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382681 (2002 UD4)
Classification: Main-belt Asteroid          SPK-ID: 2382681
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2205027842579829 9.1831e-08  
a 2.287372151176755 1.823e-08 au
q 1.783000223208109 2.1227e-07 au
i 24.7986449457704 1.0713e-05 deg
node 284.7439241688743 1.5415e-05 deg
peri 46.70557204283092 2.3123e-05 deg
M 70.95710121607689 1.6115e-05 deg
tp 2458751.443984897817
(2019-Sep-24.94398490)
5.6195e-05 TDB
period 1263.58269856254
3.46
1.5106e-05
4.136e-08
d
yr
n .2849041858594125 3.4059e-09 deg/d
Q 2.791744079145401 2.225e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      6279 days (17.19 yr)  
   first obs. used      2002-09-27  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42542  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:17:28  

Additional Information
 Earth MOID = .826019 au 
 Jupiter MOID = 2.6117 au 
 T_jup = 3.449 
[ 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 16.2   n/a MPO494954  

382681 (2002 UD4)          Discovered 2002-Oct-28 by LINEAR at Socorro
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2002 UD4 = 2005 NP20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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