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1483 Hakoila (1938 DJ1)
Classification: Main-belt Asteroid          SPK-ID: 2001483
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777595559485633 3.2387e-08  
a 2.719983381059695 8.7815e-09 au
q 2.236480343055052 8.7086e-08 au
i 4.490147907858099 3.2582e-06 deg
node 71.85960716247548 4.6654e-05 deg
peri 88.39781878527532 4.7583e-05 deg
M 132.8922895052566 1.078e-05 deg
tp 2458395.653620300012
(2018-Oct-04.15362030)
4.7854e-05 TDB
period 1638.505119466565
4.49
7.9349e-06
2.172e-08
d
yr
n .2197124657853998 1.064e-09 deg/d
Q 3.203486419064338 1.0342e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2752  
   data-arc span      24056 days (65.86 yr)  
   first obs. used      1954-12-21  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43455  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:32  

Additional Information
 Earth MOID = 1.25062 au 
 Jupiter MOID = 1.79261 au 
 T_jup = 3.332 
[ 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 11.9   n/a MPO395005  
diameter diameter 10.633 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 239.1 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:
[Polakis, T. (2019) Minor Planet Bull. 46-4, in press.]
geometric albedo albedo 0.237   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B Sq   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1483 Hakoila (1938 DJ1)          Discovered 1938-Feb-24 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1926-Sep-30 19:08 00:01 Jupiter 1.85408056820495 1.85408006772374 1.85408106868732 1.61967017058776 1.30753461529132 2424789.297056225 1.30830754741798 127.311514460265 39.2970923763183 71.5863450679287 2963733.93767008 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18
1962-Oct-25 12:44 < 00:01 Jupiter 1.79293676647172 1.79293649047168 1.79293704247175 1.47124275911042 1.10440551575442 2437963.030239855 0.758149977538904 120.162460870405 84.0898796332497 70.9607311994593 2546397.58765728 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18
1998-Nov-14 17:46 < 00:01 Jupiter 1.80135317299437 1.80135287188901 1.80135347409972 1.61356749429015 1.28963983715588 2451132.240469762 0.255488036182332 90.6027477516078 56.3146717916212 78.0530218822066 2488413.48991881 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18
2034-Dec-10 14:33 < 00:01 Jupiter 1.87211017510837 1.87210990390796 1.87211044630868 2.01182821863236 1.77272881522913 2464307.106411937 0.313623138825909 68.2680619943292 16.6345028899918 -86.6364794762494 3044043.19069154 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18
2071-Jan-09 01:23 < 00:01 Jupiter 1.9900377141626 1.99003727039754 1.99003815792755 2.61615457458849 2.44806086133 2477485.557404936 0.804164484737242 52.0536356948206 10.5345056557052 -89.2152350507755 2721612.34811571 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18
2128-May-12 23:47 00:02 Jupiter 1.87583685642309 1.87583609946902 1.87583761337854 1.70485931759447 1.41543550839192 2498428.491292324 1.55190955661278 137.132461846438 27.8850450545196 70.1730235924284 2959917.32925799 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18
2164-Jun-07 22:47 00:02 Jupiter 1.80562120242281 1.80562067679065 1.80562172806204 1.51064095796544 1.15923677056454 2511603.449166332 2.00041082574199 247.02119544779 66.5854815435877 79.706696707786 2869392.98986652 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18
2200-Jun-30 21:05 00:03 Jupiter 1.78492170941378 1.78492141830888 1.78492200051847 1.56160845028793 1.22046486601599 2524774.378256476 2.50484676346618 218.367378191464 77.7075280136765 -73.4397387181328 2105343.41167638 T 34 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:40 2020-Nov-13 04:18

Alternate Designations
 1938 DJ1 = 1929 CG = 1963 VK = 1975 QE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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