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JPL Small-Body Database Browser
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201731 (2003 UY225)
Classification: Main-belt Asteroid          SPK-ID: 2201731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07984571569333712 4.4112e-08  
a 2.773094394692921 2.7371e-08 au
q 2.551674688063483 1.2555e-07 au
i 2.747537703367394 5.029e-06 deg
node 318.8600529832444 0.00011641 deg
peri 348.0437637474427 0.00012178 deg
M 209.333281598148 3.635e-05 deg
tp 2459306.427718250286
(2021-Apr-01.92771825)
0.00017199 TDB
period 1686.729367080841
4.62
2.4973e-05
6.837e-08
d
yr
n .2134308010674164 3.1599e-09 deg/d
Q 2.994514101322359 2.9556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      337  
   data-arc span      5608 days (15.35 yr)  
   first obs. used      2003-10-03  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57072  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:34:48  

Additional Information
 Earth MOID = 1.53605 au 
 Jupiter MOID = 2.18818 au 
 T_jup = 3.330 
[ 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 16.2   n/a MPO433322  
rotation period rot_per 3.3 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Polishook, D.; Ofek, O.E.; Waszczak, A.; Kulkarni, S.R. (2012) ACM 2012, #6347. Supplemental material.]

201731 (2003 UY225)          Discovered 2003-Oct-22 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 UY225 = 2005 AD75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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