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20072 (1994 AG1)
Classification: Main-belt Asteroid          SPK-ID: 2020072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655727867004602 3.561e-08  
a 2.362368123050781 7.3348e-09 au
q 1.971224249704927 8.1335e-08 au
i 5.122396065378656 3.0399e-06 deg
node 159.3042532904141 4.3029e-05 deg
peri 16.09135087797511 4.4495e-05 deg
M 55.49824743876145 1.1526e-05 deg
tp 2458796.045555576930
(2019-Nov-08.54555558)
4.2192e-05 TDB
period 1326.232870209493
3.63
6.1766e-06
1.691e-08
d
yr
n .2714455417947332 1.2642e-09 deg/d
Q 2.753511996396635 8.5492e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      9743 days (26.67 yr)  
   first obs. used      1994-01-06  
   last obs. used      2020-09-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49858  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:04:56  

Additional Information
 Earth MOID = .976636 au 
 Jupiter MOID = 2.20882 au 
 T_jup = 3.526 
[ 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 15.2   n/a MPO426003  
diameter diameter 5.391 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20072 (1994 AG1)          Discovered 1994-Jan-07 by Kobayashi, T. at Oizumi
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 AG1 = 1998 HB4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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