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469013 (2015 AD227)
Classification: Main-belt Asteroid          SPK-ID: 2469013
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 .006288791104120151 5.5591e-08  
a 3.015933987446731 5.42e-08 au
q 2.996967408615863 1.7048e-07 au
i 8.940523838843401 7.5759e-06 deg
node 270.487278333008 4.4797e-05 deg
peri 141.5705633826615 0.00069111 deg
M 89.63743744223035 0.00068788 deg
tp 2458524.158844579349
(2019-Feb-09.65884458)
0.0036572 TDB
period 1913.071377815232
5.24
5.1571e-05
1.412e-07
d
yr
n .1881790738049344 5.0727e-09 deg/d
Q 3.0349005662776 5.4541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4523 days (12.38 yr)  
   first obs. used      2007-09-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:52:57  

Additional Information
 Earth MOID = 2.01162 au 
 Jupiter MOID = 2.05513 au 
 T_jup = 3.229 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457658.5 (2016-Sep-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .005939771208605272 5.682e-08  
q 2.996684437971108 1.7557e-07 au
tp 2458570.034758330364
(2019-Mar-27.53475833)
0.0038223 TDB
node 270.5031120723319 4.4804e-05 deg
peri 150.2876701194259 0.00072289 deg
i 8.940742248507753 7.576e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      4523 days (12.38 yr)  
   first obs. used      2007-09-14  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:52:57  

Additional Information
 Jupiter MOID = 2.05513 au 
 T_jup = 3.229 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.228512906338568E-15 -9.501372426537612E-15 3.394519349090358E-11 4.660884983358739E-15 6.29961206869171E-12 -1.087687939354627E-15
q -9.501372426537612E-15 3.082422244890277E-14 -1.334550527198339E-10 -1.284875317963722E-14 -2.512522688145159E-11 8.677033803038754E-15
tp 3.394519349090358E-11 -1.334550527198339E-10 1.461002182788922E-5 6.655362774849941E-10 2.757778408568835E-6 -1.294311825833746E-10
node 4.660884983358739E-15 -1.284875317963722E-14 6.655362774849941E-10 2.007381697523209E-9 -1.856909498909413E-9 1.080540054751454E-10
peri 6.29961206869171E-12 -2.512522688145159E-11 2.757778408568835E-6 -1.856909498909413E-9 5.225640680496916E-7 -1.314833222704311E-10
i -1.087687939354627E-15 8.677033803038754E-15 -1.294311825833746E-10 1.080540054751454E-10 -1.314833222704311E-10 5.739503035897999E-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 16.3   n/a MPO472607  
diameter diameter 3.874 km 0.288 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469013 (2015 AD227)          Discovered 2008-Oct-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 AD227 = 2010 KQ6 = 2012 QK46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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