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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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

[ show close-approach data ]
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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