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JPL Small-Body Database Browser
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523970 (1999 AP30)
Classification: Main-belt Asteroid          SPK-ID: 2523970
[ 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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08802440120759589 8.0887e-08  
a 3.04307487483855 8.8859e-08 au
q 2.775210031151007 2.2326e-07 au
i 17.73670044350494 1.1013e-05 deg
node 298.6172410484115 2.7839e-05 deg
peri 314.7804765653109 7.1946e-05 deg
M 172.4140626320188 6.3726e-05 deg
tp 2457671.880992277233
(2016-Oct-10.38099228)		 0.00034829 TDB
period 1938.953457025686
5.31		 8.4927e-05
2.325e-07		 d
yr
n .18566716941841 8.1323e-09 deg/d
Q 3.310939718526094 9.668e-08 au
   Orbit Determination Parameters
   # obs. used (total)      80  
   data-arc span      7227 days (19.79 yr)  
   first obs. used      1999-01-14  
   last obs. used      2018-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59145  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 10:47:06  

Additional Information
 Earth MOID = 1.78501 au 
 Jupiter MOID = 1.94189 au 
 T_jup = 3.161 
[ 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 16.0   n/a E2018N10  
diameter diameter 2.898 km 0.960 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.028   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

523970 (1999 AP30)          Discovered 1999-Jan-14 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

[ show close-approach data ]
Alternate Designations
 1999 AP30 = 2010 JB93 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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