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101254 (1998 SK93)
Classification: Main-belt Asteroid          SPK-ID: 2101254
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042845661123997 3.5011e-08  
a 2.275401880946361 9.253e-09 au
q 2.038112583060531 7.8893e-08 au
i 6.335342154211637 4.6456e-06 deg
node 5.880082067901486 3.4684e-05 deg
peri 79.07549523194535 4.1414e-05 deg
M 102.4885751672243 2.2871e-05 deg
tp 2458843.590136101182
(2019-Dec-26.09013610)
7.8986e-05 TDB
period 1253.67682001559
3.43
7.6472e-06
2.094e-08
d
yr
n .2871553451833969 1.7516e-09 deg/d
Q 2.51269117883219 1.0218e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      7908 days (21.65 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53421  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:57  

Additional Information
 Earth MOID = 1.06486 au 
 Jupiter MOID = 2.65825 au 
 T_jup = 3.594 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456981.5 (2014-Nov-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1034959176239736 3.4921e-08  
q 2.040306623550134 7.862e-08 au
tp 2457588.955292452134
(2016-Jul-19.45529245)
7.8007e-05 TDB
node 5.927000041531867 3.4651e-05 deg
peri 78.9279153934325 4.1519e-05 deg
i 6.338612940955381 4.6467e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      7908 days (21.65 yr)  
   first obs. used      1998-09-25  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53421  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:57  

Additional Information
 Jupiter MOID = 2.65825 au 
 T_jup = 3.594 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.219454726556462E-15 -2.730538287617198E-15 -1.723729893820578E-13 1.933736140737895E-15 -5.550179461347978E-14 -5.427542517747328E-16
q -2.730538287617198E-15 6.181114924380404E-15 5.228538959616225E-13 -4.330625909719875E-15 1.539194734701167E-13 1.422865583223235E-15
tp -1.723729893820578E-13 5.228538959616225E-13 6.085164388511717E-9 -1.098611206080854E-11 1.79239286799769E-9 1.951915417150554E-12
node 1.933736140737895E-15 -4.330625909719875E-15 -1.098611206080854E-11 1.200690526135269E-9 -1.196051098158267E-9 9.166907215713293E-12
peri -5.550179461347978E-14 1.539194734701167E-13 1.79239286799769E-9 -1.196051098158267E-9 1.723806265740702E-9 -8.495272974446728E-12
i -5.427542517747328E-16 1.422865583223235E-15 1.951915417150554E-12 9.166907215713293E-12 -8.495272974446728E-12 2.159182580418645E-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 16.14   n/a E2021B55  

101254 (1998 SK93)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SK93 = 2000 ED186 = 2003 AA75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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