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108461 (2001 KG54)
Classification: Main-belt Asteroid          SPK-ID: 2108461
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488112919670078 4.8481e-08  
a 2.639334219824802 1.4294e-08 au
q 2.246571484639938 1.2669e-07 au
i 2.342860595796173 6.369e-06 deg
node 13.38942639571981 9.6649e-05 deg
peri 221.7691374044845 9.8247e-05 deg
M 155.6824304883611 1.7845e-05 deg
tp 2458323.206181280459
(2018-Jul-23.70618128)
7.6485e-05 TDB
period 1566.173999045212
4.29
1.2723e-05
3.483e-08
d
yr
n .2298595176650021 1.8672e-09 deg/d
Q 3.032096955009665 1.6421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      8174 days (22.38 yr)  
   first obs. used      1997-06-29  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:00:56  

Additional Information
 Earth MOID = 1.23586 au 
 Jupiter MOID = 1.97092 au 
 T_jup = 3.379 
[ 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 15.9   n/a MPO449649  
diameter diameter 3.979 km 0.149 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108461 (2001 KG54)          Discovered 2001-May-22 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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