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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1355794657550725 3.8375e-08  
a 2.424814502959657 1.0348e-08 au
q 2.096059448093235 9.1292e-08 au
i 1.314752926246537 4.3175e-06 deg
node 8.821232774453579 0.00017172 deg
peri 223.2636647034945 0.00017247 deg
M 231.8190609228595 1.8679e-05 deg
tp 2459491.562936407181
(2021-Oct-04.06293641)
7.3214e-05 TDB
period 1379.164939649847
3.78
8.8286e-06
2.417e-08
d
yr
n .2610275171955861 1.6709e-09 deg/d
Q 2.753569557826079 1.1751e-08 au
  Orbit Determination Parameters
   # obs. used (total)      972  
   data-arc span      10511 days (28.78 yr)  
   first obs. used      1991-04-10  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54055  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 05:11:22  

Additional Information
 Earth MOID = 1.08548 au 
 Jupiter MOID = 2.23831 au 
 T_jup = 3.498 
[ 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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