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JPL Small-Body Database Browser
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390023 (2012 US30)
Classification: Main-belt Asteroid          SPK-ID: 2390023
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08412925942428651 9.084e-08  
a 2.751555906775749 6.2304e-08 au
q 2.520069546074184 2.5409e-07 au
i 5.434089925404251 9.5367e-06 deg
node 70.19066123979471 0.00011035 deg
peri 20.69287355526611 0.00014428 deg
M 105.536171579185 0.00010273 deg
tp 2458111.774754090233
(2017-Dec-24.27475409)
0.00046452 TDB
period 1667.116457749326
4.56
5.6624e-05
1.55e-07
d
yr
n .2159417228032253 7.3345e-09 deg/d
Q 2.983042267477313 6.7546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5682 days (15.56 yr)  
   first obs. used      2003-10-20  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59472  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:54:14  

Additional Information
 Earth MOID = 1.53743 au 
 Jupiter MOID = 2.17342 au 
 T_jup = 3.334 
[ 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 16.8   n/a MPO476835  

390023 (2012 US30)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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