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1980 Tezcatlipoca (1950 LA)
Classification: Amor [NEO]          SPK-ID: 2001980
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 520 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3645634487547003 2.4773e-08  
a 1.709577917567304 1.9578e-09 au
q 1.086328296024089 4.2268e-08 au
i 26.86722511059119 5.0861e-06 deg
node 246.573370426919 7.1352e-06 deg
peri 115.4449626614019 9.7236e-06 deg
M 49.59813910881653 7.5477e-06 deg
tp 2458888.014988352115
(2020-Feb-08.51498835)
1.6977e-05 TDB
period 816.4541033363115
2.24
1.4025e-06
3.84e-09
d
yr
n .4409310927937241 7.5743e-10 deg/d
Q 2.332827539110518 2.6716e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3454  
   data-arc span      25243 days (69.11 yr)  
   first obs. used      1950-06-19  
   last obs. used      2019-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .32535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-19 09:42:22  

Additional Information
 Earth MOID = .245963 au 
 Jupiter MOID = 3.41058 au 
 T_jup = 3.996 
[ 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 13.8   n/a MPO473791  
diameter diameter 4.3 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
rotation period rot_per 7.24612 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Wisniewski, W.Z.; Michalowski, T.M.; Harris, A.W.; McMillan, R.S. (1997) Icarus 126, 395-449; 1995, Lunar & Planetary Sci. XXVI, 1511-1512.]
[Kaasalainen, M.; et al. (2004) Icarus 167, 178-196.]
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Delbo, M.; Durech, J.; Ali-Lagoa, V. (2015) Icarus 256, 101-116.]
[Warner, B.D. (2015) Minor Planet Bull. 42, 256-266.]
[Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]
[Aznar Macias, A.; Predatu, M.; Vaduvescu, O.; Oey, J. (2018) arXiv:1801.09420. Romanian J. Phys. 62, 904 (2017).]
geometric albedo albedo 0.25   n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543  
B-V BV 0.955   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=53.35, mean=53.35, max.=53.36) deg.
U-B UB 0.455   0.060 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=53.35, mean=53.35, max.=53.36) deg.
Tholen spectral type spec_T SU   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices
SMASSII spectral type spec_B Sl   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)

1980 Tezcatlipoca (1950 LA)          Discovered 1950-Jun-19 by Wilson, A. G. at Palomar
and A. A. E. Wallenquist
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
1921-Jul-08 00:32 < 00:01 Earth 0.479008948296226 0.479008693052628 0.479009203547394 12.900607028184 12.900175841002 2422878.522215177 0.153664679576761 163.744770475315 10.3542811292978 87.4038039596847 4709996.8726578 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
1921-Nov-16 02:26 < 00:01 Earth 0.270165648866716 0.270164510782191 0.270166786970991 16.7529416189045 16.7523529124681 2423009.601247426 0.0478051926632145 129.870443223408 9.44371141931178 -64.4038068657912 3518758.12328193 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
1930-Nov-17 10:44 < 00:01 Earth 0.339165787921501 0.339164279927646 0.339167295929506 13.8569985714308 13.8564316276038 2426297.947354102 0.067447943967598 132.867752859654 5.71742970931045 55.6080587683996 7095414.84951826 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
1959-Jul-08 17:04 < 00:01 Earth 0.481969515284843 0.481969297123685 0.481969733446659 12.8672089472469 12.866779296388 2436758.211257130 0.100846487469396 92.870263090127 10.3740138176203 87.9667753147044 4704183.763149 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
1959-Nov-16 16:37 < 00:01 Earth 0.27266578802703 0.27266509051007 0.27266648554974 16.8143152670063 16.8137340878545 2436889.192064734 0.0374449523056372 73.6310691187524 9.50840863847011 -62.7279576151647 3477183.23082359 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
1968-Nov-16 22:23 < 00:01 Earth 0.336965654843843 0.33696488455468 0.336966425136742 13.8743429161682 13.8737729839414 2440177.432487648 0.0418269584045447 68.4425828584665 5.7068263611752 56.1558526857115 7069717.85193049 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
1997-Jul-08 05:19 < 00:01 Earth 0.483877963732007 0.48387775440866 0.483878173055354 12.8440049840451 12.8435762546163 2450637.721383026 0.0547032861129736 26.2911852294881 10.4318982977992 -89.1722439946395 4720195.63032927 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
1997-Nov-16 07:56 < 00:01 Earth 0.274286705361036 0.274286447955297 0.274286962766915 16.8865792225155 16.8860039504118 2450768.830606244 0.0326878396282947 20.1171629497979 9.76439246964895 -61.7275074956054 3500943.80915055 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2006-Nov-17 07:34 < 00:01 Earth 0.33040580058138 0.330405565262921 0.330406035900009 13.9179453059928 13.917365879153 2454056.815103940 0.0291165899810617 17.6825628400306 5.95244542647077 52.6023696971778 6509413.34285817 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2035-Jul-08 15:27 < 00:01 Earth 0.486948085796968 0.486947842909585 0.486948328685154 12.8046721841327 12.8042448491208 2464517.143658374 0.0614903398359626 63.0386857158204 10.4304808499421 84.3171892697955 4723361.79368184 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2035-Nov-17 00:45 < 00:01 Earth 0.278457720325149 0.278457259333193 0.278458181319494 17.0299245950872 17.0293627099647 2464648.531218613 0.0379154197114006 50.1372005999413 9.4142956570853 -64.7958300416643 3651550.96255769 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2044-Nov-16 18:05 < 00:01 Earth 0.325907373936818 0.325906533446864 0.325908214430718 13.9487137001873 13.948127571289 2467936.253349442 0.0406525625712129 70.8914238251083 5.73021963445612 54.0138836628601 6660472.55399354 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2073-Jul-08 02:32 < 00:01 Earth 0.489592004804902 0.489591684914834 0.489592324703487 12.7757352258513 12.7753092358773 2478396.605811036 0.114812569799162 135.113848370821 10.396452976528 84.8472736772641 4741205.89617824 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2073-Nov-16 16:09 < 00:01 Earth 0.282899271514652 0.282898221819057 0.282900321222373 17.1490909869611 17.1485417669184 2478528.172830836 0.0515465048685635 107.552660375957 9.51923983433119 -61.2858214668401 3537579.11590151 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2082-Nov-17 03:15 < 00:01 Earth 0.318276436733814 0.318274914084877 0.318277959397731 13.9996687374754 13.9990707399517 2481815.635644748 0.0587746258022721 133.040460161974 5.82561409300738 55.2784246808763 6432221.18055243 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2111-Jul-09 07:57 < 00:01 Earth 0.492636752846436 0.492636310252069 0.492637195466931 12.7465252817316 12.7461009544404 2492275.831322561 0.173987395882217 203.909340481552 10.3720361894183 84.5102131459192 4782459.02709626 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2111-Nov-18 10:05 < 00:01 Earth 0.288163944361305 0.288162240371023 0.288165648377829 17.3358616756032 17.3353282989958 2492407.920316352 0.0704024198668501 162.071980951701 9.61925234672009 -58.5456899829163 3463444.86542439 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2120-Nov-17 12:34 < 00:01 Earth 0.31090635132879 0.310904251298235 0.310908451391352 14.0535055746191 14.0528957464025 2495695.023344360 0.0740454456424346 189.215631393385 5.95413800172216 56.4384701165162 6168101.20721395 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2149-Jul-08 14:56 < 00:01 Earth 0.49665126266953 0.496650687376228 0.496651838010543 12.712107913328 12.711685876402 2506155.122000407 0.227600715339273 261.910088332434 10.3631586635578 84.132890453507 4818001.38009008 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2149-Nov-18 03:26 < 00:01 Earth 0.296956555887935 0.296954207275025 0.296958904540563 17.5471533520286 17.5466420010451 2506287.643035597 0.0893556669567206 207.964156846847 9.71340958909315 -55.8184789038419 3420934.64670465 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2158-Nov-17 21:28 < 00:01 Earth 0.302914421588947 0.302911886980009 0.302916956249489 14.1153608320877 14.1147376571072 2509574.394545741 0.0823328297741406 234.366915131881 6.07227305164924 57.3941688712812 5909976.88709591 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2187-Jul-08 20:39 < 00:01 Earth 0.499514836508248 0.499514128775289 0.499515544309836 12.6971478290421 12.6967277171518 2520034.360485080 0.269577253437514 307.411123361472 10.3553560636392 83.6951390677337 4858161.6096612 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2187-Nov-18 21:15 < 00:01 Earth 0.302848774568561 0.302845884838916 0.302851664349473 17.7225538940139 17.7220574545327 2520167.385183888 0.106859837870538 244.033919471441 9.78613472077827 -53.8721136267717 3378496.02024988 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
2196-Nov-17 06:40 < 00:01 Earth 0.294199154019694 0.294196403740037 0.294201904370474 14.1957535434362 14.1951155411341 2523453.777488405 0.0836319971660723 266.375443398021 6.25936744377903 59.0374700487425 5619038.30609711 T 520 CATAB v2.0f-lin.ifort 2020-Feb-19 09:42:42 2020-Feb-19 09:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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