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JPL Small-Body Database Browser
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52856 (1998 RD77)
Classification: Main-belt Asteroid          SPK-ID: 2052856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1393375307208015 3.3923e-08  
a 2.23675852816681 7.3353e-09 au
q 1.925094118033353 7.8369e-08 au
i 5.31782138825053 3.3222e-06 deg
node 134.4288092889672 4.4643e-05 deg
peri 345.4520951971681 4.7384e-05 deg
M 315.7486032326258 1.6282e-05 deg
tp 2458750.693646803820
(2019-Sep-24.19364680)
5.558e-05 TDB
period 1221.875845718839
3.35
6.0106e-06
1.646e-08
d
yr
n .2946289520832693 1.4493e-09 deg/d
Q 2.548422938300268 8.3574e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      7744 days (21.20 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 04:15:52  

Additional Information
 Earth MOID = .941829 au 
 Jupiter MOID = 2.52018 au 
 T_jup = 3.619 
[ 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 14.8   n/a MPO452888  
diameter diameter 2.709 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52856 (1998 RD77)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 RD77 = 2000 CE95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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