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379274 (2009 UN100)
Classification: Main-belt Asteroid          SPK-ID: 2379274
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3044554736115508 1.1098e-07  
a 2.582222360963328 4.1359e-08 au
q 1.796050629085901 3.0755e-07 au
i 4.667784525690518 1.1651e-05 deg
node 190.4735297928489 6.2821e-05 deg
peri 135.6120509745478 6.5446e-05 deg
M 244.2038424138201 9.8476e-06 deg
tp 2459488.006635329511
(2021-Sep-30.50663533)
4.0537e-05 TDB
period 1515.614959745175
4.15
3.6413e-05
9.969e-08
d
yr
n .2375273466953162 5.7066e-09 deg/d
Q 3.368394092840755 5.3951e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      4790 days (13.11 yr)  
   first obs. used      2005-11-04  
   last obs. used      2018-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:12:44  

Additional Information
 Earth MOID = .788242 au 
 Jupiter MOID = 2.0179 au 
 T_jup = 3.353 
[ 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 17.5   n/a MPO427884  

379274 (2009 UN100)          Discovered 2005-Nov-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2009 UN100 = 2005 VR57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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