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46645 (1995 OP1)
Classification: Main-belt Asteroid          SPK-ID: 2046645
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175409641442698 9.9215e-08  
a 2.94592397602931 3.7907e-08 AU
q 2.599657231591105 2.9875e-07 AU
i 4.547810287209888 9.1965e-06 deg
node 339.6409270558394 9.5997e-05 deg
peri 210.4127282696107 9.9528e-05 deg
M 46.60173793573139 2.5561e-05 deg
tp 2456761.427104240982
(2014-Apr-13.92710424)
0.00013114 JED
period 1846.846196850868
5.06
3.5647e-05
9.76e-08
d
yr
n .1949268978726277 3.7623e-09 deg/d
Q 3.292190720467516 4.2362e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      6917 days (18.94 yr)  
   first obs. used      1995-07-19  
   last obs. used      2014-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55244  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 15:36:31  

Additional Information
 Earth MOID = 1.60276 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 ]
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