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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .155036344049336 1.1713e-07  
a 2.591852193227868 4.9451e-08 au
q 2.190020904873566 2.9297e-07 au
i 13.26492372757374 8.2618e-06 deg
node 313.5989881294261 3.4231e-05 deg
peri 318.4969431424134 4.3156e-05 deg
M 316.3859875639606 2.7035e-05 deg
tp 2459185.144899692289
(2020-Dec-01.64489969)
0.0001142 TDB
period 1524.101089912475
4.17
4.3618e-05
1.194e-07
d
yr
n .2362048045124578 6.7599e-09 deg/d
Q 2.99368348158217 5.7118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4853 days (13.29 yr)  
   first obs. used      2007-01-10  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:45:14  

Additional Information
 Earth MOID = 1.19155 au 
 Jupiter MOID = 2.24017 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457259.5 (2015-Aug-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154711609134726 1.1732e-07  
q 2.192504376868322 2.9343e-07 au
tp 2457658.686529184847
(2016-Sep-27.18652918)
0.00012291 TDB
node 313.6373628500476 3.4215e-05 deg
peri 318.0112080365489 4.3098e-05 deg
i 13.26566124018076 8.2618e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      4853 days (13.29 yr)  
   first obs. used      2007-01-10  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5776  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:45:14  

Additional Information
 Jupiter MOID = 2.24017 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.376285293942933E-14 -3.410771000290705E-14 -6.736330724262273E-12 4.907923681557305E-14 -9.384588166303678E-13 -7.782161854054918E-14
q -3.410771000290705E-14 8.609984131901978E-14 1.555485543424285E-11 -1.223226521871772E-13 1.974104944167194E-12 1.946854774962149E-13
tp -6.736330724262273E-12 1.555485543424285E-11 1.510804797558227E-8 -6.75853048920659E-12 3.225491193200577E-9 7.487715832068813E-11
node 4.907923681557305E-14 -1.223226521871772E-13 -6.75853048920659E-12 1.170685686533944E-9 -1.138581819802132E-9 -4.876328161020225E-11
peri -9.384588166303678E-13 1.974104944167194E-12 3.225491193200577E-9 -1.138581819802132E-9 1.857438464561754E-9 6.039968338938271E-11
i -7.782161854054918E-14 1.946854774962149E-13 7.487715832068813E-11 -4.876328161020225E-11 6.039968338938271E-11 6.825797054183222E-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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