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469028 (2015 AR245)
Classification: Main-belt Asteroid          SPK-ID: 2469028
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446637096965597 8.9323e-08  
a 2.403814164988624 3.0549e-08 au
q 2.056069490460232 2.0344e-07 au
i 7.259699438816702 5.6826e-06 deg
node 126.2199655540636 5.1369e-05 deg
peri 243.6147111359446 5.5011e-05 deg
M 282.9495451936353 2.1375e-05 deg
tp 2459291.854994770860
(2021-Mar-18.35499477)
8.3288e-05 TDB
period 1361.28720305549
3.73
2.595e-05
7.105e-08
d
yr
n .2644555823282247 5.0412e-09 deg/d
Q 2.751558839517017 3.4968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      5532 days (15.15 yr)  
   first obs. used      2004-03-01  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:18:47  

Additional Information
 Earth MOID = 1.06671 au 
 Jupiter MOID = 2.72716 au 
 T_jup = 3.499 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457503.5 (2016-Apr-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1450094276564183 8.9058e-08  
q 2.053974988898138 2.0246e-07 au
tp 2457933.065463474189
(2017-Jun-28.56546347)
7.4405e-05 TDB
node 126.2447567665151 5.1409e-05 deg
peri 244.055784729082 5.504e-05 deg
i 7.25820840351187 5.6814e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      5532 days (15.15 yr)  
   first obs. used      2004-03-01  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:18:47  

Additional Information
 Jupiter MOID = 2.72716 au 
 T_jup = 3.499 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.931410934813985E-15 -1.791439079273851E-14 1.570417354575895E-12 -7.861486125490048E-14 9.300019062668209E-16 -1.628044598536776E-14
q -1.791439079273851E-14 4.099040099814986E-14 -3.456051253297328E-12 1.762983863999872E-13 -2.223623268871661E-14 3.80385790268029E-14
tp 1.570417354575895E-12 -3.456051253297328E-12 5.536115771496151E-9 -3.244490231195897E-11 1.457320509685163E-9 -1.247019572645032E-11
node -7.861486125490048E-14 1.762983863999872E-13 -3.244490231195897E-11 2.642842287233264E-9 -2.625545957723553E-9 9.296106037506688E-12
peri 9.300019062668209E-16 -2.223623268871661E-14 1.457320509685163E-9 -2.625545957723553E-9 3.029415152872431E-9 -1.169273262443574E-11
i -1.628044598536776E-14 3.80385790268029E-14 -1.247019572645032E-11 9.296106037506688E-12 -1.169273262443574E-11 3.227886842407531E-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 17.0   n/a MPO328365  

469028 (2015 AR245)          Discovered 2004-Mar-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 AR245 = 2009 MQ6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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