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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610393501162132 4.9182e-08  
a 2.631745237940525 1.4184e-08 au
q 2.207930695151143 1.2854e-07 au
i 6.717677680610082 4.7355e-06 deg
node 148.2852633961264 4.2408e-05 deg
peri 100.8869620366935 4.489e-05 deg
M 353.2579780656231 1.5761e-05 deg
tp 2459029.704639913973
(2020-Jun-29.20463991)
6.8269e-05 TDB
period 1559.423934149816
4.27
1.2607e-05
3.452e-08
d
yr
n .2308544790908758 1.8663e-09 deg/d
Q 3.055559780729906 1.6468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      10437 days (28.57 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55263  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:42:30  

Additional Information
 Earth MOID = 1.2061 au 
 Jupiter MOID = 2.01332 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607364658796475 4.9245e-08  
q 2.209707610723433 1.2872e-07 au
tp 2457468.178510368532
(2016-Mar-20.67851037)
6.9302e-05 TDB
node 148.3078588608825 4.2404e-05 deg
peri 100.4448141657711 4.4878e-05 deg
i 6.716926262128058 4.7351e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      574  
   data-arc span      10437 days (28.57 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55263  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:42:30  

Additional Information
 Jupiter MOID = 2.01332 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.42502786377411E-15 -6.311960266002152E-15 -1.074941163755816E-12 2.093144553389073E-15 -1.644182501166337E-13 -1.565198886283497E-16
q -6.311960266002152E-15 1.656981052373245E-14 2.695529019483793E-12 -5.875313211204277E-15 3.980350519196677E-13 2.136705890764032E-16
tp -1.074941163755816E-12 2.695529019483793E-12 4.802831050316364E-9 8.802849703958003E-12 1.043093465500059E-9 -7.088430315169828E-14
node 2.093144553389073E-15 -5.875313211204277E-15 8.802849703958003E-12 1.798110038927287E-9 -1.783569542454634E-9 3.792560526255493E-11
peri -1.644182501166337E-13 3.980350519196677E-13 1.043093465500059E-9 -1.783569542454634E-9 2.01405593599919E-9 -3.761930376200471E-11
i -1.565198886283497E-16 2.136705890764032E-16 -7.088430315169828E-14 3.792560526255493E-11 -3.761930376200471E-11 2.24215502336591E-11

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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