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JPL Small-Body Database Browser
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85255 (1993 TZ13)
Classification: Main-belt Asteroid          SPK-ID: 2085255
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203868141476154 4.9947e-08  
a 3.108147097327506 2.5781e-08 au
q 2.474494925160844 1.5395e-07 au
i 10.42500141965027 5.0793e-06 deg
node 185.7555788342663 2.8779e-05 deg
peri 190.7193114000733 3.1029e-05 deg
M 249.2475272598596 1.3155e-05 deg
tp 2459216.246148180165
(2021-Jan-01.74614818)
7.7553e-05 TDB
period 2001.477780680911
5.48
2.4902e-05
6.818e-08
d
yr
n .1798670979387673 2.2379e-09 deg/d
Q 3.741799269494167 3.1037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      651  
   data-arc span      13458 days (36.85 yr)  
   first obs. used      1982-10-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55029  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:53:42  

Additional Information
 Earth MOID = 1.47572 au 
 Jupiter MOID = 1.71821 au 
 T_jup = 3.162 
[ 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 14.5   n/a MPO439613  
diameter diameter 7.050 km 1.908 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.050   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

85255 (1993 TZ13)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1958-Aug-10 22:07 00:02 Jupiter 1.7833512382335 1.78335024337424 1.78335223309591 2.65831242550192 2.47319685740762 2436426.421709160 2.10867116350656 169.208984462701 35.9529369548048 -76.9951971951524 2038413.37824243 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53
1968-Aug-29 17:53 00:02 Jupiter 1.86166839145374 1.86166753126097 1.86166925164819 2.72421530436004 2.55174221788811 2440098.245092142 1.73072196644282 126.533291599356 27.0434954160619 75.2677647332232 2810879.43948874 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53
2029-May-10 07:02 < 00:01 Jupiter 1.72639706122377 1.72639654191078 1.72639758053666 2.68894603724684 2.49983407728457 2462266.793066317 0.566353419730581 78.8546664619613 27.5606514293596 -89.7645661982591 2053859.24938252 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53
2039-May-23 16:00 00:01 Jupiter 1.98235653441141 1.98235580474971 1.98235726407334 2.83680099762223 2.6819542638725 2465932.166489874 1.01415183168912 78.2601498680655 26.2700196702057 73.6635611278539 3145421.05787208 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53
2090-Feb-12 06:27 00:03 Jupiter 1.98559065664064 1.98558932526703 1.98559198801425 2.47140618928778 2.2923087121499 2484459.768794685 3.00680922480131 84.3518931672456 55.1188471821751 -69.4042017929422 1934785.83643608 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53
2100-Feb-10 15:04 00:03 Jupiter 1.72431326566545 1.72431265225587 1.72431387908296 2.7350700823627 2.54914929850454 2488110.127515310 3.07276760351569 299.088243101865 24.1040312691321 87.1336027806227 2224148.50386818 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53
2160-Oct-31 19:59 00:06 Jupiter 1.86894965535854 1.86894739062394 1.86895192010089 2.39376795308717 2.19629448440908 2510288.332663557 5.71170972932381 245.452623133392 62.6414389773186 -60.7412919334413 1799631.47005979 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53
2170-Nov-13 01:29 00:06 Jupiter 1.77644639241885 1.77644453425715 1.77644825062388 2.80028245825571 2.6244937320875 2513952.562082650 5.6998866860669 476.657942529182 24.0816197544501 80.1330816347063 2548191.90026106 T 14 CATAB v2.0f-lin.ifort 2019-Sep-24 02:53:45 2019-Sep-24 02:53

Alternate Designations
 1993 TZ13 = 1982 UC4 = 1998 QS79 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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