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78369 (2002 PP120)
Classification: Main-belt Asteroid          SPK-ID: 2078369
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03210185398463634 2.9082e-08  
a 2.7125904347712 1.3458e-08 au
q 2.625511252714053 7.918e-08 au
i 5.125371133634174 4.8035e-06 deg
node 198.2547032528952 3.6134e-05 deg
peri 84.88230715901895 8.9167e-05 deg
M 38.80644180007226 7.9854e-05 deg
tp 2458824.595848720086
(2019-Dec-07.09584872)
0.0003622 TDB
period 1631.829446951541
4.47
1.2144e-05
3.325e-08
d
yr
n .2206112903971212 1.6418e-09 deg/d
Q 2.799669616828345 1.389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      10871 days (29.76 yr)  
   first obs. used      1991-01-18  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52921  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:08  

Additional Information
 Earth MOID = 1.61559 au 
 Jupiter MOID = 2.22862 au 
 T_jup = 3.356 
[ 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 15.5   n/a MPO436330  
diameter diameter 4.221 km 0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.98 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.075   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78369 (2002 PP120)          Discovered 2002-Aug-13 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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