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101198 (1998 SK30)
Classification: Main-belt Asteroid          SPK-ID: 2101198
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089186252880326 4.1535e-08  
a 2.578455326594652 1.5635e-08 au
q 2.297613517055357 1.0818e-07 au
i 1.525133153852521 4.1297e-06 deg
node 19.1938613926237 0.00019914 deg
peri 240.3256761749263 0.00020059 deg
M 231.3893632100336 2.6144e-05 deg
tp 2459740.771715414258
(2022-Jun-10.27171541)
0.00011217 TDB
period 1512.299623138999
4.14
1.3755e-05
3.766e-08
d
yr
n .2380480656688702 2.1652e-09 deg/d
Q 2.859297136133946 1.7338e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      9643 days (26.40 yr)  
   first obs. used      1994-10-10  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:39  

Additional Information
 Earth MOID = 1.28111 au 
 Jupiter MOID = 2.1872 au 
 T_jup = 3.417 
[ 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 16.8   n/a MPO453465  

101198 (1998 SK30)          Discovered 1998-Sep-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SK30 = 2001 HP25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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