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JPL Small-Body Database Browser
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183301 (2002 UN20)
Classification: Main-belt Asteroid          SPK-ID: 2183301
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 .2087960780296763 3.5641e-08  
a 2.549745727016158 2.0141e-08 au
q 2.017368819242258 9.7545e-08 au
i 3.520084595075734 1.397e-05 deg
node 170.102292387457 9.6821e-05 deg
peri 285.6152547770213 0.0001151 deg
M 341.2936450050993 6.3909e-05 deg
tp 2458677.773468575694
(2019-Jul-13.27346858)
0.0002647 TDB
period 1487.112197690746
4.07
1.7621e-05
4.824e-08
d
yr
n .2420799187573231 2.8684e-09 deg/d
Q 3.082122634790057 2.4346e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      7363 days (20.16 yr)  
   first obs. used      1998-11-24  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:07:12  

Additional Information
 Earth MOID = 1.0376 au 
 Jupiter MOID = 2.11482 au 
 T_jup = 3.407 
[ 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 16.6   n/a MPO454261  

183301 (2002 UN20)          Discovered 2002-Oct-28 by NEAT at Haleakala
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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