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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456814.5 (2014-Jun-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619619904745455 5.5295e-08  
q 2.205881543375695 1.5318e-07 au
tp 2457467.284903004669
(2016-Mar-19.78490300)
0.00017071 TDB
node 148.3332956531074 4.2829e-05 deg
peri 100.3903292565794 5.3514e-05 deg
i 6.711717426744461 5.6474e-06 deg
  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
 Jupiter MOID = 2.01332 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.057543324770082E-15 -8.400809751891301E-15 -4.883531620358535E-12 -8.199253481493386E-15 -8.525829015043472E-13 4.609100058464938E-15
q -8.400809751891301E-15 2.346422821631083E-14 1.535031399181615E-11 2.588068218777336E-14 2.690625742542618E-12 -1.285020892899277E-14
tp -4.883531620358535E-12 1.535031399181615E-11 2.914278133223694E-8 4.397072149487003E-11 5.492786350007547E-9 -7.987640939189108E-12
node -8.199253481493386E-15 2.588068218777336E-14 4.397072149487003E-11 1.834313189550644E-9 -1.813271095804865E-9 2.453555480072317E-11
peri -8.525829015043472E-13 2.690625742542618E-12 5.492786350007547E-9 -1.813271095804865E-9 2.863708626806362E-9 -2.57810278133142E-11
i 4.609100058464938E-15 -1.285020892899277E-14 -7.987640939189108E-12 2.453555480072317E-11 -2.57810278133142E-11 3.189283380512273E-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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