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JPL Small-Body Database Browser
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108331 (2001 KD2)
Classification: Main-belt Asteroid          SPK-ID: 2108331
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0452797734550656 4.1945e-08  
a 2.725002778494502 2.0432e-08 au
q 2.601615270019846 1.2008e-07 au
i 8.494813424516744 6.3141e-06 deg
node 206.780065382729 3.3325e-05 deg
peri 67.76858188186498 8.3959e-05 deg
M 32.81388599972333 7.6394e-05 deg
tp 2458850.737177906294
(2020-Jan-02.23717791)
0.00034836 TDB
period 1643.042703146728
4.50
1.848e-05
5.06e-08
d
yr
n .2191056868519205 2.4643e-09 deg/d
Q 2.848390286969157 2.1358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      8444 days (23.12 yr)  
   first obs. used      1996-03-27  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:45:18  

Additional Information
 Earth MOID = 1.60031 au 
 Jupiter MOID = 2.18696 au 
 T_jup = 3.339 
[ 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 15.7   n/a MPO436520  

108331 (2001 KD2)          Discovered 2001-May-16 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 KD2 = 2003 YR33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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