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15827 (1995 AO1)
Classification: Main-belt Asteroid          SPK-ID: 2015827
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3151149024775861 4.2095e-08  
a 2.703227399346301 1.1661e-08 au
q 1.851400161026553 1.1629e-07 au
i 10.08846669631856 4.9861e-06 deg
node 210.6832139603676 2.1264e-05 deg
peri 308.2327497026134 2.1996e-05 deg
M 244.8235488697903 8.3697e-06 deg
tp 2459519.877928485267
(2021-Nov-01.37792849)
3.9979e-05 TDB
period 1623.387875038061
4.44
1.0504e-05
2.876e-08
d
yr
n .2217584629868938 1.4349e-09 deg/d
Q 3.55505463766605 1.5335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1993-10-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:03  

Additional Information
 Earth MOID = .878267 au 
 Jupiter MOID = 1.55457 au 
 T_jup = 3.272 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456928.5 (2014-Sep-28.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3145883621162372 4.2291e-08  
q 1.854137439021367 1.1697e-07 au
tp 2456271.948761540686
(2012-Dec-10.44876154)
2.9817e-05 TDB
node 210.7068373161615 2.1266e-05 deg
peri 308.3085940183431 2.1992e-05 deg
i 10.08468513084452 4.9858e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1337  
   data-arc span      9887 days (27.07 yr)  
   first obs. used      1993-10-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48507  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:03  

Additional Information
 Jupiter MOID = 1.55457 au 
 T_jup = 3.272 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.788548872173322E-15 -4.936023316630467E-15 1.815433543718015E-13 5.146919799402072E-15 6.571980117986317E-14 2.06737027774164E-15
q -4.936023316630467E-15 1.368216636918002E-14 -4.416908080571991E-13 -1.68910759501592E-14 -1.647687035865324E-13 -5.927706387077872E-15
tp 1.815433543718015E-13 -4.416908080571991E-13 8.890292076124457E-10 -5.48480035194056E-12 1.817732535311045E-10 2.153942713208865E-12
node 5.146919799402072E-15 -1.68910759501592E-14 -5.48480035194056E-12 4.522220638813019E-10 -4.462773552332912E-10 -4.505436917773112E-11
peri 6.571980117986317E-14 -1.647687035865324E-13 1.817732535311045E-10 -4.462773552332912E-10 4.836344492437369E-10 4.469623802704148E-11
i 2.06737027774164E-15 -5.927706387077872E-15 2.153942713208865E-12 -4.505436917773112E-11 4.469623802704148E-11 2.485829674804324E-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 13.8   n/a MPO309276  
diameter diameter 6.109 km 0.950 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.172   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15827 (1995 AO1)          Discovered 1995-Jan-10 by Kobayashi, T. at Oizumi
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

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