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JPL Small-Body Database Browser
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39360 (2002 AP178)
Classification: Main-belt Asteroid          SPK-ID: 2039360
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1358728118634555 3.8435e-08  
a 2.424207198043654 1.0378e-08 au
q 2.094823349505834 9.1376e-08 au
i 1.31503026463699 4.4241e-06 deg
node 8.83306606078972 0.0001735 deg
peri 223.195149702524 0.00017426 deg
M 127.4619570029559 1.8455e-05 deg
tp 2458112.374930653667
(2017-Dec-24.87493065)
6.9271e-05 TDB
period 1378.646845667094
3.77
8.8525e-06
2.424e-08
d
yr
n .2611256110521942 1.6767e-09 deg/d
Q 2.753591046581474 1.1788e-08 au
  Orbit Determination Parameters
   # obs. used (total)      961  
   data-arc span      10465 days (28.65 yr)  
   first obs. used      1991-04-10  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54366  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:09:25  

Additional Information
 Earth MOID = 1.08424 au 
 Jupiter MOID = 2.23877 au 
 T_jup = 3.499 
[ 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 15.4   n/a MPO417088  
diameter diameter 2.313 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39360 (2002 AP178)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 AP178 = 1991 GP14 = 1991 HK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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