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469283 (1995 UN20)
Classification: Main-belt Asteroid          SPK-ID: 2469283
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1328491302611203 5.9478e-08  
a 2.984059006853912 3.1699e-08 au
q 2.587629363145508 1.8415e-07 au
i 4.006559770476962 7.7913e-06 deg
node 10.49266830439537 0.00013238 deg
peri 16.14875605470088 0.00013932 deg
M 202.9616337135738 4.4653e-05 deg
tp 2459421.820768008554
(2021-Jul-26.32076801)
0.000241 TDB
period 1882.823181844553
5.15
3.0001e-05
8.214e-08
d
yr
n .1912022347458656 3.0466e-09 deg/d
Q 3.380488650562317 3.591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      8619 days (23.60 yr)  
   first obs. used      1995-10-19  
   last obs. used      2019-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60983  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:24  

Additional Information
 Earth MOID = 1.59143 au 
 Jupiter MOID = 2.07508 au 
 T_jup = 3.241 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO437768  

469283 (1995 UN20)          Discovered 1995-Oct-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 1995 UN20 = 2015 PP120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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