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442823 (2013 AR68)
Classification: Main-belt Asteroid          SPK-ID: 2442823
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1109943027619728 9.6551e-08  
a 2.630251662463068 4.4125e-08 au
q 2.33830871309946 2.4529e-07 au
i 11.17157110956998 1.4875e-05 deg
node 261.0212081007702 6.268e-05 deg
peri 145.9836780470223 0.00014083 deg
M 319.7823456829228 0.00012589 deg
tp 2459174.563863427947
(2020-Nov-21.06386343)
0.00054744 TDB
period 1558.096609514424
4.27
3.9208e-05
1.073e-07
d
yr
n .2310511413744703 5.8142e-09 deg/d
Q 2.922194611826677 4.9023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      4799 days (13.14 yr)  
   first obs. used      2003-11-16  
   last obs. used      2017-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57384  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:24:55  

Additional Information
 Earth MOID = 1.35798 au 
 Jupiter MOID = 2.42327 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456425.5 (2013-May-13.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1130801240726468 9.3599e-08  
q 2.332585865259992 2.3803e-07 au
tp 2456052.310212473798
(2012-May-04.81021247)
0.0004879 TDB
node 261.083551216271 6.2762e-05 deg
peri 144.8741082371896 0.00013811 deg
i 11.16349068314892 1.485e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      4799 days (13.14 yr)  
   first obs. used      2003-11-16  
   last obs. used      2017-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57384  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:24:55  

Additional Information
 Jupiter MOID = 2.42327 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.760705560479846E-15 -2.199364912133987E-14 2.715821445734623E-11 7.812179277078662E-14 6.950378980816709E-12 2.936049760055158E-14
q -2.199364912133987E-14 5.666019535868476E-14 -6.151299678302309E-11 -1.600744729696395E-13 -1.572691493762133E-11 -5.575296697468907E-14
tp 2.715821445734623E-11 -6.151299678302309E-11 2.380510365371027E-7 9.027787949991287E-10 6.020932107564029E-8 4.004310030400768E-10
node 7.812179277078662E-14 -1.600744729696395E-13 9.027787949991287E-10 3.939103980039624E-9 -3.631280767886778E-9 5.538013204313493E-10
peri 6.950378980816709E-12 -1.572691493762133E-11 6.020932107564029E-8 -3.631280767886778E-9 1.907521632270954E-8 -4.399940341622084E-10
i 2.936049760055158E-14 -5.575296697468907E-14 4.004310030400768E-10 5.538013204313493E-10 -4.399940341622084E-10 2.20521841878716E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO397585  

442823 (2013 AR68)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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