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78436 (2002 RV4)
Classification: Main-belt Asteroid          SPK-ID: 2078436
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05184477703540555 4.6293e-08  
a 3.139705626383495 2.6133e-08 au
q 2.976928288226835 1.4859e-07 au
i 11.29179289743733 4.9411e-06 deg
node 252.805408851149 2.4028e-05 deg
peri 329.0459449488154 6.311e-05 deg
M 222.1143525595454 6.2237e-05 deg
tp 2459978.802428675051
(2023-Feb-03.30242867)
0.00035555 TDB
period 2032.037993251016
5.56
2.537e-05
6.946e-08
d
yr
n .1771620418494456 2.2118e-09 deg/d
Q 3.302482964540156 2.7487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      10302 days (28.21 yr)  
   first obs. used      1992-11-28  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53311  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:36:47  

Additional Information
 Earth MOID = 1.97093 au 
 Jupiter MOID = 1.74213 au 
 T_jup = 3.179 
[ 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 14.44   n/a E2021B10  
diameter diameter 7.909 km 0.170 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78436 (2002 RV4)          Discovered 2002-Sep-03 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RV4 = 2000 JQ72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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