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390769 (2003 UN118)
Classification: Main-belt Asteroid          SPK-ID: 2390769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .179997865893055 4.3513e-08  
a 2.638050386570845 1.7241e-08 au
q 2.163206946869745 1.1299e-07 au
i 4.722322069460549 6.1606e-06 deg
node 337.4850788532411 5.938e-05 deg
peri 339.2729493031386 6.2507e-05 deg
M 4.648753155187439 1.8126e-05 deg
tp 2458980.290431463603
(2020-May-10.79043146)
7.8795e-05 TDB
period 1565.031403094491
4.28
1.5342e-05
4.2e-08
d
yr
n .2300273331820578 2.255e-09 deg/d
Q 3.112893826271946 2.0344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      258  
   data-arc span      21934 days (60.05 yr)  
   first obs. used      1960-09-28  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59469  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:38:31  

Additional Information
 Earth MOID = 1.15065 au 
 Jupiter MOID = 2.19078 au 
 T_jup = 3.368 
[ 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 16.7   n/a MPO437599  

390769 (2003 UN118)          Discovered 2003-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2003 UN118 = 2007 RQ20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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