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115770 (2003 US208)
Classification: Main-belt Asteroid          SPK-ID: 2115770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889393266572422 5.1634e-08  
a 2.476031143465003 1.3551e-08 au
q 2.008211486436364 1.3125e-07 au
i 2.939460091355268 6.7218e-06 deg
node 74.96929745006304 9.289e-05 deg
peri 239.0964780198517 9.4305e-05 deg
M 208.3069146337973 1.7115e-05 deg
tp 2459800.147276139920
(2022-Aug-08.64727614)
6.9688e-05 TDB
period 1423.09070244851
3.90
1.1682e-05
3.198e-08
d
yr
n .2529705235095692 2.0767e-09 deg/d
Q 2.943850800493642 1.6111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      9315 days (25.50 yr)  
   first obs. used      1995-09-18  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:00  

Additional Information
 Earth MOID = .994225 au 
 Jupiter MOID = 2.3397 au 
 T_jup = 3.455 
[ 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 16.52   n/a MPCxxxxx  

115770 (2003 US208)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 US208 = 1995 SA71 = 1999 TB283 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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