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15463 (1999 AT2)
Classification: Main-belt Asteroid          SPK-ID: 2015463
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09514755926160706 3.3885e-08  
a 2.755669560644105 1.1061e-08 au
q 2.493474327817313 9.327e-08 au
i 8.180730351325662 4.3542e-06 deg
node 92.3376651621704 2.4616e-05 deg
peri 285.3524098212516 3.3433e-05 deg
M 40.51202663615474 2.1618e-05 deg
tp 2459012.472832326732
(2020-Jun-11.97283233)
0.00010039 TDB
period 1670.856434073509
4.57
1.006e-05
2.754e-08
d
yr
n .215458367732007 1.2972e-09 deg/d
Q 3.017864793470897 1.2113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1748  
   data-arc span      15071 days (41.26 yr)  
   first obs. used      1979-12-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50866  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:03:34  

Additional Information
 Earth MOID = 1.50987 au 
 Jupiter MOID = 2.43606 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457372.5 (2015-Dec-16.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09739847093971168 3.4055e-08  
q 2.487113726715688 9.39e-08 au
tp 2457335.596257609963
(2015-Nov-09.09625761)
9.7959e-05 TDB
node 92.41822900297005 2.4679e-05 deg
peri 284.1404378879632 3.3013e-05 deg
i 8.171958555971674 4.3497e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1748  
   data-arc span      15071 days (41.26 yr)  
   first obs. used      1979-12-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50866  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:03:34  

Additional Information
 Jupiter MOID = 2.43606 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.159733311381271E-15 -3.179762033904839E-15 8.836694056062902E-13 -2.786695890777547E-15 1.80690559588354E-13 -1.185488219914824E-15
q -3.179762033904839E-15 8.817231499174536E-15 -2.558256129092181E-12 7.660206943032706E-15 -5.260916565390893E-13 3.464600723707293E-15
tp 8.836694056062902E-13 -2.558256129092181E-12 9.596047557876243E-9 -6.156177669552351E-12 2.16001872499603E-9 -3.221954091580954E-12
node -2.786695890777547E-15 7.660206943032706E-15 -6.156177669552351E-12 6.090368773746465E-10 -6.038449549624845E-10 -2.839119042608959E-11
peri 1.80690559588354E-13 -5.260916565390893E-13 2.16001872499603E-9 -6.038449549624845E-10 1.089887723311818E-9 2.736421591871355E-11
i -1.185488219914824E-15 3.464600723707293E-15 -3.221954091580954E-12 -2.839119042608959E-11 2.736421591871355E-11 1.891996724422243E-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 13.82   n/a MPCxxxxx  
diameter diameter 10.241 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15463 (1999 AT2)          Discovered 1999-Jan-09 by Kobayashi, T. at Oizumi
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 AT2 = 1979 YP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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