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22372 (1993 TD28)
Classification: Main-belt Asteroid          SPK-ID: 2022372
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05606855267696536 3.6243e-08  
a 3.055970831440981 1.6541e-08 au
q 2.884626969899063 1.0618e-07 au
i 3.901872255651038 3.9198e-06 deg
node 173.2398699512727 4.8803e-05 deg
peri 141.4592262992433 5.9562e-05 deg
M 94.67764752218217 3.3469e-05 deg
tp 2458687.322990625571
(2019-Jul-22.82299063)
0.00018159 TDB
period 1951.291864655915
5.34
1.5842e-05
4.337e-08
d
yr
n .1844931588763023 1.4979e-09 deg/d
Q 3.227314692982899 1.7468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1298  
   data-arc span      10456 days (28.63 yr)  
   first obs. used      1992-06-27  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55063  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:05:06  

Additional Information
 Earth MOID = 1.87027 au 
 Jupiter MOID = 1.94268 au 
 T_jup = 3.229 
[ 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 14.2   n/a MPO412350  
diameter diameter 8.407 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22372 (1993 TD28)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TD28 = 1992 MN 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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