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JPL Small-Body Database Browser
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172073 (2002 AF85)
Classification: Main-belt Asteroid          SPK-ID: 2172073
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08894656258334661 6.8552e-08  
a 3.086479132135247 4.1331e-08 au
q 2.811947422846586 2.2366e-07 au
i 19.38301337942318 7.5609e-06 deg
node 128.2040227644378 2.0043e-05 deg
peri 204.927630490195 4.3224e-05 deg
M 273.0504781854329 4.1847e-05 deg
tp 2459478.863617589622
(2021-Sep-21.36361759)
0.00023321 TDB
period 1980.584812180216
5.42
3.9783e-05
1.089e-07
d
yr
n .1817644959135652 3.651e-09 deg/d
Q 3.361010841423908 4.5008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .74401  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:51:01  

Additional Information
 Earth MOID = 1.80865 au 
 Jupiter MOID = 1.97219 au 
 T_jup = 3.133 
[ 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 14.8   n/a MPO260218  
diameter diameter 6.072 km 0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172073 (2002 AF85)          Discovered 2002-Jan-09 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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
1931-Aug-07 19:16 00:05 Jupiter 1.97507653367843 1.97507591545093 1.97507715190672 5.35324345406971 5.27252353205678 2426561.303048752 4.49180142719389 531.847181420366 29.5443772186503 -89.6615701336581 2702121.7327681 T 10 CATAB v2.0e-lin.ifort 2019-Jul-13 10:51:03 2019-Jul-13 10:51
2061-Nov-26 05:36 00:03 Jupiter 1.97718765631901 1.97718701964204 1.97718829299677 5.34531158357798 5.26455702368616 2474154.733294091 2.68738774252122 317.8694255367 30.1779251744157 88.7421482335139 2710512.93593994 T 10 CATAB v2.0e-lin.ifort 2019-Jul-13 10:51:03 2019-Jul-13 10:51
2192-Mar-19 17:48 00:10 Jupiter 1.98528089366119 1.98527938183031 1.98528240566665 5.34205772620481 5.26158515179742 2521750.241915445 9.93291268957917 1035.50443124258 31.3566195010342 86.0570684858083 2753551.95256063 T 10 CATAB v2.0e-lin.ifort 2019-Jul-13 10:51:03 2019-Jul-13 10:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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