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27953 (1997 PF5)
Classification: Main-belt Asteroid          SPK-ID: 2027953
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073199358133891 3.5228e-08  
a 2.405245418468902 9.9182e-09 au
q 1.906590092696481 8.4829e-08 au
i 2.249737298026016 4.5391e-06 deg
node 176.8697814786801 8.9596e-05 deg
peri 147.3577609405606 9.0267e-05 deg
M 44.72872127830193 1.2945e-05 deg
tp 2458831.213820900969
(2019-Dec-13.71382090)
4.8532e-05 TDB
period 1362.50316874618
3.73
8.4276e-06
2.307e-08
d
yr
n .2642195689946789 1.6343e-09 deg/d
Q 2.903900744241323 1.1974e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      7940 days (21.74 yr)  
   first obs. used      1997-08-11  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52136  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:29:11  

Additional Information
 Earth MOID = .894995 au 
 Jupiter MOID = 2.43207 au 
 T_jup = 3.493 
[ 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 15.1   n/a MPO296355  
rotation period rot_per 3.906 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

27953 (1997 PF5)          Discovered 1997-Aug-11 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 PF5 = 2000 GZ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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