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249148 (2008 AY63)
Classification: Main-belt Asteroid          SPK-ID: 2249148
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04770756502626387 9.4441e-08  
a 3.028633949978234 4.937e-08 au
q 2.884145198868898 2.8659e-07 au
i 7.293319819672068 1.1191e-05 deg
node 136.7600015984996 7.4567e-05 deg
peri 178.0314316179581 0.00013089 deg
M 298.3030181291598 0.00011264 deg
tp 2459330.436243248406
(2021-Apr-25.93624325)
0.00060595 TDB
period 1925.1678764138
5.27
4.7073e-05
1.289e-07
d
yr
n .1869966793080962 4.5723e-09 deg/d
Q 3.173122701087572 5.1725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54041  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:10:31  

Additional Information
 Earth MOID = 1.87029 au 
 Jupiter MOID = 2.01137 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456381.5 (2013-Mar-30.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04584655723146381 9.5712e-08  
q 2.889764734368747 2.892e-07 au
tp 2455491.301121546873
(2010-Oct-21.80112155)
0.00058243 TDB
node 136.7878726343836 7.4614e-05 deg
peri 179.9670511909358 0.000133 deg
i 7.290813087487897 1.1187e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      6767 days (18.53 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54041  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:10:31  

Additional Information
 Jupiter MOID = 2.01137 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.16080456181854E-15 -2.729937312033344E-14 2.292556794893175E-11 -3.533458417813151E-14 4.415114363420769E-12 -4.361682067753516E-15
q -2.729937312033344E-14 8.36376315556217E-14 -6.092132283658609E-11 1.20309588740457E-13 -1.161355811876197E-11 1.936192905858833E-14
tp 2.292556794893175E-11 -6.092132283658609E-11 3.392250024484053E-7 -2.076884791175314E-10 6.423517719670151E-8 -3.745002368842937E-11
node -3.533458417813151E-14 1.20309588740457E-13 -2.076884791175314E-10 5.567236414541321E-9 -5.556592644026235E-9 3.637911919217051E-10
peri 4.415114363420769E-12 -1.161355811876197E-11 6.423517719670151E-8 -5.556592644026235E-9 1.768817374704644E-8 -3.667243654417938E-10
i -4.361682067753516E-15 1.936192905858833E-14 -3.745002368842937E-11 3.637911919217051E-10 -3.667243654417938E-10 1.251382400197398E-10

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 16.2   n/a MPO433632  
diameter diameter 3.832 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249148 (2008 AY63)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

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