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JPL Small-Body Database Browser
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193798 (2001 PF8)
Classification: Main-belt Asteroid          SPK-ID: 2193798
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2200230909704988 3.6061e-08  
a 2.234775966394748 9.9267e-09 au
q 1.743073650641992 8.1813e-08 au
i 6.80857352888669 5.5404e-06 deg
node 46.85827300470336 3.6408e-05 deg
peri 248.8947580361683 4.0035e-05 deg
M 244.1126545998561 1.904e-05 deg
tp 2459393.310356084149
(2021-Jun-27.81035608)
6.627e-05 TDB
period 1220.251682373232
3.34
8.1304e-06
2.226e-08
d
yr
n .2950211052361316 1.9657e-09 deg/d
Q 2.726478282147504 1.2111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      7778 days (21.30 yr)  
   first obs. used      1998-10-17  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69049  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:09:19  

Additional Information
 Earth MOID = .741532 au 
 Jupiter MOID = 2.50154 au 
 T_jup = 3.598 
[ 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 17.3   n/a MPO470086  

193798 (2001 PF8)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2150-May-10 22:40 00:03 David 0.0232234737742094 0.0232150316406862 0.0232319280913872 6.30502267040568 6.30502256723194 2506461.444230346 3.42951634123069 945.544388260969 58.0032397611375 63.7694133975635 53731.3657920914 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 22:09:20 2020-Feb-24 22:09

Alternate Designations
 2001 PF8 = 1998 UR47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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