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 ]  
173139 (1995 SO16)
Classification: Main-belt Asteroid          SPK-ID: 2173139
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2054875554526885 4.8602e-08  
a 2.428249539933726 8.6297e-09 au
q 1.929274477943629 1.1654e-07 au
i .2716833765776248 3.9187e-06 deg
node 298.3418533125062 0.001076 deg
peri 77.05600486775838 0.0010761 deg
M 174.5212980929683 9.9908e-06 deg
tp 2458330.485296512373
(2018-Jul-30.98529651)
3.7543e-05 TDB
period 1382.096603057894
3.78
7.3677e-06
2.017e-08
d
yr
n .2604738331629631 1.3885e-09 deg/d
Q 2.927224601923823 1.0403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      9006 days (24.66 yr)  
   first obs. used      1995-08-25  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:24:31  

Additional Information
 Earth MOID = .930443 au 
 Jupiter MOID = 2.53767 au 
 T_jup = 3.480 
[ 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 16.9   n/a MPO310312  

173139 (1995 SO16)          Discovered 1995-Sep-18 by Spacewatch at Kitt Peak
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1995 SO16 = 1999 VQ63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-30 19:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin