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JPL Small-Body Database Browser
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295307 (2008 GR120)
Classification: Outer Main-belt Asteroid          SPK-ID: 2295307
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09947114882206236 5.7908e-08  
a 3.219538758400557 4.6737e-08 au
q 2.899287539425297 1.9731e-07 au
i 19.19213702052377 6.2248e-06 deg
node 171.2554568257599 1.9252e-05 deg
peri 62.56206013298888 3.8949e-05 deg
M 299.6244345085281 3.5599e-05 deg
tp 2458954.373159943494
(2020-Apr-14.87315994)
0.00021285 TDB
period 2110.031376810082
5.78
4.5946e-05
1.258e-07
d
yr
n .1706135766304306 3.7151e-09 deg/d
Q 3.539789977375816 5.1386e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      8442 days (23.11 yr)  
   first obs. used      1996-03-18  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58439  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:05:23  

Additional Information
 Earth MOID = 1.94699 au 
 Jupiter MOID = 1.56026 au 
 T_jup = 3.095 
[ 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 15.2   n/a MPO433903  
diameter diameter 6.454 km 0.781 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

295307 (2008 GR120)          Discovered 2008-Apr-12 by CSS at Catalina
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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