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JPL Small-Body Database Browser
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249600 (1998 AP3)
Classification: Main-belt Asteroid          SPK-ID: 2249600
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0630455694555724 4.7073e-08  
a 2.786569814246075 2.19e-08 au
q 2.610888933479223 1.2968e-07 au
i 5.464850375150508 4.9167e-06 deg
node 106.5154433437853 4.7499e-05 deg
peri 216.3233959737127 5.9046e-05 deg
M 352.2927554826188 3.3317e-05 deg
tp 2458636.874744877914
(2019-Jun-02.37474488)
0.00015717 TDB
period 1699.038888219729
4.65
2.003e-05
5.484e-08
d
yr
n .2118844968741192 2.4979e-09 deg/d
Q 2.962250695012928 2.3281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      7947 days (21.76 yr)  
   first obs. used      1997-12-21  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53024  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:46:58  

Additional Information
 Earth MOID = 1.59945 au 
 Jupiter MOID = 2.23749 au 
 T_jup = 3.321 
[ 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 16.1   n/a MPO450108  
diameter diameter 4.528 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.029   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249600 (1998 AP3)          Discovered 1998-Jan-02 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1998 AP3 = 2010 NS72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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