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249963 (2001 UK71)
Classification: Main-belt Asteroid          SPK-ID: 2249963
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06939312456948073 4.2968e-08  
a 2.767988550573117 1.8112e-08 au
q 2.5759091762763 1.2058e-07 au
i 2.915818910446937 4.0259e-06 deg
node 53.13304499295092 9.6091e-05 deg
peri 301.8048247825333 0.00010145 deg
M 55.3259033259319 3.1079e-05 deg
tp 2458741.993853530533
(2019-Sep-15.49385353)
0.00014511 TDB
period 1682.073082128763
4.61
1.6509e-05
4.52e-08
d
yr
n .2140216164355944 2.1006e-09 deg/d
Q 2.960067924869934 1.9369e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      9419 days (25.79 yr)  
   first obs. used      1994-02-10  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54415  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 16:46:34  

Additional Information
 Earth MOID = 1.57251 au 
 Jupiter MOID = 2.35148 au 
 T_jup = 3.333 
[ 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 16.0   n/a MPO450109  

249963 (2001 UK71)          Discovered 2001-Oct-17 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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