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JPL Small-Body Database Browser
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47093 (1999 AF21)
Classification: Main-belt Asteroid          SPK-ID: 2047093
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047035205215898 4.4949e-08  
a 2.364098341645395 9.6465e-09 au
q 2.11656892241587 1.0585e-07 au
i 1.953884395237065 5.1287e-06 deg
node 214.664789807123 0.00010219 deg
peri 315.1078788931143 0.00010413 deg
M 169.1296214096237 2.2052e-05 deg
tp 2457976.745186135011
(2017-Aug-11.24518614)
7.9453e-05 TDB
period 1327.690153385626
3.64
8.1262e-06
2.225e-08
d
yr
n .2711476010287457 1.6596e-09 deg/d
Q 2.61162776087492 1.0656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      10103 days (27.66 yr)  
   first obs. used      1992-03-26  
   last obs. used      2019-11-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54089  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:00:28  

Additional Information
 Earth MOID = 1.12342 au 
 Jupiter MOID = 2.35963 au 
 T_jup = 3.541 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO452814  
diameter diameter 5.134 km 0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47093 (1999 AF21)          Discovered 1999-Jan-10 by Korlevic, K. at Visnjan
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AF21 = 1999 CQ59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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