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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1195575035040273 4.8488e-08  
a 2.949049985448351 1.8647e-08 au
q 2.596468931479558 1.407e-07 au
i 4.553297821254692 4.9823e-06 deg
node 339.4892315592743 5.0883e-05 deg
peri 211.5590068797326 5.368e-05 deg
M 114.0668228767477 1.6196e-05 deg
tp 2458614.390889683002
(2019-May-10.89088968)
8.3276e-05 TDB
period 1849.78659344365
5.06
1.7545e-05
4.804e-08
d
yr
n .1946170446234055 1.8459e-09 deg/d
Q 3.301631039417143 2.0876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      9132 days (25.00 yr)  
   first obs. used      1995-07-19  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53939  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:07  

Additional Information
 Earth MOID = 1.59753 au 
 Jupiter MOID = 1.67156 au 
 T_jup = 3.255 
[ 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 14.32   n/a E2021B10  
diameter diameter 6.973 km 0.263 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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

[ show close-approach data ]
Alternate Designations
 1995 OP1 = 2001 TB99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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