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30931 (1993 UJ5)
Classification: Main-belt Asteroid          SPK-ID: 2030931
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326559284445435 3.4413e-08  
a 2.567634017140081 9.517e-09 au
q 2.227022142690571 8.7794e-08 au
i 4.511063340893103 3.9745e-06 deg
node 106.9866074748124 4.6372e-05 deg
peri 15.78101120784658 4.9009e-05 deg
M 140.2607409192779 1.6219e-05 deg
tp 2458614.993479490460
(2019-May-11.49347949)
6.6088e-05 TDB
period 1502.789347909852
4.11
8.3552e-06
2.288e-08
d
yr
n .2395545327099267 1.3319e-09 deg/d
Q 2.908245891589591 1.0779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      9775 days (26.76 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-07-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53893  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:42:26  

Additional Information
 Earth MOID = 1.2431 au 
 Jupiter MOID = 2.1569 au 
 T_jup = 3.415 
[ 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 15.29   n/a E2021B10  

30931 (1993 UJ5)          Discovered 1993-Oct-20 by Elst, E. W. at La Silla
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1993 UJ5 = 1999 FG49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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