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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1050315959912528 7.1198e-08  
a 2.642739699719802 1.9046e-08 au
q 2.365168531268787 1.9218e-07 au
i 13.40691778889359 5.4036e-06 deg
node 17.58688517736759 2.0063e-05 deg
peri 168.3322499948477 3.0079e-05 deg
M 356.7503613229823 2.5882e-05 deg
tp 2459214.664869715369
(2020-Dec-31.16486972)
0.00011288 TDB
period 1569.206180858414
4.30
1.6964e-05
4.644e-08
d
yr
n .229415359429101 2.4801e-09 deg/d
Q 2.920310868170818 2.1047e-08 au
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:18:00  

Additional Information
 Earth MOID = 1.36646 au 
 Jupiter MOID = 2.03465 au 
 T_jup = 3.348 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457114.5 (2015-Apr-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1058657394342529 7.1126e-08  
q 2.36235291584978 1.9194e-07 au
tp 2457647.478289637957
(2016-Sep-15.97828964)
0.00010726 TDB
node 17.61543711605081 2.0067e-05 deg
peri 168.8547617173524 3.0113e-05 deg
i 13.40788778432812 5.4043e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      670  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58522  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:18:00  

Additional Information
 Jupiter MOID = 2.03465 au 
 T_jup = 3.348 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.058964356537937E-15 -1.360096471575896E-14 -3.766552141351615E-12 1.479066243413115E-14 -5.984701074103034E-13 -2.04750154444126E-14
q -1.360096471575896E-14 3.684086237279505E-14 1.046396767787704E-11 -4.01303287112606E-14 1.659043910757076E-12 5.659173977818437E-14
tp -3.766552141351615E-12 1.046396767787704E-11 1.1505600813277E-8 -2.106212433926943E-11 2.40547793405374E-9 3.778552950596146E-11
node 1.479066243413115E-14 -4.01303287112606E-14 -2.106212433926943E-11 4.026810583856047E-10 -3.953007209946113E-10 -3.276432006406572E-11
peri -5.984701074103034E-13 1.659043910757076E-12 2.40547793405374E-9 -3.953007209946113E-10 9.068021103905362E-10 3.920997597452499E-11
i -2.04750154444126E-14 5.659173977818437E-14 3.778552950596146E-11 -3.276432006406572E-11 3.920997597452499E-11 2.920675607912248E-11

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 15.12   n/a E2021B55  

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

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