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JPL Small-Body Database Browser
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18232 (3322 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2018232
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241254163068154 4.5765e-08  
a 2.586693954276315 1.3543e-08 au
q 2.006950094915813 1.1892e-07 au
i 15.35917274548264 4.538e-06 deg
node 8.378356319349049 1.3708e-05 deg
peri 350.2248788198666 1.561e-05 deg
M 132.7727082747141 8.0365e-06 deg
tp 2458440.068790859709
(2018-Nov-17.56879086)
3.2161e-05 TDB
period 1519.553513008575
4.16
1.1934e-05
3.267e-08
d
yr
n .2369116960463164 1.8606e-09 deg/d
Q 3.166437813636816 1.6578e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2335  
   data-arc span      30810 days (84.35 yr)  
   first obs. used      1935-09-28  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38213  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:21:53  

Additional Information
 Earth MOID = 1.00571 au 
 Jupiter MOID = 2.28992 au 
 T_jup = 3.337 
[ 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 13.9   n/a MPO502307  
diameter diameter 6.797 km 0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 10.990 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.098   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18232 (3322 T-1)          Discovered 1971-Mar-26 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 3322 T-1 = 1935 SB2 = 2000 EV36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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