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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2077376151152743 3.5202e-08  
a 2.406075465939848 9.8992e-09 au
q 1.906243086858131 8.4889e-08 au
i 2.249608875966405 4.5392e-06 deg
node 176.8925143502001 8.9601e-05 deg
peri 147.3454113232463 9.0271e-05 deg
M 299.0735607358232 1.2656e-05 deg
tp 2458831.209559798137
(2019-Dec-13.70955980)
4.852e-05 TDB
period 1363.208527043594
3.73
8.4128e-06
2.303e-08
d
yr
n .2640828551599043 1.6297e-09 deg/d
Q 2.905907845021564 1.1956e-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 = .893762 au 
 Jupiter MOID = 2.42744 au 
 T_jup = 3.492 
[ 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-January); 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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