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 ]  
173150 (1995 WM12)
Classification: Main-belt Asteroid          SPK-ID: 2173150
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1854092757415274 4.8809e-08  
a 3.098682662061401 2.8919e-08 au
q 2.524158153935769 1.5473e-07 au
i 4.383095783087422 5.6841e-06 deg
node 147.5883687516385 7.5911e-05 deg
peri 184.2258739636825 7.7483e-05 deg
M 235.6619792060712 1.7297e-05 deg
tp 2459688.622136933688
(2022-Apr-19.12213693)
0.00010121 TDB
period 1992.342870783605
5.45
2.789e-05
7.636e-08
d
yr
n .1806917901929244 2.5295e-09 deg/d
Q 3.673207170187034 3.428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      223  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:24:31  

Additional Information
 Earth MOID = 1.51364 au 
 Jupiter MOID = 1.69961 au 
 T_jup = 3.191 
[ 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 16.0   n/a MPO433112  

173150 (1995 WM12)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1995 WM12 = 2005 NG27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-11 14:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin