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344316 (2001 UD201)
Classification: Main-belt Asteroid          SPK-ID: 2344316
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596677756963515 1.0155e-07  
a 3.050559154647661 3.7104e-08 au
q 2.563483159794926 2.9913e-07 au
i 6.310931554373411 1.0764e-05 deg
node 356.9950762802509 6.2406e-05 deg
peri 16.98973089360155 6.6098e-05 deg
M 184.3693910641979 2.4144e-05 deg
tp 2459949.935157755253
(2023-Jan-05.43515776)
0.00014081 TDB
period 1946.11098180971
5.33
3.5506e-05
9.721e-08
d
yr
n .1849843114626649 3.375e-09 deg/d
Q 3.537635149500395 4.3029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      6789 days (18.59 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59117  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 22:24:57  

Additional Information
 Earth MOID = 1.56478 au 
 Jupiter MOID = 1.93756 au 
 T_jup = 3.208 
[ 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 16.3   n/a MPO334856  

344316 (2001 UD201)          Discovered 2001-Oct-19 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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