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JPL Small-Body Database Browser
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441619 (2008 US342)
Classification: Main-belt Asteroid          SPK-ID: 2441619
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09303079262939452 5.27e-08  
a 2.425328041213541 1.7846e-08 au
q 2.199697851153149 1.3395e-07 au
i 4.937556309277628 7.3406e-06 deg
node 23.68227584508549 6.5074e-05 deg
peri 38.36987380422744 8.579e-05 deg
M 22.67277816971203 5.2172e-05 deg
tp 2458913.612680950354
(2020-Mar-05.11268095)
0.00019991 TDB
period 1379.603091590161
3.78
1.5227e-05
4.169e-08
d
yr
n .2609446167484708 2.8801e-09 deg/d
Q 2.650958231273934 1.9506e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      6965 days (19.07 yr)  
   first obs. used      2000-10-06  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57668  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:09:55  

Additional Information
 Earth MOID = 1.21462 au 
 Jupiter MOID = 2.59894 au 
 T_jup = 3.500 
[ 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 17.8   n/a MPO503570  

441619 (2008 US342)          Discovered 2008-Oct-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 US342 = 2004 TL233 = 2006 DH187 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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