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22428 (1996 DT)
Classification: Main-belt Asteroid          SPK-ID: 2022428
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05466822912882686 4.2361e-08  
a 2.993695668609673 1.5443e-08 au
q 2.830035627856143 1.273e-07 au
i 10.63066028373069 4.3956e-06 deg
node 151.4455528518976 2.3791e-05 deg
peri 78.06682959598209 4.5169e-05 deg
M 224.6969088104979 3.9522e-05 deg
tp 2459911.574522565385
(2022-Nov-28.07452257)
0.00020947 TDB
period 1891.951069802313
5.18
1.4639e-05
4.008e-08
d
yr
n .1902797623818124 1.4723e-09 deg/d
Q 3.157355709363203 1.6287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1812  
   data-arc span      9155 days (25.07 yr)  
   first obs. used      1996-02-19  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:06:13  

Additional Information
 Earth MOID = 1.8445 au 
 Jupiter MOID = 1.87323 au 
 T_jup = 3.227 
[ 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 13.4   n/a MPO502331  
diameter diameter 7.535 km 0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 0.92 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.179   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22428 (1996 DT)          Discovered 1996-Feb-19 by Kobayashi, T. at Oizumi
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1996 DT = 1998 QJ101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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