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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302062164941546 3.4932e-08  
a 3.214485535955176 2.1221e-08 au
q 2.795939536343268 1.1962e-07 au
i 6.226398774796644 5.4257e-06 deg
node 231.8474126211077 4.2434e-05 deg
peri 65.97087013401716 4.924e-05 deg
M 355.8523324011839 2.6291e-05 deg
tp 2459024.753090314242
(2020-Jun-24.25309031)
0.0001538 TDB
period 2105.065631493554
5.76
2.0846e-05
5.707e-08
d
yr
n .171016045587414 1.6935e-09 deg/d
Q 3.633031535567084 2.3984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1186  
   data-arc span      8007 days (21.92 yr)  
   first obs. used      1997-08-01  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55584  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:35:50  

Additional Information
 Earth MOID = 1.78776 au 
 Jupiter MOID = 1.58449 au 
 T_jup = 3.168 
[ 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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