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129686 (1998 RB78)
Classification: Main-belt Asteroid          SPK-ID: 2129686
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278893951078114 7.0883e-08  
a 2.887910929357029 2.0375e-08 au
q 2.518577747476321 2.0384e-07 au
i 17.7502854726634 8.0086e-06 deg
node 14.52449423802178 1.5889e-05 deg
peri 354.9128730751572 2.635e-05 deg
M 147.0993423687994 2.3732e-05 deg
tp 2458268.042637557912
(2018-May-29.54263756)
0.00011494 TDB
period 1792.561722118757
4.91
1.897e-05
5.194e-08
d
yr
n .2008299047993116 2.1253e-09 deg/d
Q 3.257244111237737 2.298e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      7898 days (21.62 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53653  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:46:15  

Additional Information
 Earth MOID = 1.51907 au 
 Jupiter MOID = 2.20543 au 
 T_jup = 3.209 
[ 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 15.3   n/a MPO417676  
diameter diameter 6.352 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129686 (1998 RB78)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

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