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146532 (2001 SM191)
Classification: Main-belt Asteroid          SPK-ID: 2146532
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04220626039386888 5.9293e-08  
a 2.62873864428291 2.1993e-08 au
q 2.51778941655488 1.5941e-07 au
i 5.561652421852294 5.8903e-06 deg
node 12.7838054122873 4.7881e-05 deg
peri 329.2543289144356 7.0845e-05 deg
M 149.0576032767572 5.1677e-05 deg
tp 2458355.928388247966
(2018-Aug-25.42838825)
0.00022345 TDB
period 1556.752390549912
4.26
1.9536e-05
5.349e-08
d
yr
n .2312506485844114 2.902e-09 deg/d
Q 2.73968787201094 2.2921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      6718 days (18.39 yr)  
   first obs. used      2001-08-12  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58219  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 19:24:58  

Additional Information
 Earth MOID = 1.5118 au 
 Jupiter MOID = 2.4189 au 
 T_jup = 3.393 
[ 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 16.3   n/a MPO453930  

146532 (2001 SM191)          Discovered 2001-Sep-19 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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