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13172 (1996 AO)
Classification: Main-belt Asteroid          SPK-ID: 2013172
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 .1910257098414177 3.3501e-08  
a 2.425528005633684 9.5651e-09 au
q 1.962189796617271 8.376e-08 au
i 10.71658398081609 4.6212e-06 deg
node 302.5198003321199 2.103e-05 deg
peri 97.11419119423418 2.5381e-05 deg
M 219.9480844423755 1.4338e-05 deg
tp 2459537.277643642667
(2021-Nov-18.77764364)
5.6483e-05 TDB
period 1379.773714211366
3.78
8.1617e-06
2.235e-08
d
yr
n .2609123483742871 1.5434e-09 deg/d
Q 2.888866214650096 1.1392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      11955 days (32.73 yr)  
   first obs. used      1987-09-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:34:05  

Additional Information
 Earth MOID = 1.00426 au 
 Jupiter MOID = 2.60296 au 
 T_jup = 3.462 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457111.5 (2015-Mar-30.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1904822775763149 3.3251e-08  
q 1.964388421047 8.2958e-08 au
tp 2456779.326817098483
(2014-May-01.82681710)
5.1029e-05 TDB
node 302.5686914343593 2.1014e-05 deg
peri 97.42604795100122 2.5408e-05 deg
i 10.71890195640935 4.622e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1347  
   data-arc span      11955 days (32.73 yr)  
   first obs. used      1987-09-22  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:34:05  

Additional Information
 Jupiter MOID = 2.60296 au 
 T_jup = 3.462 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.105657922590001E-15 -2.747214278109081E-15 -7.432969853148818E-13 1.117164489062839E-14 -2.267816347611546E-13 -1.325414393764591E-15
q -2.747214278109081E-15 6.882100913615519E-15 1.876197034512378E-12 -2.795230692302775E-14 5.742289083231845E-13 3.878222700989591E-15
tp -7.432969853148818E-13 1.876197034512378E-12 2.603995761002303E-9 -1.8601074691077E-11 7.427807431676743E-10 5.074906811829053E-12
node 1.117164489062839E-14 -2.795230692302775E-14 -1.8601074691077E-11 4.415908825951149E-10 -4.387278811829154E-10 3.741259870852862E-11
peri -2.267816347611546E-13 5.742289083231845E-13 7.427807431676743E-10 -4.387278811829154E-10 6.455809728056527E-10 -3.538055290250663E-11
i -1.325414393764591E-15 3.878222700989591E-15 5.074906811829053E-12 3.741259870852862E-11 -3.538055290250663E-11 2.136333094955376E-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 14.3   n/a MPO337370  
diameter diameter 4.947 km 1.626 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.181   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

13172 (1996 AO)          Discovered 1996-Jan-11 by Kobayashi, T. at Oizumi
Reference: 20000124/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 AO = 1987 SF14 = 1998 PN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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