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15755 (1992 ET5)
Classification: Main-belt Asteroid          SPK-ID: 2015755
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1663100645317418 3.6823e-08  
a 3.168713379805999 1.732e-08 au
q 2.64172445312787 1.179e-07 au
i 6.842329366528574 4.1199e-06 deg
node 124.4646901580046 3.1183e-05 deg
peri 236.5699968301367 3.3189e-05 deg
M 213.5680626072333 1.3099e-05 deg
tp 2460234.523449132391
(2023-Oct-17.02344913)
7.8645e-05 TDB
period 2060.263949649574
5.64
1.6892e-05
4.625e-08
d
yr
n .1747348926147213 1.4327e-09 deg/d
Q 3.695702306484129 2.0201e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1553  
   data-arc span      10685 days (29.25 yr)  
   first obs. used      1992-03-02  
   last obs. used      2021-06-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53575  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:30:37  

Additional Information
 Earth MOID = 1.64524 au 
 Jupiter MOID = 1.78168 au 
 T_jup = 3.170 
[ 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 13.91   n/a MPO636301  
diameter diameter 8.378 km 0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.252 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.041   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15755 (1992 ET5)          Discovered 1992-Mar-02 by UESAC at La Silla
Reference: 20000726/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
1981-Jun-21 22:15 00:01 Jupiter 1.86934845572916 1.86934794584239 1.86934896561623 2.13882993596975 1.91529927703261 2444777.427309068 1.09526735633156 73.1360912316288 6.27030721425237 -78.2787499792606 2989268.50553622 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 17:30:45 2021-Jul-08 17:30
1992-Apr-09 22:49 < 00:01 Jupiter 1.78470007557902 1.78469969374687 1.78470045741117 2.23578474139967 2.01234417770184 2448722.450986631 0.719249224677869 58.2566857202531 14.5679263621699 -77.583935239176 2665105.55109691 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 17:30:45 2021-Jul-08 17:30
2003-Jan-29 19:58 < 00:01 Jupiter 1.83403869463547 1.83403832856144 1.83403906070951 2.72432158496394 2.54916827916891 2452669.331835838 0.400514398241506 44.2223878542388 11.9899370603614 -84.2412000370239 3110188.55666326 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 17:30:45 2021-Jul-08 17:30
2013-Nov-09 18:37 < 00:01 Jupiter 1.99356358846792 1.99356325044013 1.9935639264957 3.54196033338512 3.41990143112458 2456606.275520328 0.180656196086782 41.6719538922371 13.5905155838643 88.124532699209 4371751.86301441 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 17:30:45 2021-Jul-08 17:30
2100-Mar-21 04:50 00:02 Jupiter 1.86495219852825 1.86495169074902 1.86495270630864 2.07327570249018 1.84122614688958 2488148.701693197 2.05805815575058 119.650961998411 9.31347243428874 -84.1973426561825 2992089.35016118 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 17:30:45 2021-Jul-08 17:30
2111-Jan-07 03:06 00:02 Jupiter 1.79591457775737 1.79591419328417 1.79591496223078 2.20015139597944 1.97418061625497 2492092.629165431 2.36727150096654 142.019165026017 14.781774399053 -81.5518292744675 2659226.05649602 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 17:30:45 2021-Jul-08 17:30
2121-Oct-27 15:44 00:03 Jupiter 1.8529606499561 1.8529600742393 1.85296122567448 2.76200886816916 2.59122675118722 2496039.155259445 2.73708274504 129.375025612507 13.7109237035721 87.0744289369758 3106475.82980939 T 33 CATAB v2.0g-lin.ifort 2021-Jul-08 17:30:45 2021-Jul-08 17:30

Alternate Designations
 1992 ET5 = 1998 FS94 = 1999 JQ79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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