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78492 (2002 RX61)
Classification: Main-belt Asteroid          SPK-ID: 2078492
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07048460663080135 4.604e-08  
a 2.340185272304004 9.4835e-09 au
q 2.175238233942462 1.0824e-07 au
i 12.96580884863447 4.8709e-06 deg
node 23.80621153494585 1.3754e-05 deg
peri 179.934377109875 2.8683e-05 deg
M 255.2318824479198 2.7599e-05 deg
tp 2459777.040101375665
(2022-Jul-16.54010138)
0.00010135 TDB
period 1307.596620958084
3.58
7.9485e-06
2.176e-08
d
yr
n .2753142629997206 1.6735e-09 deg/d
Q 2.505132310665547 1.0152e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1661  
   data-arc span      9285 days (25.42 yr)  
   first obs. used      1995-10-17  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47031  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:06:10  

Additional Information
 Earth MOID = 1.17224 au 
 Jupiter MOID = 2.44938 au 
 T_jup = 3.527 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.65   n/a MPCxxxxx  
diameter diameter 6.180 km 1.672 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.052   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

78492 (2002 RX61)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RX61 = 1995 UG50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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