Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
46645 (1995 OP1)
Classification: Main-belt Asteroid          SPK-ID: 2046645
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174367483906548 1.1734e-07  
a 2.945447897791637 4.2108e-08 AU
q 2.599544074120898 3.5199e-07 AU
i 4.547932938776965 1.0932e-05 deg
node 339.6440090650888 0.00010833 deg
peri 210.3535165757087 0.00011217 deg
M 7.663243545705498 2.9219e-05 deg
tp 2456761.196106755384
(2014-Apr-13.69610676)
0.00014977 JED
period 1846.398523506534
5.06
3.9594e-05
1.084e-07
d
yr
n .194974159379372 4.181e-09 deg/d
Q 3.291351721462377 4.7053e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      6838 days (18.72 yr)  
   first obs. used      1995-07-19  
   last obs. used      2014-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56939  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:49:41  

Additional Information
 Earth MOID = 1.60184 AU 
 T_jup = 3.256 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO257184  

46645 (1995 OP1)          Discovered 1995-Jul-19 by BAO Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 OP1 = 2001 TB99 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Apr-19 14:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin