Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
393908 (2005 UH3)
Classification: Apollo [NEO]          SPK-ID: 2393908
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5459648774299595 6.478e-08  
a 1.72665723953838 7.3592e-09 au
q .7839630313902564 1.1201e-07 au
i 44.76927568787724 1.6851e-05 deg
node 53.33942219608192 4.5092e-06 deg
peri 309.1649171462142 8.3208e-06 deg
M 356.7594777290796 6.1253e-06 deg
tp 2458607.959678963640
(2019-May-04.45967896)
1.4139e-05 TDB
period 828.7196329460182
2.27
5.2982e-06
1.451e-08
d
yr
n .4344050577397747 2.7772e-09 deg/d
Q 2.669351447686505 1.1377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      115  
   # delay obs. used      3  
   # Doppler obs. used      2  
   data-arc span      4548 days (12.45 yr)  
   first obs. used      2005-10-25  
   last obs. used      2018-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53115  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-09 07:57:16  

Additional Information
 Earth MOID = .0799028 au 
 Jupiter MOID = 3.21467 au 
 T_jup = 3.699 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO321985  

393908 (2005 UH3)          Discovered 2005-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin