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78296 (2002 PT53)
Classification: Main-belt Asteroid          SPK-ID: 2078296
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 .1272207901042147 4.4888e-08  
a 3.068802858061848 2.1073e-08 au
q 2.678387333785147 1.3753e-07 au
i 10.91180240480732 4.1864e-06 deg
node 131.3740881890705 2.6042e-05 deg
peri 257.4835225314116 3.1021e-05 deg
M 59.46920019196411 1.6159e-05 deg
tp 2458676.129381654317
(2019-Jul-11.62938165)
8.8424e-05 TDB
period 1963.594973995047
5.38
2.0226e-05
5.538e-08
d
yr
n .1833371977254349 1.8884e-09 deg/d
Q 3.459218382338548 2.3754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      2000-03-12  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54974  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:22  

Additional Information
 Earth MOID = 1.7092 au 
 Jupiter MOID = 2.09138 au 
 T_jup = 3.191 
[ 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 14.5   n/a MPO412653  
diameter diameter 4.656 km 0.906 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.3 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:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2012). Mon. Not. Royal Ast. Soc. 421, 2094-2108.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.170   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78296 (2002 PT53)          Discovered 2002-Aug-08 by NEAT at Palomar
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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