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JPL Small-Body Database Browser
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268250 (2005 MS20)
Classification: Main-belt Asteroid          SPK-ID: 2268250
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09727058112047725 6.3249e-08  
a 2.325644428582363 1.6657e-08 au
q 2.099427643534556 1.4393e-07 au
i 3.092100726780905 6.1137e-06 deg
node 297.6406210690752 0.0001471 deg
peri 12.79437799307993 0.00015268 deg
M 312.5605261796733 4.2659e-05 deg
tp 2458771.206776970166
(2019-Oct-14.70677697)
0.00015421 TDB
period 1295.428358712696
3.55
1.3917e-05
3.81e-08
d
yr
n .2779003544107543 2.9856e-09 deg/d
Q 2.55186121363017 1.8277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      9634 days (26.38 yr)  
   first obs. used      1991-09-09  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58741  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 08:46:02  

Additional Information
 Earth MOID = 1.0842 au 
 Jupiter MOID = 2.64214 au 
 T_jup = 3.566 
[ 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 17.3   n/a MPO437233  

268250 (2005 MS20)          Discovered 2005-Jun-30 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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