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72219 (2001 AC7)
Classification: Main-belt Asteroid          SPK-ID: 2072219
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05342914624502795 4.7893e-08  
a 2.390879745110794 1.4152e-08 au
q 2.263137081554995 1.1943e-07 au
i 9.833779966035271 4.5053e-06 deg
node 116.0072063597432 2.5107e-05 deg
peri 84.87698744867271 5.064e-05 deg
M 52.64400498668092 4.2216e-05 deg
tp 2459003.038947790750
(2020-Jun-02.53894779)
0.00015843 TDB
period 1350.314794881486
3.70
1.1989e-05
3.282e-08
d
yr
n .2666044994579183 2.3671e-09 deg/d
Q 2.518622408666594 1.4908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1998-04-23  
   last obs. used      2020-05-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53764  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:00:52  

Additional Information
 Earth MOID = 1.2849 au 
 Jupiter MOID = 2.4889 au 
 T_jup = 3.510 
[ show covariance matrix ]

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 15.86   n/a E2021B10  
diameter diameter 2.347 km 0.672 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72219 (2001 AC7)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 AC7 = 1998 HC112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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