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JPL Small-Body Database Browser
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52857 (1998 RT78)
Classification: Main-belt Asteroid          SPK-ID: 2052857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1567725394294507 8.0627e-08  
a 2.298953737608774 8.0901e-09 au
q 1.938540922133019 1.84e-07 au
i 7.034064797075118 5.2995e-06 deg
node 143.1079194003279 4.9458e-05 deg
peri 197.318932774264 5.2337e-05 deg
M 343.5258056106396 1.8523e-05 deg
tp 2458658.763351118074
(2019-Jun-24.26335112)
6.5541e-05 TDB
period 1273.191629695287
3.49
6.7206e-06
1.84e-08
d
yr
n .2827539795295062 1.4925e-09 deg/d
Q 2.659366553084528 9.3583e-09 au
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      7767 days (21.26 yr)  
   first obs. used      1998-08-28  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55063  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:06:24  

Additional Information
 Earth MOID = .929852 au 
 Jupiter MOID = 2.71698 au 
 T_jup = 3.566 
[ 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 15.6   n/a MPO299314  

52857 (1998 RT78)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 RT78 = 2000 DU24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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