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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1570654643661454 7.7933e-08  
a 2.299199407553171 7.7526e-09 au
q 1.938074584935466 1.7745e-07 au
i 7.034882931590761 4.7361e-06 deg
node 143.101336622477 3.8563e-05 deg
peri 197.4619074783925 4.1009e-05 deg
M 208.3980655437888 1.6656e-05 deg
tp 2459932.747928331593
(2022-Dec-19.24792833)
5.981e-05 TDB
period 1273.395718147211
3.49
6.4406e-06
1.763e-08
d
yr
n .2827086622560656 1.4299e-09 deg/d
Q 2.660324230170876 8.9703e-09 au
  Orbit Determination Parameters
   # obs. used (total)      947  
   data-arc span      8342 days (22.84 yr)  
   first obs. used      1998-08-28  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 21:54:46  

Additional Information
 Earth MOID = .929559 au 
 Jupiter MOID = 2.71948 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 15.68   n/a MPCxxxxx  

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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