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109924 (2001 SO31)
Classification: Main-belt Asteroid          SPK-ID: 2109924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1051877448355024 8.2856e-08  
a 2.643141555662385 2.1473e-08 au
q 2.365115456141257 2.2709e-07 au
i 13.40587819199382 5.4171e-06 deg
node 17.59180506604247 2.0526e-05 deg
peri 168.3237889492311 3.2289e-05 deg
M 310.8841341196438 3.0474e-05 deg
tp 2459214.640279415627
(2020-Dec-31.14027942)
0.00013432 TDB
period 1569.564115542916
4.30
1.9127e-05
5.237e-08
d
yr
n .2293630419012702 2.7951e-09 deg/d
Q 2.921167655183512 2.3732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      7680 days (21.03 yr)  
   first obs. used      1999-02-10  
   last obs. used      2020-02-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:08:57  

Additional Information
 Earth MOID = 1.36702 au 
 Jupiter MOID = 2.03487 au 
 T_jup = 3.348 
[ 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 MPO366469  

109924 (2001 SO31)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1938-Jan-11 12:38 < 00:01 Inter 0.0118908138165561 0.0118685959314267 0.0119130329525701 8.23149957601197 8.23149942644759 2428910.026559516 0.852332560307009 1124.33827688743 60.5173860045155 9.87672151407446 5273.75175952678 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:08:59 2020-Nov-12 19:08

Alternate Designations
 2001 SO31 = 1999 CZ58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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