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22209 (1056 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2022209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1332431067353633 4.7166e-08  
a 2.644205644204738 1.2339e-08 au
q 2.291883469323716 1.2596e-07 au
i 11.54983424167443 5.5575e-06 deg
node 345.7978865747801 1.7321e-05 deg
peri 218.4040552351623 2.3585e-05 deg
M 186.1011592792775 1.8201e-05 deg
tp 2459959.139506106736
(2023-Jan-14.63950611)
8.1709e-05 TDB
period 1570.512034850385
4.30
1.0993e-05
3.01e-08
d
yr
n .2292246044674821 1.6044e-09 deg/d
Q 2.996527819085761 1.3983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1384  
   data-arc span      18191 days (49.80 yr)  
   first obs. used      1971-03-24  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:02:33  

Additional Information
 Earth MOID = 1.30123 au 
 Jupiter MOID = 2.01203 au 
 T_jup = 3.352 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.41   n/a E2021B10  
diameter diameter 7.034 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.249 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.084   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

22209 (1056 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1056 T-1 = 1232 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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