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115503 (2003 UP28)
Classification: Main-belt Asteroid          SPK-ID: 2115503
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0728642983748637 3.9197e-08  
a 2.342629265764528 1.1549e-08 au
q 2.171935227962174 9.3722e-08 au
i .7675703461979068 4.9265e-06 deg
node 26.6205270642382 0.00033916 deg
peri 28.35676459890128 0.00034118 deg
M 271.2160445187784 3.73e-05 deg
tp 2459523.487535402659
(2021-Nov-04.98753540)
0.00013642 TDB
period 1309.645556054891
3.59
9.6846e-06
2.651e-08
d
yr
n .2748835349653272 2.0327e-09 deg/d
Q 2.513323303566883 1.239e-08 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      9659 days (26.44 yr)  
   first obs. used      1992-09-28  
   last obs. used      2019-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64422  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:43:51  

Additional Information
 Earth MOID = 1.18243 au 
 Jupiter MOID = 2.69745 au 
 T_jup = 3.559 
[ 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 17.1   n/a MPO426730  
diameter diameter 1.829 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115503 (2003 UP28)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 UP28 = 1992 SJ11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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