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 ]  
173147 (1995 UC38)
Classification: Main-belt Asteroid          SPK-ID: 2173147
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140473834579969 4.7042e-08  
a 2.391730833465779 1.2448e-08 au
q 2.118960189973193 1.1336e-07 au
i 3.163605637055174 5.0127e-06 deg
node 20.26715158083891 8.6726e-05 deg
peri 169.5824649910377 8.9193e-05 deg
M 126.8809472924948 2.1569e-05 deg
tp 2458724.331357518983
(2019-Aug-28.83135752)
8.0305e-05 TDB
period 1351.035872218033
3.70
1.0547e-05
2.888e-08
d
yr
n .2664622068168908 2.0802e-09 deg/d
Q 2.664501476958365 1.3867e-08 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      9017 days (24.69 yr)  
   first obs. used      1995-10-22  
   last obs. used      2020-06-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55503  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:55:50  

Additional Information
 Earth MOID = 1.11858 au 
 Jupiter MOID = 2.28986 au 
 T_jup = 3.521 
[ 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 16.79   n/a E2021B55  
rotation period rot_per 6.847 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]

173147 (1995 UC38)          Discovered 1995-Oct-22 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

Alternate Designations
 1995 UC38 = 2001 HH43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-07 11:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin