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469044 (2015 AB258)
Classification: Main-belt Asteroid          SPK-ID: 2469044
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550363445765996 1.0393e-07  
a 2.591852194564153 3.6609e-08 au
q 2.190020904636089 2.7075e-07 au
i 13.2649164908146 6.5593e-06 deg
node 313.5989990026068 3.3355e-05 deg
peri 318.4969330494707 4.2268e-05 deg
M 316.3859867741794 2.6982e-05 deg
tp 2459185.144903178714
(2020-Dec-01.64490318)
0.0001137 TDB
period 1524.10109109115
4.17
3.2291e-05
8.841e-08
d
yr
n .2362048043297871 5.0045e-09 deg/d
Q 2.993683484492218 4.2285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      4882 days (13.37 yr)  
   first obs. used      2007-01-10  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:22:57  

Additional Information
 Earth MOID = 1.19155 au 
 Jupiter MOID = 2.24017 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457645.5 (2016-Sep-14.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1544291031392031 1.0397e-07  
q 2.191952850570669 2.7071e-07 au
tp 2457659.368163845420
(2016-Sep-27.86816385)
0.00012203 TDB
node 313.6202682655821 3.3361e-05 deg
peri 318.2317516413744 4.231e-05 deg
i 13.2625594395352 6.5582e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      4882 days (13.37 yr)  
   first obs. used      2007-01-10  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57543  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 04:22:57  

Additional Information
 Jupiter MOID = 2.24017 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.080951993953762E-14 -2.796127829979924E-14 -5.776979277070914E-12 3.784155857327736E-14 -6.905247376258819E-13 -6.740241662690335E-14
q -2.796127829979924E-14 7.328633472887838E-14 1.355004971620398E-11 -1.072075740069382E-13 1.46675644219024E-12 1.766040301143929E-13
tp -5.776979277070914E-12 1.355004971620398E-11 1.489034738293873E-8 -1.27800766131458E-11 3.175169513251568E-9 7.852265315173708E-11
node 3.784155857327736E-14 -1.072075740069382E-13 -1.27800766131458E-11 1.112957582356172E-9 -1.083414578331896E-9 -1.020416436039276E-11
peri -6.905247376258819E-13 1.46675644219024E-12 3.175169513251568E-9 -1.083414578331896E-9 1.790135938548554E-9 2.353853564475627E-11
i -6.740241662690335E-14 1.766040301143929E-13 7.852265315173708E-11 -1.020416436039276E-11 2.353853564475627E-11 4.300958837493759E-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 16.5   n/a MPO364272  

469044 (2015 AB258)          Discovered 2007-Jan-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-06-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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