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118305 (1998 UU30)
Classification: Main-belt Asteroid          SPK-ID: 2118305
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089713707832204 3.2597e-08  
a 2.340886133982585 8.0815e-09 au
q 2.085796563115069 7.6055e-08 au
i 6.650988224420197 4.4633e-06 deg
node 131.4446353824618 3.3463e-05 deg
peri 286.860979795918 4.0577e-05 deg
M 53.36309292591894 2.2387e-05 deg
tp 2459006.586808964774
(2020-Jun-06.08680896)
8.1151e-05 TDB
period 1308.18408276284
3.58
6.7744e-06
1.855e-08
d
yr
n .2751906285541194 1.4251e-09 deg/d
Q 2.595975704850101 8.9621e-09 au
  Orbit Determination Parameters
   # obs. used (total)      679  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1998-10-18  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57999  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:38  

Additional Information
 Earth MOID = 1.10904 au 
 Jupiter MOID = 2.67949 au 
 T_jup = 3.547 
[ 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 16.1   n/a MPO406911  

118305 (1998 UU30)          Discovered 1998-Oct-18 by Elst, E. W. at La Silla
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 1998 UU30 = 2003 AP29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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