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469042 (2015 AB256)
Classification: Main-belt Asteroid          SPK-ID: 2469042
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07935819935817789 5.3395e-08  
a 3.042206647612247 6.301e-08 au
q 2.80078260598226 1.7724e-07 au
i 11.24447993854422 7.4282e-06 deg
node 125.9516070319611 3.0045e-05 deg
peri 57.09919770896416 6.7538e-05 deg
M 323.9299673923884 5.9328e-05 deg
tp 2459194.689403415964
(2020-Dec-11.18940342)
0.00032195 TDB
period 1938.12370480073
5.31
6.0213e-05
1.649e-07
d
yr
n .1857466575060614 5.7708e-09 deg/d
Q 3.283630689242234 6.801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5405 days (14.80 yr)  
   first obs. used      2005-04-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:53:19  

Additional Information
 Earth MOID = 1.8242 au 
 Jupiter MOID = 1.7588 au 
 T_jup = 3.206 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457530.5 (2016-May-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08037364377982452 5.3407e-08  
q 2.796175206737673 1.7734e-07 au
tp 2457255.351286263919
(2015-Aug-20.85128626)
0.00029637 TDB
node 125.9748700295301 3.005e-05 deg
peri 56.78652383597244 6.6834e-05 deg
i 11.24539848577176 7.4289e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      5405 days (14.80 yr)  
   first obs. used      2005-04-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:53:19  

Additional Information
 Jupiter MOID = 1.7588 au 
 T_jup = 3.206 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.852282590400432E-15 -8.961591150374764E-15 -1.049592848385543E-12 2.566635059376096E-15 -1.55500207702822E-13 -4.322438362161086E-15
q -8.961591150374764E-15 3.14507644789363E-14 7.681176049791268E-12 -1.234238854477083E-14 1.454908102597991E-12 1.727902829131171E-14
tp -1.049592848385543E-12 7.681176049791268E-12 8.783627617748494E-8 -1.26672838243831E-10 1.771961671312114E-8 -2.150703926428503E-11
node 2.566635059376096E-15 -1.234238854477083E-14 -1.26672838243831E-10 9.030128420968404E-10 -9.104379891054269E-10 -2.34316841876902E-11
peri -1.55500207702822E-13 1.454908102597991E-12 1.771961671312114E-8 -9.104379891054269E-10 4.466799684996286E-9 1.865020317585902E-11
i -4.322438362161086E-15 1.727902829131171E-14 -2.150703926428503E-11 -2.34316841876902E-11 1.865020317585902E-11 5.518808950579337E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO419280  

469042 (2015 AB256)          Discovered 2010-Jan-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-06-21

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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