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78320 (2002 PZ77)
Classification: Main-belt Asteroid          SPK-ID: 2078320
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152404052397284 4.8092e-08  
a 2.565324030409635 1.3621e-08 au
q 2.269695049574016 1.2093e-07 au
i 6.999845538165061 4.9793e-06 deg
node 47.90765138354538 3.0984e-05 deg
peri 346.0269325991773 3.5757e-05 deg
M 66.13036793358138 1.6921e-05 deg
tp 2458724.816858413341
(2019-Aug-29.31685841)
7.0839e-05 TDB
period 1500.761814464359
4.11
1.1953e-05
3.273e-08
d
yr
n .2398781715594814 1.9105e-09 deg/d
Q 2.860953011245255 1.5191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      775  
   data-arc span      15139 days (41.45 yr)  
   first obs. used      1978-11-05  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51161  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:18  

Additional Information
 Earth MOID = 1.27708 au 
 Jupiter MOID = 2.55157 au 
 T_jup = 3.413 
[ 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 15.4   n/a MPO453203  
diameter diameter 3.090 km 0.472 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.169   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78320 (2002 PZ77)          Discovered 2002-Aug-11 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PZ77 = 1978 VZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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