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30853 (1991 UH3)
Classification: Main-belt Asteroid          SPK-ID: 2030853
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2832737533731244 6.8084e-08  
a 2.861435145980957 3.5105e-08 AU
q 2.050865672145157 1.8461e-07 AU
i 8.605557153375402 8.7356e-06 deg
node 23.06354513589133 6.3611e-05 deg
peri 65.28441070786286 6.8883e-05 deg
M 256.1794759338424 3.1745e-05 deg
tp 2457510.364768733367
(2016-May-01.86476873)
0.00016392 JED
period 1767.967542015562
4.84
3.2535e-05
8.908e-08
d
yr
n .2036236477450168 3.7471e-09 deg/d
Q 3.672004619816757 4.5049e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      8308 days (22.75 yr)  
   first obs. used      1991-10-31  
   last obs. used      2014-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49804  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:49:42  

Additional Information
 Earth MOID = 1.08394 AU 
 T_jup = 3.225 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO263605  

30853 (1991 UH3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 UH3 = 1998 HG80 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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