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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2241254172847441 4.5236e-08  
a 2.586693953995075 1.3363e-08 au
q 2.006950092168004 1.1724e-07 au
i 15.35917322247579 4.4352e-06 deg
node 8.378356831529221 1.368e-05 deg
peri 350.2248783436692 1.5568e-05 deg
M 132.7727083639576 8.0433e-06 deg
tp 2458440.068790574414
(2018-Nov-17.56879057)
3.2185e-05 TDB
period 1519.553512760754
4.16
1.1775e-05
3.224e-08
d
yr
n .236911696084954 1.8359e-09 deg/d
Q 3.166437815822146 1.6358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2414  
   data-arc span      30885 days (84.56 yr)  
   first obs. used      1935-09-28  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:46:39  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1985-Dec-28 02:43 < 00:01 Eunom 0.0220430041729205 0.0220381027507553 0.0220479057001594 6.76095908142665 6.76095898723448 2446427.612964424 0.492080924816703 256.37530749238 52.1416629148328 18.0215105460619 23063.8687401422 T 30 CATAB v2.0f-lin.ifort 2020-May-20 04:46:50 2020-May-20 04:46
2135-Apr-11 03:40 00:01 Hebe 0.0470936920362413 0.0470773645334555 0.0471100295079366 10.8660400634274 10.8660400512789 2500952.652482281 1.36984119592805 1354.40659470681 47.7284204482562 53.0862804718839 118048.315547629 T 30 CATAB v2.0f-lin.ifort 2020-May-20 04:46:50 2020-May-20 04:46

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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