Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 105 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2012862274974374 1.5251e-08  
a 3.073766653156147 1.0869e-08 au
q 2.455059759334922 5.0927e-08 au
i 7.796373556919281 6.1577e-07 deg
node 226.2993158030218 4.9926e-06 deg
peri 95.33946850597601 7.714e-06 deg
M 238.1289448659484 8.7559e-06 deg
tp 2460062.850670896704
(2023-Apr-28.35067090)
5.0048e-05 TDB
period 1968.361078509999
5.39
1.0441e-05
2.859e-08
d
yr
n .1828932729519886 9.7012e-10 deg/d
Q 3.692473546977372 1.3057e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3643  
   data-arc span      42234 days (115.63 yr)  
   first obs. used      1905-11-01  
   last obs. used      2021-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39561  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 10:57:32  

Additional Information
 Earth MOID = 1.45756 au 
 Jupiter MOID = 1.74597 au 
 T_jup = 3.185 
[ 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 9.95   n/a MPCxxxxx 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jul-24 21:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin