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JPL Small-Body Database Browser
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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

[ 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
1987-Apr-13 07:46 < 00:01 Jupiter 1.99970997489785 1.99970945751764 1.99971049227829 5.32986266849082 5.24978958649323 2446898.823727437 0.540937033693267 61.6484603835871 20.0906718606519 74.3545349558042 4182407.74786106 T 33 CATAB v2.0f-lin.ifort 2019-Nov-07 01:51:54 2019-Nov-07 01:51
1998-May-03 03:34 < 00:01 Jupiter 1.90141354208621 1.90141315105819 1.90141393311433 5.75071642329406 5.67272417494368 2450936.648796042 0.315812824663504 55.89255671653 17.8818741199244 83.3500224750742 4578525.90749351 T 33 CATAB v2.0f-lin.ifort 2019-Nov-07 01:51:54 2019-Nov-07 01:51
2009-Jun-03 00:37 < 00:01 Jupiter 1.96869769864747 1.96869726606156 1.96869813123338 5.67654837782499 5.60024207588914 2454985.525436507 0.225771689053969 54.4462701509235 20.7162473290522 -86.568464332762 4678356.62525396 T 33 CATAB v2.0f-lin.ifort 2019-Nov-07 01:51:54 2019-Nov-07 01:51
2152-Jul-13 11:14 00:03 Jupiter 1.9027782060859 1.90277775401781 1.90277865815963 5.7182823597501 5.63989825331254 2507255.968347329 2.82085374736241 328.103009161034 18.8280324979203 87.9048138904734 4524719.43403568 T 33 CATAB v2.0f-lin.ifort 2019-Nov-07 01:51:54 2019-Nov-07 01:51
2163-Aug-14 01:19 00:03 Jupiter 1.96611178201748 1.96611063405062 1.96611293000076 5.69777159637846 5.62165271363925 2511304.554557062 3.02789257341045 312.607290116291 21.1179777632928 -80.067968891298 4651074.50138739 T 33 CATAB v2.0f-lin.ifort 2019-Nov-07 01:51:54 2019-Nov-07 01:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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