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78500 (2002 RO75)
Classification: Main-belt Asteroid          SPK-ID: 2078500
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07609083998657275 4.8721e-08  
a 3.106871213566534 2.6707e-08 au
q 2.870466773196154 1.6036e-07 au
i 10.09048082978565 6.8586e-06 deg
node 334.6894541584757 2.8185e-05 deg
peri 128.5110399737645 5.6052e-05 deg
M 334.7178871242154 4.7272e-05 deg
tp 2459140.973424165010
(2020-Oct-18.47342417)
0.00026277 TDB
period 2000.245507480526
5.48
2.5792e-05
7.061e-08
d
yr
n .1799779070387463 2.3207e-09 deg/d
Q 3.343275653936914 2.8739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      10642 days (29.14 yr)  
   first obs. used      1991-09-09  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:37  

Additional Information
 Earth MOID = 1.89994 au 
 Jupiter MOID = 1.75544 au 
 T_jup = 3.192 
[ 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 14.6   n/a MPO324993  
diameter diameter 3.962 km 1.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78500 (2002 RO75)          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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