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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206652815922132 9.3269e-08  
a 2.287727025903225 1.8434e-08 au
q 1.782905097526173 2.1597e-07 au
i 24.79671162096708 1.0954e-05 deg
node 284.7443377634503 1.5429e-05 deg
peri 46.65568544641795 2.3231e-05 deg
M 317.0390278653884 1.6247e-05 deg
tp 2458751.326040597922
(2019-Sep-24.82604060)
5.7239e-05 TDB
period 1263.87676808429
3.46
1.5276e-05
4.182e-08
d
yr
n .2848378964554169 3.4427e-09 deg/d
Q 2.792548954280276 2.2501e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      6182 days (16.93 yr)  
   first obs. used      2002-09-27  
   last obs. used      2019-08-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43076  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:52  

Additional Information
 Earth MOID = .825063 au 
 Jupiter MOID = 2.6083 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 16.1   n/a MPO446636  

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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