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JPL Small-Body Database Browser
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382244 (2012 SM40)
Classification: Outer Main-belt Asteroid          SPK-ID: 2382244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07499057844799628 5.6284e-08  
a 3.401899936807097 6.1319e-08 au
q 3.14678949272373 1.9396e-07 au
i 3.935411127538812 9.0622e-06 deg
node 222.967067557476 0.00011547 deg
peri 47.72313520722912 0.00013884 deg
M 163.2774473895137 8.1232e-05 deg
tp 2457961.048019552153
(2017-Jul-26.54801955)
0.00050911 TDB
period 2291.821185007438
6.27
6.1965e-05
1.697e-07
d
yr
n .1570803177643336 4.247e-09 deg/d
Q 3.657010380890463 6.5917e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      5689 days (15.58 yr)  
   first obs. used      2004-04-22  
   last obs. used      2019-11-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54602  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:17:06  

Additional Information
 Earth MOID = 2.13255 au 
 Jupiter MOID = 1.41179 au 
 T_jup = 3.138 
[ 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 16.0   n/a MPO503464  

382244 (2012 SM40)          Discovered 2004-Apr-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2012 SM40 = 2004 JE53 = 2010 BQ32 = 2010 NC21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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