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22239 (4030 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2022239
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06329726784236901 3.8975e-08  
a 2.689914603675549 1.2999e-08 au
q 2.519650358533598 1.0503e-07 au
i 4.23566914546679 3.9152e-06 deg
node 133.8196315105448 6.35e-05 deg
peri 315.6218974106901 7.2822e-05 deg
M 224.584094464194 3.5458e-05 deg
tp 2459806.640556617665
(2022-Aug-15.14055662)
0.00015928 TDB
period 1611.410413857633
4.41
1.1681e-05
3.198e-08
d
yr
n .2234067726658032 1.6195e-09 deg/d
Q 2.860178848817501 1.3822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1094  
   data-arc span      15622 days (42.77 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52442  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:46  

Additional Information
 Earth MOID = 1.53805 au 
 Jupiter MOID = 2.24914 au 
 T_jup = 3.366 
[ 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 14.7   n/a MPO337446  
diameter diameter 4.253 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.155   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22239 (4030 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4030 T-3 = 1995 YH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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