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JPL Small-Body Database Browser
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39790 (1997 PF)
Classification: Outer Main-belt Asteroid          SPK-ID: 2039790
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129762403633165 3.6462e-08  
a 3.210314470497316 2.1322e-08 au
q 2.793736348387253 1.2317e-07 au
i 6.233744573413798 5.4951e-06 deg
node 231.8919505283336 4.5556e-05 deg
peri 66.60795910859233 5.2303e-05 deg
M 286.7846213858994 2.7446e-05 deg
tp 2459027.786924625348
(2020-Jun-27.28692463)
0.00016124 TDB
period 2100.969711239059
5.75
2.0931e-05
5.731e-08
d
yr
n .1713494478640951 1.7071e-09 deg/d
Q 3.626892592607379 2.4089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      7953 days (21.77 yr)  
   first obs. used      1997-08-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55354  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:09  

Additional Information
 Earth MOID = 1.78499 au 
 Jupiter MOID = 1.59228 au 
 T_jup = 3.169 
[ 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 13.5   n/a MPO347806  

39790 (1997 PF)          Discovered 1997-Aug-01 by JPL/GEODSS NEAT at Haleakala
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 PF = 1998 TD31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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