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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1548739143933648 1.3426e-07  
a 2.592479250796563 6.2808e-08 au
q 2.190971841242122 3.2375e-07 au
i 13.26342765247076 8.8167e-06 deg
node 313.5967224740037 3.5682e-05 deg
peri 318.3987898537894 4.4968e-05 deg
M 222.0094337043024 2.7456e-05 deg
tp 2459184.910831760128
(2020-Dec-01.41083176)
0.00011436 TDB
period 1524.654221527069
4.17
5.5406e-05
1.517e-07
d
yr
n .2361191114136225 8.5806e-09 deg/d
Q 2.993986660351005 7.2535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4377 days (11.98 yr)  
   first obs. used      2007-01-10  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:19:18  

Additional Information
 Earth MOID = 1.19201 au 
 Jupiter MOID = 2.23837 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457087.5 (2015-Mar-06.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1551690642347661 1.3467e-07  
q 2.191364076793738 3.2507e-07 au
tp 2457658.079334725324
(2016-Sep-26.57933473)
0.00012574 TDB
node 313.6410288519648 3.5645e-05 deg
peri 317.922705514018 4.476e-05 deg
i 13.27015321196703 8.8217e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      4377 days (11.98 yr)  
   first obs. used      2007-01-10  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58375  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:19:18  

Additional Information
 Jupiter MOID = 2.23837 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.813574267030964E-14 -4.335332374195061E-14 -8.621773859670712E-12 1.024724124539314E-13 -1.430734024311335E-12 -1.048733980750551E-13
q -4.335332374195061E-14 1.056733445505552E-13 1.95522189027169E-11 -2.455170949973865E-13 3.027027653086871E-12 2.549329186814981E-13
tp -8.621773859670712E-12 1.95522189027169E-11 1.581129517566411E-8 -4.210448064572028E-11 3.424814735832492E-9 8.889080260202962E-11
node 1.024724124539314E-13 -2.455170949973865E-13 -4.210448064572028E-11 1.270588899487139E-9 -1.242324803429821E-9 -7.919011443482354E-11
peri -1.430734024311335E-12 3.027027653086871E-12 3.424814735832492E-9 -1.242324803429821E-9 2.003428334092034E-9 9.282063570194686E-11
i -1.048733980750551E-13 2.549329186814981E-13 8.889080260202962E-11 -7.919011443482354E-11 9.282063570194686E-11 7.782200271968269E-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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