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
JPL Small-Body Database Browser
Search: [ help ]  
392882 (2012 UH172)
Classification: Main-belt Asteroid          SPK-ID: 2392882
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073896087202585 9.6317e-08  
a 2.42127629213179 2.5023e-08 au
q 2.161256378516118 2.4873e-07 au
i 6.902412319895407 8.9824e-06 deg
node 9.69662205639975 5.9661e-05 deg
peri 27.24676989633116 7.5397e-05 deg
M 12.32661095898353 4.9544e-05 deg
tp 2458953.379906884736
(2020-Apr-13.87990688)
0.00018899 TDB
period 1376.147391845137
3.77
2.1333e-05
5.841e-08
d
yr
n .2615998853998571 4.0553e-09 deg/d
Q 2.681296205747461 2.771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      9484 days (25.97 yr)  
   first obs. used      1993-11-08  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:06:05  

Additional Information
 Earth MOID = 1.17005 au 
 Jupiter MOID = 2.71596 au 
 T_jup = 3.496 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457835.5 (2017-Mar-23.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079391495034735 9.7127e-08  
q 2.159684952414494 2.5107e-07 au
tp 2457573.569970678907
(2016-Jul-04.06997068)
0.0001753 TDB
node 9.777129558907765 5.9549e-05 deg
peri 26.33319576427554 7.4972e-05 deg
i 6.910789342288788 8.99e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      9484 days (25.97 yr)  
   first obs. used      1993-11-08  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60417  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 13:06:05  

Additional Information
 Jupiter MOID = 2.71596 au 
 T_jup = 3.496 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.433637283785777E-15 -2.433239211828963E-14 -8.388865163220169E-12 -7.7242546688283E-15 -1.857470990618212E-12 -3.033275057651158E-14
q -2.433239211828963E-14 6.303808758284392E-14 2.219009535448495E-11 2.345714045985434E-14 4.950107826232501E-12 7.999758476424119E-14
tp -8.388865163220169E-12 2.219009535448495E-11 3.072973201398022E-8 1.215474778010995E-10 8.005970024240984E-9 5.642056845713947E-11
node -7.7242546688283E-15 2.345714045985434E-14 1.215474778010995E-10 3.546043103003054E-9 -3.486085456803275E-9 -2.24195720829453E-10
peri -1.857470990618212E-12 4.950107826232501E-12 8.005970024240984E-9 -3.486085456803275E-9 5.620787616535997E-9 2.368943480525425E-10
i -3.033275057651158E-14 7.999758476424119E-14 5.642056845713947E-11 -2.24195720829453E-10 2.368943480525425E-10 8.081950476389567E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO446664  

392882 (2012 UH172)          Discovered 2008-Aug-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-15 20:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin