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115790 (2003 US222)
Classification: Main-belt Asteroid          SPK-ID: 2115790
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06192899176195386 6.5808e-08  
a 2.437146425303111 1.5405e-08 au
q 2.28621640440784 1.6011e-07 au
i 6.831573967324502 4.3981e-06 deg
node 254.5994134034344 4.9905e-05 deg
peri 285.9835187553855 6.7652e-05 deg
M 57.8417883186634 4.2446e-05 deg
tp 2458977.214731036491
(2020-May-07.71473104)
0.00016463 TDB
period 1389.699370704394
3.80
1.3176e-05
3.607e-08
d
yr
n .2590488328547832 2.4562e-09 deg/d
Q 2.588076446198383 1.6359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      448  
   data-arc span      7529 days (20.61 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:45:10  

Additional Information
 Earth MOID = 1.29835 au 
 Jupiter MOID = 2.41303 au 
 T_jup = 3.491 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.22   n/a E2021B55  

115790 (2003 US222)          Discovered 2003-Oct-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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