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JPL Small-Body Database Browser
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27388 (2000 ET86)
Classification: Main-belt Asteroid          SPK-ID: 2027388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1518016220113641 2.7339e-08  
a 2.689598219714097 1.0571e-08 au
q 2.28131284740262 7.3002e-08 au
i 12.16914544311352 4.0105e-06 deg
node 193.1143449135199 1.3668e-05 deg
peri 107.8713533446759 1.8878e-05 deg
M 96.90912019644446 1.2776e-05 deg
tp 2458566.797735417778
(2019-Mar-24.29773542)
5.7065e-05 TDB
period 1611.126124487593
4.41
9.4986e-06
2.601e-08
d
yr
n .2234461936457616 1.3174e-09 deg/d
Q 3.097883592025574 1.2176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      8685 days (23.78 yr)  
   first obs. used      1996-04-09  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:02:34  

Additional Information
 Earth MOID = 1.30188 au 
 Jupiter MOID = 2.24305 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457028.5 (2015-Jan-06.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1529326038595632 2.7304e-08  
q 2.278178015049222 7.3059e-08 au
tp 2456957.919415961609
(2014-Oct-27.41941596)
5.7399e-05 TDB
node 193.1454013258243 1.3655e-05 deg
peri 108.2796314870121 1.8818e-05 deg
i 12.1756607106972 4.0131e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      8685 days (23.78 yr)  
   first obs. used      1996-04-09  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 01:02:34  

Additional Information
 Jupiter MOID = 2.24305 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.455172979552177E-16 -1.979766951886811E-15 3.675673087749906E-13 1.294416276600366E-15 6.845980085613037E-14 -3.115272533140616E-17
q -1.979766951886811E-15 5.3376457466218E-15 -1.072663781715488E-12 -4.332607067601885E-15 -2.018388100434166E-13 2.736847924358439E-16
tp 3.675673087749906E-13 -1.072663781715488E-12 3.294675988018559E-9 -8.539669514413733E-13 7.492503549672098E-10 -7.746030588013786E-13
node 1.294416276600366E-15 -4.332607067601885E-15 -8.539669514413733E-13 1.864574915725211E-10 -1.822058661355385E-10 -1.589344608125272E-12
peri 6.845980085613037E-14 -2.018388100434166E-13 7.492503549672098E-10 -1.822058661355385E-10 3.541285279421997E-10 1.392387270125864E-12
i -3.115272533140616E-17 2.736847924358439E-16 -7.746030588013786E-13 -1.589344608125272E-12 1.392387270125864E-12 1.610495009672241E-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 13.9   n/a MPO435954  
diameter diameter 5.017 km 0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.641 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.168   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27388 (2000 ET86)          Discovered 2000-Mar-08 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ 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
1962-Jun-26 19:17 < 00:01 Amphi 0.0394483660256928 0.0394475349587561 0.03944919797134 7.12786817469444 7.12786815424957 2437842.303763354 0.58604383871673 425.056824937873 29.851839529435 86.1100910290154 197201.184777941 T 33 CATAB v2.0f-lin.ifort 2020-Feb-23 01:02:47 2020-Feb-23 01:02
2028-May-05 07:23 < 00:01 Eunom 0.00916535939757986 0.00916195458900746 0.00916876487471998 7.92979499342715 7.92979480028261 2461896.807605131 0.318154692671816 211.010074631796 29.6287029032959 -36.8627809038036 28232.3792852558 T 33 CATAB v2.0f-lin.ifort 2020-Feb-23 01:02:47 2020-Feb-23 01:02
2138-Oct-13 22:12 < 00:01 Thisb 0.00801919334300267 0.00799317178033347 0.0080452150551347 4.54329086778175 4.54329068063877 2502234.424793114 0.979444557456088 1298.19193658285 26.8966186037515 2.41151943884256 2086.77126458716 T 33 CATAB v2.0f-lin.ifort 2020-Feb-23 01:02:47 2020-Feb-23 01:02
2196-Jan-02 20:23 00:03 Eunom 0.0322826678495211 0.0322525921331151 0.0323127581304645 7.97159408797707 7.97159403342901 2523134.349428945 2.77596634869801 1848.86166627853 29.1124460639617 35.7943815620865 97018.1655722953 T 33 CATAB v2.0f-lin.ifort 2020-Feb-23 01:02:47 2020-Feb-23 01:02

Alternate Designations
 2000 ET86 = 1997 TP15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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