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100922 (1998 KR61)
Classification: Mars-crossing Asteroid          SPK-ID: 2100922
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2796915056949869 3.9552e-08  
a 2.29822687127775 8.0699e-09 au
q 1.655432337221398 8.9534e-08 au
i 11.8693634776259 4.4818e-06 deg
node 128.0461375140757 2.0212e-05 deg
peri 122.0189533910052 2.165e-05 deg
M 171.2881953968322 9.2708e-06 deg
tp 2458595.002007946385
(2019-Apr-21.50200795)		 3.1097e-05 TDB
period 1272.58785483902
3.48		 6.7028e-06
1.835e-08		 d
yr
n .282888131166032 1.49e-09 deg/d
Q 2.941021405334103 1.0327e-08 au
   Orbit Determination Parameters
   # obs. used (total)      849  
   data-arc span      8290 days (22.70 yr)  
   first obs. used      1998-05-06  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48369  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:31  

Additional Information
 Earth MOID = .673984 au 
 Jupiter MOID = 2.20694 au 
 T_jup = 3.513 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.4   n/a MPO493566  

100922 (1998 KR61)          Discovered 1998-May-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 KR61 = 2001 BZ30 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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