Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
30853 (1991 UH3)
Classification: Main-belt Asteroid          SPK-ID: 2030853
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .28306138783733 4.5826e-08  
a 2.860451903990194 1.7155e-08 au
q 2.050768418204796 1.3807e-07 au
i 8.606746826831863 7.5995e-06 deg
node 23.05733370004464 3.3571e-05 deg
peri 65.34798523520527 3.911e-05 deg
M 18.32302537292825 1.672e-05 deg
tp 2457510.561615181055
(2016-May-02.06161518)
8.1714e-05 JED
period 1767.056360826601
4.84
1.5896e-05
4.352e-08
d
yr
n .2037286461149421 1.8327e-09 deg/d
Q 3.670135389775591 2.2011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      8867 days (24.28 yr)  
   first obs. used      1991-10-31  
   last obs. used      2016-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50744  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 21:07:14  

Additional Information
 Earth MOID = 1.08258 au 
 Jupiter MOID = 1.6948 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
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-04 06:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin