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JPL Small-Body Database Browser
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39355 (2002 AH161)
Classification: Main-belt Asteroid          SPK-ID: 2039355
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2138403231538281 4.4281e-08  
a 2.351790111697038 1.1204e-08 au
q 1.848882554221766 1.0521e-07 au
i .8284335310766605 4.7001e-06 deg
node 237.4586410032958 0.00032158 deg
peri 346.5425857564058 0.00032177 deg
M 214.9522945921549 1.4747e-05 deg
tp 2459131.267874833888
(2020-Oct-08.76787483)
5.6598e-05 TDB
period 1317.335109872514
3.61
9.4139e-06
2.577e-08
d
yr
n .2732789836861171 1.9529e-09 deg/d
Q 2.854697669172309 1.36e-08 au
  Orbit Determination Parameters
   # obs. used (total)      908  
   data-arc span      21579 days (59.08 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58203  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:48:13  

Additional Information
 Earth MOID = .840055 au 
 Jupiter MOID = 2.12822 au 
 T_jup = 3.526 
[ 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 15.3   n/a MPO412459  
diameter diameter 1.953 km 0.534 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.267   0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39355 (2002 AH161)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 AH161 = 1977 FD2 = 2000 VM4 = 4273 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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