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JPL Small-Body Database Browser
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39353 (2002 AR144)
Classification: Main-belt Asteroid          SPK-ID: 2039353
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610393206877558 5.5198e-08  
a 2.631745272261937 2.3703e-08 au
q 2.207930801393662 1.5228e-07 au
i 6.717683568558866 5.6515e-06 deg
node 148.2852782437057 4.2763e-05 deg
peri 100.8869848838622 5.3704e-05 deg
M 353.2579147276537 4.3385e-05 deg
tp 2459029.704914848461
(2020-Jun-29.20491485)
0.00018823 TDB
period 1559.423964655219
4.27
2.1068e-05
5.768e-08
d
yr
n .2308544745749077 3.1189e-09 deg/d
Q 3.055559743130213 2.7521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      9985 days (27.34 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56889  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:16  

Additional Information
 Earth MOID = 1.2061 au 
 Jupiter MOID = 2.01332 au 
 T_jup = 3.371 
[ 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 15.4   n/a MPO436045  
diameter diameter 5.881 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39353 (2002 AR144)          Discovered 2002-Jan-13 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 AR144 = 1998 BF33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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