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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1175409640333304 9.9216e-08  
a 2.945923976277161 3.7928e-08 AU
q 2.599657232136642 2.9876e-07 AU
i 4.547810296026434 9.1966e-06 deg
node 339.6409265309567 9.6034e-05 deg
peri 210.4127289315805 9.9567e-05 deg
M 46.60173771453242 2.5582e-05 deg
tp 2456761.427105345590
(2014-Apr-13.92710535)
0.00013124 JED
period 1846.84619708394
5.06
3.5667e-05
9.765e-08
d
yr
n .1949268978480279 3.7645e-09 deg/d
Q 3.29219072041768 4.2386e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      532  
   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      .55495  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 15:11:07  

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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