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100613 (1997 SM31)
Classification: Main-belt Asteroid          SPK-ID: 2100613
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2277191619709244 8.6849e-08  
a 2.532245746142567 1.2783e-08 au
q 1.955604866926544 2.2179e-07 au
i 8.337057400547241 1.9044e-05 deg
node 356.4809160009443 3.9623e-05 deg
peri 92.33527358641169 8.9107e-05 deg
M 210.3335124365509 7.4223e-05 deg
tp 2459812.398330176606
(2022-Aug-20.89833018)
0.00030281 TDB
period 1471.828479773683
4.03
1.1145e-05
3.051e-08
d
yr
n .2445937179143019 1.8521e-09 deg/d
Q 3.108886625358591 1.5694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      7883 days (21.58 yr)  
   first obs. used      1997-09-28  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:17:18  

Additional Information
 Earth MOID = .992482 au 
 Jupiter MOID = 2.17218 au 
 T_jup = 3.399 
[ 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 16.7   n/a MPO395888  

100613 (1997 SM31)          Discovered 1997-Sep-28 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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