au 
 Jupiter MOID = .517699 au 
 T_jup = 3.040 
[ 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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