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78482 (2002 RR54)
Classification: Main-belt Asteroid          SPK-ID: 2078482
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07719366417891971 6.853e-08  
a 2.916942090245078 1.9385e-08 au
q 2.691772642101343 2.0084e-07 au
i 5.739699953377483 1.0006e-05 deg
node 11.99359138181514 4.355e-05 deg
peri 34.10801033993224 6.7562e-05 deg
M 147.8168814907825 5.2362e-05 deg
tp 2458253.343339017979
(2018-May-14.84333902)
0.00026304 TDB
period 1819.659535777042
4.98
1.814e-05
4.966e-08
d
yr
n .1978392072373421 1.9722e-09 deg/d
Q 3.142111538388813 2.0882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      10104 days (27.66 yr)  
   first obs. used      1992-09-26  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60205  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:41  

Additional Information
 Earth MOID = 1.7029 au 
 Jupiter MOID = 2.17372 au 
 T_jup = 3.269 
[ 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 15.1   n/a MPO337847  
diameter diameter 4.573 km 0.970 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78482 (2002 RR54)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RR54 = 1992 SU7 = 2000 GD15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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