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52398 (1993 RT7)
Classification: Main-belt Asteroid          SPK-ID: 2052398
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339362058484238 4.2744e-08  
a 2.57422884279393 9.6496e-09 au
q 2.229446398604532 1.1064e-07 au
i 2.94309394424849 3.8082e-06 deg
node 332.4654184903898 8.4662e-05 deg
peri 94.64245152146691 8.6036e-05 deg
M 163.8450339587129 1.5299e-05 deg
tp 2458513.906105977839
(2019-Jan-30.40610598)
6.3111e-05 TDB
period 1508.582810695764
4.13
8.4825e-06
2.322e-08
d
yr
n .2386345631460342 1.3418e-09 deg/d
Q 2.919011286983328 1.0942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1365  
   data-arc span      10659 days (29.18 yr)  
   first obs. used      1991-03-18  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52504  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:11  

Additional Information
 Earth MOID = 1.24507 au 
 Jupiter MOID = 2.3586 au 
 T_jup = 3.414 
[ 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 14.92   n/a E2021B10  

52398 (1993 RT7)          Discovered 1993-Sep-15 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 RT7 = 1997 RJ13 = 1999 AO31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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