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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .279883592847617 4.0899e-08  
a 2.297853839625851 8.1751e-09 au
q 1.654722251152676 9.2904e-08 au
i 11.86937319307592 5.7449e-06 deg
node 128.0472706702407 2.0754e-05 deg
peri 122.0030980026018 2.3177e-05 deg
M 114.7144719668705 1.0011e-05 deg
tp 2458595.086937296441
(2019-Apr-21.58693730)		 3.4534e-05 TDB
period 1272.27803145388
3.48		 6.7896e-06
1.859e-08		 d
yr
n .2829570196921615 1.51e-09 deg/d
Q 2.940985428099027 1.0463e-08 au
   Orbit Determination Parameters
   # obs. used (total)      771  
   data-arc span      7848 days (21.49 yr)  
   first obs. used      1998-05-06  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:56:26  

Additional Information
 Earth MOID = .674868 au 
 Jupiter MOID = 2.20793 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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