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129718 (1998 UR13)
Classification: Main-belt Asteroid          SPK-ID: 2129718
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .099683051884026 7.0588e-08  
a 2.851919730806222 2.1285e-08 au
q 2.567631668311188 2.0337e-07 au
i 5.865575342223594 7.4194e-06 deg
node 205.138861342199 4.648e-05 deg
peri 166.25111317465 5.1554e-05 deg
M 193.0562947229851 2.3987e-05 deg
tp 2459816.277872590827
(2022-Aug-24.77787259)
0.00012077 TDB
period 1759.156079861684
4.82
1.9694e-05
5.392e-08
d
yr
n .2046435811587028 2.291e-09 deg/d
Q 3.136207793301256 2.3407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      320  
   data-arc span      7862 days (21.52 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:46:35  

Additional Information
 Earth MOID = 1.5682 au 
 Jupiter MOID = 2.33177 au 
 T_jup = 3.290 
[ 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 15.7   n/a MPO436628  

129718 (1998 UR13)          Discovered 1998-Oct-23 by Spacewatch at Kitt Peak
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1998 UR13 = 2003 WV91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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