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541814 (2012 AR5)
Classification: Main-belt Asteroid          SPK-ID: 2541814
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .18688315283267 9.3739e-08  
a 2.597547098769405 2.5687e-08 au
q 2.112109307320024 2.5431e-07 au
i 12.33452097449912 6.4777e-06 deg
node 119.1932393134005 3.762e-05 deg
peri 290.5186693331192 5.0195e-05 deg
M 140.1079483941765 2.3073e-05 deg
tp 2458801.380958487149
(2019-Nov-13.88095849)
0.00010117 TDB
period 1529.127058101517
4.19
2.2682e-05
6.21e-08
d
yr
n .2354284414056193 3.4921e-09 deg/d
Q 3.082984890218786 3.0487e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2002-09-18  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:37  

Additional Information
 Earth MOID = 1.159 au 
 Jupiter MOID = 2.35538 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457917.5 (2017-Jun-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1851556256106533 9.3501e-08  
q 2.118914840899851 2.5315e-07 au
tp 2457269.708941562206
(2015-Sep-04.20894156)
0.0001148 TDB
node 119.2925319132912 3.7654e-05 deg
peri 290.2602910614995 5.0595e-05 deg
i 12.32354050698275 6.4692e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      6757 days (18.50 yr)  
   first obs. used      2002-09-18  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:37  

Additional Information
 Jupiter MOID = 2.35538 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.742389080914378E-15 -2.360668868227709E-14 7.954019826080634E-13 6.967060417752807E-15 -1.094783234543597E-13 -9.182402123625606E-14
q -2.360668868227709E-14 6.408517081596847E-14 -3.42481983962281E-12 -1.239975883713074E-14 -5.797668459260447E-14 2.473214618196312E-13
tp 7.954019826080634E-13 -3.42481983962281E-12 1.31798075339295E-8 -1.476997649574677E-11 3.92065979427771E-9 -7.032694249160658E-12
node 6.967060417752807E-15 -1.239975883713074E-14 -1.476997649574677E-11 1.417802560124145E-9 -1.389915599381302E-9 -9.564449038136411E-11
peri -1.094783234543597E-13 -5.797668459260447E-14 3.92065979427771E-9 -1.389915599381302E-9 2.559880680929128E-9 9.517382944313888E-11
i -9.182402123625606E-14 2.473214618196312E-13 -7.032694249160658E-12 -9.564449038136411E-11 9.517382944313888E-11 4.184990244254265E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO219451  

541814 (2012 AR5)          Discovered 2008-Jan-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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