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78530 (2002 RW100)
Classification: Main-belt Asteroid          SPK-ID: 2078530
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07513558612400287 4.9602e-08  
a 3.062365746256059 2.3548e-08 au
q 2.83227310098504 1.4702e-07 au
i 15.67679750346114 5.5273e-06 deg
node 200.1929835372347 1.7782e-05 deg
peri 216.3140093859966 4.0478e-05 deg
M 79.02023927678381 3.4925e-05 deg
tp 2458570.845015905443
(2019-Mar-28.34501591)
0.00019039 TDB
period 1957.419968474892
5.36
2.2578e-05
6.182e-08
d
yr
n .1839155652838727 2.1214e-09 deg/d
Q 3.292458391527077 2.5318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      8659 days (23.71 yr)  
   first obs. used      1996-09-06  
   last obs. used      2020-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:31  

Additional Information
 Earth MOID = 1.8549 au 
 Jupiter MOID = 2.07676 au 
 T_jup = 3.172 
[ 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 14.3   n/a MPO280264  
diameter diameter 4.255 km 1.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.269   0.210 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78530 (2002 RW100)          Discovered 2002-Sep-05 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 RW100 = 1996 RX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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