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72256 (2001 AQ32)
Classification: Main-belt Asteroid          SPK-ID: 2072256
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1257593610927882 3.845e-08  
a 2.327526708083139 9.078e-09 au
q 2.034818436348203 8.9e-08 au
i 6.917158231889938 4.0786e-06 deg
node 68.44333331290235 3.4697e-05 deg
peri 120.745280577791 3.7981e-05 deg
M 203.8727769714634 1.6573e-05 deg
tp 2459958.992286095571
(2023-Jan-14.49228610)
6.0883e-05 TDB
period 1297.001375329615
3.55
7.588e-06
2.077e-08
d
yr
n .2775633140007358 1.6239e-09 deg/d
Q 2.620234979818075 1.022e-08 au
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      10714 days (29.33 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:04  

Additional Information
 Earth MOID = 1.04512 au 
 Jupiter MOID = 2.34953 au 
 T_jup = 3.553 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457055.5 (2015-Feb-02.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251030507232033 3.8393e-08  
q 2.036935564902553 8.8878e-08 au
tp 2457363.518463519470
(2015-Dec-07.01846352)
5.7315e-05 TDB
node 68.52597150020702 3.4654e-05 deg
peri 120.6866525792397 3.7987e-05 deg
i 6.920773657348637 4.0803e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      923  
   data-arc span      10714 days (29.33 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-09-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:01:04  

Additional Information
 Jupiter MOID = 2.34953 au 
 T_jup = 3.553 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.474054573601157E-15 -3.398839556956189E-15 7.82260954011833E-14 9.107057292110695E-15 7.58646571483986E-15 -2.727180716399185E-16
q -3.398839556956189E-15 7.899261994028943E-15 -1.202507782351467E-13 -2.087367955936245E-14 -6.225105298379816E-15 8.096161299986658E-16
tp 7.82260954011833E-14 -1.202507782351467E-13 3.28496338226868E-9 -3.912394050669675E-12 9.084753772856903E-10 1.324861424139495E-12
node 9.107057292110695E-15 -2.087367955936245E-14 -3.912394050669675E-12 1.200878060654561E-9 -1.192704612522837E-9 -1.661913085845387E-11
peri 7.58646571483986E-15 -6.225105298379816E-15 9.084753772856903E-10 -1.192704612522837E-9 1.44298979610668E-9 1.683116942542283E-11
i -2.727180716399185E-16 8.096161299986658E-16 1.324861424139495E-12 -1.661913085845387E-11 1.683116942542283E-11 1.66490238041385E-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 15.54   n/a E2021B10  
diameter diameter 2.729 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72256 (2001 AQ32)          Discovered 2001-Jan-04 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 AQ32 = 1998 HU107 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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