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442683 (2012 UL38)
Classification: Main-belt Asteroid          SPK-ID: 2442683
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 .2484484431200168 1.1877e-07  
a 2.219911113224048 6.7023e-08 au
q 1.66837765327871 3.0638e-07 au
i 4.954866092494416 5.416e-06 deg
node 256.3407718647175 6.433e-05 deg
peri 55.31056327514125 6.6543e-05 deg
M 164.271418731261 2.5759e-05 deg
tp 2458449.233867477706
(2018-Nov-26.73386748)
6.4505e-05 TDB
period 1208.09699727917
3.31
5.4712e-05
1.498e-07
d
yr
n .2979893177541028 1.3495e-08 deg/d
Q 2.771444573169386 8.3674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      3083 days (8.44 yr)  
   first obs. used      2009-12-10  
   last obs. used      2018-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54437  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-31 17:30:27  

Additional Information
 Earth MOID = .660259 au 
 Jupiter MOID = 2.52017 au 
 T_jup = 3.605 
[ 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 17.7   n/a MPO450446  

442683 (2012 UL38)          Discovered 2012-Oct-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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