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101273 (1998 SO113)
Classification: Main-belt Asteroid          SPK-ID: 2101273
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131544892870338 3.1593e-08  
a 2.60311007020899 1.2267e-08 au
q 2.26068423489365 7.9075e-08 au
i 12.77859316431748 3.6243e-06 deg
node 168.2186826061127 1.7378e-05 deg
peri 158.8817878810527 2.3567e-05 deg
M 138.357315691542 1.664e-05 deg
tp 2458610.927996944844
(2019-May-07.42799694)
6.9436e-05 TDB
period 1534.041911979873
4.20
1.0844e-05
2.969e-08
d
yr
n .2346741618912973 1.6588e-09 deg/d
Q 2.945535905524329 1.3881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      8174 days (22.38 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:02  

Additional Information
 Earth MOID = 1.25287 au 
 Jupiter MOID = 2.45597 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457416.5 (2016-Jan-29.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1331421929471007 3.1657e-08  
q 2.255214613095535 7.9364e-08 au
tp 2457077.322791635409
(2015-Feb-23.82279164)
6.5675e-05 TDB
node 168.2954089788176 1.7356e-05 deg
peri 158.7133298922704 2.3405e-05 deg
i 12.78976534045684 3.6279e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      903  
   data-arc span      8174 days (22.38 yr)  
   first obs. used      1998-09-26  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:02  

Additional Information
 Jupiter MOID = 2.45597 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.002166113787656E-15 -2.492769668141532E-15 3.491396211269508E-13 9.411521420631712E-15 7.132732101280742E-14 4.759463484865675E-16
q -2.492769668141532E-15 6.298585492939176E-15 -7.879811717215925E-13 -2.409723079650006E-14 -1.530775849224545E-13 -7.342361914625172E-16
tp 3.491396211269508E-13 -7.879811717215925E-13 4.313158116985066E-9 1.368008620043157E-11 1.047854983554427E-9 4.450636827312724E-12
node 9.411521420631712E-15 -2.409723079650006E-14 1.368008620043157E-11 3.012258955377052E-10 -2.901154697455714E-10 8.964621624107792E-12
peri 7.132732101280742E-14 -1.530775849224545E-13 1.047854983554427E-9 -2.901154697455714E-10 5.47816786435429E-10 -7.65703712523182E-12
i 4.759463484865675E-16 -7.342361914625172E-16 4.450636827312724E-12 8.964621624107792E-12 -7.65703712523182E-12 1.316168481721971E-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 15.3   n/a MPO502725  

101273 (1998 SO113)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
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
1958-Dec-13 07:50 < 00:01 Juno 0.0225960789498638 0.0225928381708417 0.0225993250021675 5.46762376339742 5.46762366492508 2436550.826161915 0.683023502892463 612.54851532626 63.0516826058404 75.8613329553141 51976.5087141871 T 33 CATAB v2.0f-lin.ifort 2021-Apr-13 15:36:04 2021-Apr-13 15:36

Alternate Designations
 1998 SO113 = 2002 PU79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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