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78289 (2002 PG50)
Classification: Main-belt Asteroid          SPK-ID: 2078289
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2169699382024239 4.987e-08  
a 2.77457322014192 1.723e-08 au
q 2.172574240029627 1.4021e-07 au
i 5.09096764596579 5.3028e-06 deg
node 143.0702943891679 5.9413e-05 deg
peri 204.6999564606023 6.0349e-05 deg
M 307.7582642561885 1.3647e-05 deg
tp 2459245.467127380157
(2021-Jan-30.96712738)
6.5513e-05 TDB
period 1688.078786074852
4.62
1.5724e-05
4.305e-08
d
yr
n .2132601884282177 1.9865e-09 deg/d
Q 3.376572200254213 2.0968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      9239 days (25.30 yr)  
   first obs. used      1995-01-31  
   last obs. used      2020-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:24  

Additional Information
 Earth MOID = 1.16698 au 
 Jupiter MOID = 2.0488 au 
 T_jup = 3.295 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO436330  
diameter diameter 4.956 km 0.246 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78289 (2002 PG50)          Discovered 2002-Aug-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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