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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .315121420707515 4.0131e-08  
a 2.704298901625978 1.1317e-08 au
q 1.852116389727827 1.1173e-07 au
i 10.08652504123197 4.6267e-06 deg
node 210.6788568424159 1.8661e-05 deg
peri 308.1691535212865 1.961e-05 deg
M 332.6865523756003 8.4886e-06 deg
tp 2459519.740793503839
(2021-Nov-01.24079350)
3.8815e-05 TDB
period 1624.353185708718
4.45
1.0197e-05
2.792e-08
d
yr
n .2216266777246041 1.3912e-09 deg/d
Q 3.556481413524128 1.4884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1557  
   data-arc span      10035 days (27.47 yr)  
   first obs. used      1993-10-22  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:31:08  

Additional Information
 Earth MOID = .879789 au 
 Jupiter MOID = 1.55211 au 
 T_jup = 3.271 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457198.5 (2015-Jun-25.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3146982418983639 4.0341e-08  
q 1.853693963020529 1.124e-07 au
tp 2457897.171528466295
(2017-May-23.67152847)
3.2889e-05 TDB
node 210.6935501046906 1.8654e-05 deg
peri 308.3459624149946 1.9597e-05 deg
i 10.08636019064519 4.6277e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1557  
   data-arc span      10035 days (27.47 yr)  
   first obs. used      1993-10-22  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:31:08  

Additional Information
 Jupiter MOID = 1.55211 au 
 T_jup = 3.271 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.627424066751338E-15 -4.525249326610966E-15 -3.492173634210722E-14 3.468984637423627E-15 6.239665491068162E-14 2.341894284925566E-15
q -4.525249326610966E-15 1.263485134758831E-14 2.155425201886004E-13 -1.313558469851752E-14 -1.55879173193909E-13 -6.512262232751701E-15
tp -3.492173634210722E-14 2.155425201886004E-13 1.081706798350246E-9 -1.418645040682288E-11 2.004269415860659E-10 2.597013655605956E-12
node 3.468984637423627E-15 -1.313558469851752E-14 -1.418645040682288E-11 3.479800093398035E-10 -3.445068154360813E-10 -2.625555021428148E-11
peri 6.239665491068162E-14 -1.55879173193909E-13 2.004269415860659E-10 -3.445068154360813E-10 3.840387943701943E-10 2.634583287057558E-11
i 2.341894284925566E-15 -6.512262232751701E-15 2.597013655605956E-12 -2.625555021428148E-11 2.634583287057558E-11 2.141605620807582E-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 13.94   n/a MPCxxxxx  
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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