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78502 (2002 RV80)
Classification: Main-belt Asteroid          SPK-ID: 2078502
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1366804257505857 3.8125e-08  
a 2.773782333905133 1.6579e-08 au
q 2.394660583567526 1.0907e-07 au
i 8.846842146792696 4.4863e-06 deg
node 354.3695774279055 2.827e-05 deg
peri 298.3757426352376 3.3813e-05 deg
M 31.76081064900546 1.6549e-05 deg
tp 2459051.633810662101
(2020-Jul-21.13381066)
7.7715e-05 TDB
period 1687.35706257302
4.62
1.5128e-05
4.142e-08
d
yr
n .2133514049782934 1.9128e-09 deg/d
Q 3.15290408424274 1.8845e-08 au
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      10834 days (29.66 yr)  
   first obs. used      1991-02-14  
   last obs. used      2020-10-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54268  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:37:07  

Additional Information
 Earth MOID = 1.39241 au 
 Jupiter MOID = 2.11834 au 
 T_jup = 3.305 
[ 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 14.77   n/a E2020-QM9  
diameter diameter 3.272 km 0.473 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.261   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78502 (2002 RV80)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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