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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
286 Iclea
Classification: Main-belt Asteroid          SPK-ID: 2000286
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02822273062593149 4.0278e-08  
a 3.195584063813196 1.5523e-08 au
q 3.105395955587677 1.2863e-07 au
i 17.897698623 4.3606e-06 deg
node 149.0875864386069 1.4519e-05 deg
peri 211.67401507073 8.5207e-05 deg
M 223.9016486213039 8.6364e-05 deg
tp 2459389.313183817076
(2021-Jun-23.81318382)
0.00050281 TDB
period 2086.525981376426
5.71
1.5204e-05
4.163e-08
d
yr
n .1725355941949582 1.2572e-09 deg/d
Q 3.285772172038715 1.5961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2723  
   data-arc span      44432 days (121.65 yr)  
   first obs. used      1898-02-18  
   last obs. used      2019-10-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44524  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 01:51:42  

Additional Information
 Earth MOID = 2.10386 au 
 Jupiter MOID = 1.88862 au 
 T_jup = 3.119 
[ 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 9.0   n/a MPO347512  
diameter diameter 94.30 km 2.6 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 13
rotation period rot_per 15.365 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Cooney, W.R.; Pravec, P. (2002) Minor Planet Bull. 29, 48-49.]
[Marciniak, A.; Pilcher, F.; Santana-Ros, T.; Oszkiewicz; Kankiewicz, P. (2014) ACM 2014, Poster 57.]
geometric albedo albedo 0.0508   0.003 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 13
B-V BV 0.690   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.72 deg.
U-B UB 0.328   0.033 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=8.72 deg.
Tholen spectral type spec_T CX   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Ch   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)

286 Iclea          Discovered 1889-Aug-03 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-11 17:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin