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52885 (1998 SB56)
Classification: Main-belt Asteroid          SPK-ID: 2052885
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2417692950965049 3.6515e-08  
a 2.271008574250984 6.7555e-09 au
q 1.721948432096205 8.4225e-08 au
i 7.00079357933244 4.0548e-06 deg
node 175.6046803009703 2.674e-05 deg
peri 140.6931624334555 2.7732e-05 deg
M 147.3763213890325 6.5818e-06 deg
tp 2458488.757131688697
(2019-Jan-05.25713169)
2.2215e-05 TDB
period 1250.047706820961
3.42
5.5777e-06
1.527e-08
d
yr
n .287989008767936 1.285e-09 deg/d
Q 2.820068716405763 8.3888e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1031  
   data-arc span      7900 days (21.63 yr)  
   first obs. used      1998-06-30  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51253  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:15:47  

Additional Information
 Earth MOID = .715792 au 
 Jupiter MOID = 2.51727 au 
 T_jup = 3.564 
[ 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 15.2   n/a MPO432086  

52885 (1998 SB56)          Discovered 1998-Sep-16 by LONEOS at Anderson Mesa
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SB56 = 2000 CG14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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