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 ]  
173160 (1996 UD2)
Classification: Main-belt Asteroid          SPK-ID: 2173160
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06465979185154511 7.0229e-08  
a 2.257352664115396 2.2223e-08 au
q 2.111392710718164 1.7067e-07 au
i 6.115835318025316 9.6069e-06 deg
node 306.9007050409909 5.0994e-05 deg
peri 312.2049697164971 0.00010055 deg
M 331.3305634756508 8.262e-05 deg
tp 2458699.153887641563
(2019-Aug-03.65388764)
0.00028348 TDB
period 1238.789591166163
3.39
1.8293e-05
5.008e-08
d
yr
n .2906062519149081 4.2914e-09 deg/d
Q 2.403312617512628 2.366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      8239 days (22.56 yr)  
   first obs. used      1996-10-10  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6524  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:41:52  

Additional Information
 Earth MOID = 1.10082 au 
 Jupiter MOID = 2.64874 au 
 T_jup = 3.612 
[ 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 17.0   n/a MPO433112  

173160 (1996 UD2)          Discovered 1996-Oct-17 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1996 UD2 = 2006 QB63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-08 11:22 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin