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78312 (2002 PN68)
Classification: Main-belt Asteroid          SPK-ID: 2078312
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397824755909212 5.9123e-08  
a 3.071734152369114 1.7931e-08 au
q 2.64235954819378 1.7964e-07 au
i 1.119993912120981 5.9694e-06 deg
node 221.3305108796608 0.00023232 deg
peri 175.9970513249527 0.00023307 deg
M 47.79557113195749 1.6129e-05 deg
tp 2458739.428766453814
(2019-Sep-12.92876645)
8.8171e-05 TDB
period 1966.409059474244
5.38
1.7218e-05
4.714e-08
d
yr
n .1830748278266439 1.603e-09 deg/d
Q 3.501108756544449 2.0437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      9747 days (26.69 yr)  
   first obs. used      1994-02-12  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53359  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:20  

Additional Information
 Earth MOID = 1.64966 au 
 Jupiter MOID = 1.91515 au 
 T_jup = 3.215 
[ 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 14.7   n/a MPO379132  
diameter diameter 6.259 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78312 (2002 PN68)          Discovered 2002-Aug-06 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PN68 = 1997 SM32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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