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78478 (2002 RE52)
Classification: Main-belt Asteroid          SPK-ID: 2078478
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2146421820767505 3.9063e-08  
a 3.116330641206722 1.8661e-08 au
q 2.447434632305473 1.2313e-07 au
i 16.16448124780624 6.1093e-06 deg
node 16.6065130057136 1.6731e-05 deg
peri 62.94692790106258 2.309e-05 deg
M 23.40415173285144 1.3669e-05 deg
tp 2458869.866631407920
(2020-Jan-21.36663141)
7.6087e-05 TDB
period 2009.387617631002
5.50
1.8048e-05
4.941e-08
d
yr
n .1791590616172043 1.6092e-09 deg/d
Q 3.785226650107973 2.2666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      717  
   data-arc span      10608 days (29.04 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52643  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:42  

Additional Information
 Earth MOID = 1.50888 au 
 Jupiter MOID = 1.89108 au 
 T_jup = 3.122 
[ 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 14.5   n/a MPO453205  
diameter diameter 4.291 km 0.920 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.152   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78478 (2002 RE52)          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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