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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2011553310371811 3.3827e-08  
a 3.074355430652625 1.1774e-08 au
q 2.455932446273741 1.0371e-07 au
i 7.795419409879685 3.6266e-06 deg
node 226.3100496256739 2.9199e-05 deg
peri 95.27630225389525 3.0593e-05 deg
M 202.3509699769964 1.1173e-05 deg
tp 2460062.720495929402
(2023-Apr-28.22049593)
6.3298e-05 TDB
period 1968.926662531906
5.39
1.131e-05
3.097e-08
d
yr
n .1828407359454742 1.0503e-09 deg/d
Q 3.692778415031509 1.4142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3284  
   data-arc span      42084 days (115.22 yr)  
   first obs. used      1905-11-01  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:59  

Additional Information
 Earth MOID = 1.45718 au 
 Jupiter MOID = 1.74594 au 
 T_jup = 3.184 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456473.5 (2013-Jun-30.0) TDB
Reference: JPL 100 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2005402985039813 3.3966e-08  
q 2.456145626946927 1.0421e-07 au
tp 2456106.984046336321
(2012-Jun-28.48404634)
5.5091e-05 TDB
node 227.3746512214069 2.921e-05 deg
peri 91.85530087950187 3.0586e-05 deg
i 7.791530249122202 3.6293e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3284  
   data-arc span      42084 days (115.22 yr)  
   first obs. used      1905-11-01  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40995  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:45:59  

Additional Information
 Jupiter MOID = 1.74594 au 
 T_jup = 3.184 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.153695999576889E-15 -3.525074155085714E-15 -2.979521699945256E-14 7.004944385816476E-15 -2.022743000882752E-14 5.827880581873836E-16
q -3.525074155085714E-15 1.085897032256473E-14 2.503908954158265E-13 -2.303034393086314E-14 9.075825794957405E-14 -1.126655728773144E-15
tp -2.979521699945256E-14 2.503908954158265E-13 3.034979811210263E-9 5.416130104644707E-13 5.288067451721553E-10 4.131364436247847E-12
node 7.004944385816476E-15 -2.303034393086314E-14 5.416130104644707E-13 8.532412118332233E-10 -8.445061798716962E-10 4.278387095963703E-12
peri -2.022743000882752E-14 9.075825794957405E-14 5.288067451721553E-10 -8.445061798716962E-10 9.354747217828276E-10 -3.715511558249826E-12
i 5.827880581873836E-16 -1.126655728773144E-15 4.131364436247847E-12 4.278387095963703E-12 -3.715511558249826E-12 1.317171753614826E-11

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 9.96   n/a E2021B10 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 1.75149508567708 1.751494476114 1.75149569524165 2.63844310434032 2.44830198188211 2417495.601216901 1.84313244434977 135.466854887117 16.5564444345128 -89.0519243276851 1746109.68474477 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
1956-Mar-21 08:38 00:01 Jupiter 1.83555689419289 1.83555631909355 1.83555746929223 1.30746755535581 0.88688567046152 2435553.859529523 1.09701621036937 274.744139303096 87.7185691805508 -25.6171254400438 2297139.03131197 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
1965-Sep-20 22:27 < 00:01 Jupiter 1.82501346242221 1.82501296333968 1.82501396150495 3.11712068822356 2.96449057669402 2439024.435312884 0.814353986866753 74.1274023427122 14.6503969616574 -82.3835943483489 2430819.97229258 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
2015-Feb-18 00:08 < 00:01 Jupiter 1.77303739765096 1.77303697144522 1.77303782386717 1.16808643498658 0.639513816735099 2457071.505840003 0.228331237609072 649.843148020529 138.732985480302 -37.6000851392582 5530897.48053965 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
2024-Sep-02 15:42 < 00:01 Jupiter 1.91828540363651 1.91828503193769 1.91828577533532 3.65462583993396 3.53173983765867 2460556.154460626 0.277015190952943 43.0514862359068 15.118442948399 -84.1711408510041 3637832.15384409 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
2074-Jan-18 22:57 00:01 Jupiter 1.73962898227099 1.73962855038265 1.73962941416062 1.31740638991987 0.872790270497203 2478591.456476198 1.17964452061161 547.273353872477 68.4175687925092 -52.2032966088535 5562339.19136925 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
2132-Dec-24 07:11 00:02 Jupiter 1.73816507469214 1.73816466740437 1.73816548198022 1.6565073566746 1.33018785785912 2500114.799187922 2.25768892369553 269.69037953727 70.576537838595 -49.8947039846727 1879720.53589506 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
2182-Jun-14 09:48 00:03 Jupiter 1.94392241076149 1.94392124626765 1.94392357525942 2.20722836307596 2.000099978417 2518183.908473402 3.05280989598714 194.661989140962 21.6669820443965 82.623625631719 1917880.07632785 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46
2191-Dec-01 00:35 00:03 Jupiter 1.7669770945783 1.76697647474667 1.76697771440922 2.10248521004657 1.86056956485192 2521640.524218604 3.31771306792136 111.217616970427 76.7838302973128 58.9159972292452 732202.426801358 T 100 CATAB v2.0f-lin.ifort 2021-Feb-24 00:46:07 2021-Feb-24 00:46

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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