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78232 (2002 OP15)
Classification: Main-belt Asteroid          SPK-ID: 2078232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247133853670689 4.0337e-08  
a 3.040026059212003 1.8248e-08 au
q 2.660894117763565 1.2035e-07 au
i 10.49943528312692 4.3855e-06 deg
node 245.007171501929 2.4294e-05 deg
peri 176.7941267579072 3.0929e-05 deg
M 75.28709096510744 1.7666e-05 deg
tp 2458795.614333541884
(2019-Nov-08.11433354)
9.4747e-05 TDB
period 1936.040270070669
5.30
1.7432e-05
4.773e-08
d
yr
n .1859465454129522 1.6742e-09 deg/d
Q 3.419158000660441 2.0524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      2000-04-07  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .436  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:35:45  

Additional Information
 Earth MOID = 1.67338 au 
 Jupiter MOID = 1.90739 au 
 T_jup = 3.203 
[ 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 14.50   n/a E2021B10  
diameter diameter 4.363 km 1.692 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78232 (2002 OP15)          Discovered 2002-Jul-18 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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