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368 Haidea (A893 KC)
Classification: Main-belt Asteroid          SPK-ID: 2000368
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 98 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010178599497161 3.4232e-08  
a 3.074723203567551 1.227e-08 au
q 2.456648925248667 1.0468e-07 au
i 7.795200837706441 3.7766e-06 deg
node 226.3231098759609 2.9471e-05 deg
peri 95.22504696650418 3.0949e-05 deg
M 165.8417452923733 1.1197e-05 deg
tp 2458093.308810862766
(2017-Dec-05.80881086)
5.9428e-05 TDB
period 1969.27997539847
5.39
1.1788e-05
3.227e-08
d
yr
n .1828079320855108 1.0943e-09 deg/d
Q 3.692797481886436 1.4737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3123  
   data-arc span      42008 days (115.01 yr)  
   first obs. used      1905-11-01  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41643  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:53:02  

Additional Information
 Earth MOID = 1.4598 au 
 Jupiter MOID = 1.74581 au 
 T_jup = 3.184 
[ 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 9.9   n/a MPO492753 IRAS observations used: 11
diameter diameter 69.277 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.823 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Fauerbach, M.; Marks, S.A.; Lucas, M.P. (2008) Minor Planet Bull. 35, 44-46.]
geometric albedo albedo 0.038   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.734   0.021 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.28, mean=3.34, max.=3.40) deg.
U-B UB 0.292   0.041 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=3.28, mean=3.34, max.=3.40) deg.
Tholen spectral type spec_T D   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

368 Haidea (A893 KC)          Discovered 1893-May-19 by Charlois, A. at Nice
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
1906-Oct-12 02:26 00:02 Jupiter 1.75149507056357 1.75149445163091 1.75149568949781 2.63844304269426 2.44830191374404 2417495.601312091 1.90369711625474 139.210295414286 17.1443934379465 -89.0904548360156 1676251.50908412 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
1956-Mar-21 08:38 00:01 Jupiter 1.83555694308388 1.83555635097982 1.83555753518794 1.30746778877914 0.886886028438236 2435553.859602806 1.12725881661526 280.809346014969 88.497140181965 -25.3212391388167 2260554.30584741 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
1965-Sep-20 22:27 < 00:01 Jupiter 1.82501345798023 1.82501295129636 1.82501396466431 3.11712078578577 2.96449067889827 2439024.435347600 0.838177430460987 75.7306848586992 14.9191580171751 -82.4070976025875 2351835.59406317 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
2015-Feb-18 00:08 < 00:01 Jupiter 1.7730374205512 1.77303698277619 1.773037858337 1.16808652472782 0.639513990297758 2457071.505816345 0.238179043269454 663.120930061996 138.988038976769 -37.74585610565 5517597.06026518 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
2024-Sep-02 15:42 < 00:01 Jupiter 1.918285430167 1.91828504385177 1.91828581648212 3.65462609207966 3.53174010030683 2460556.154438929 0.288160584141385 43.7331644168375 15.556371309879 -83.3581034084334 3471294.54619033 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
2074-Jan-18 22:57 00:01 Jupiter 1.73962899916147 1.73962855657608 1.73962944174863 1.31740666141504 0.872790685713602 2478591.456393248 1.23020534704115 573.229142193094 70.1073315034707 -52.3286473454763 5485096.81030582 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
2132-Dec-24 07:11 00:02 Jupiter 1.73816510932506 1.73816468547084 1.73816553317987 1.65650796428758 1.33018862183007 2500114.799032491 2.34739434239096 280.770556809975 74.3859679681918 -49.7902496313393 1770127.43460979 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
2182-Jun-14 09:48 00:03 Jupiter 1.94392231281144 1.94392110061018 1.94392352501711 2.2072277386838 2.00009927838622 2518183.908276084 3.1750594958626 202.722694972512 21.6914880004198 82.6646684090078 1863168.35747319 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53
2191-Dec-01 00:35 00:03 Jupiter 1.76697716851344 1.76697651216586 1.76697782486012 2.10248610463614 1.86057058653856 2521640.524001544 3.44578111494021 116.683777218226 79.7312151273424 59.7853875815001 699658.020517177 T 98 CATAB v2.0f-lin.ifort 2020-Dec-18 01:53:11 2020-Dec-18 01:53

Alternate Designations
 A893 KC = A905 VH = A921 TA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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