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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 580 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3647529679641138 1.1785e-08  
a 1.709456343748065 1.326e-09 au
q 1.085927068760876 2.0104e-08 au
i 26.86749640044108 1.2996e-06 deg
node 246.5618717509412 1.7073e-06 deg
peri 115.4579743888572 3.0879e-06 deg
M 224.1962237279083 1.9308e-06 deg
tp 2459704.460342456918
(2022-May-04.96034246)
4.6147e-06 TDB
period 816.3670137004431
2.24
9.4987e-07
2.601e-09
d
yr
n .4409781311081955 5.1309e-10 deg/d
Q 2.332985618735254 1.8097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3733  
   data-arc span      25952 days (71.05 yr)  
   first obs. used      1950-06-19  
   last obs. used      2021-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .32636  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-10 05:56:46  

Additional Information
 Earth MOID = .245211 au 
 Jupiter MOID = 3.41262 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 13.80   n/a MPO614063  
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. 2020-October); 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, A.M.; 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 0.479008904045135 0.479008740326009 0.479009067773136 12.9006030374131 12.9001718500577 2422878.522241387 0.102123483482404 120.46735874616 4.23715511910313 86.6767266202939 15728833.0003735 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
1921-Nov-16 02:26 < 00:01 Earth 0.270165479992913 0.270164674638296 0.270166285358757 16.7529351893481 16.7523464823176 2423009.601243991 0.029263138715227 95.8798874311538 2.74979779490444 -65.2896555955205 12019886.3712368 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
1930-Nov-17 10:44 < 00:01 Earth 0.33916591160784 0.339164769844951 0.339167053378498 13.8569947384366 13.8564277946593 2426297.947357189 0.0458745052250156 98.9902931371452 1.13287021525148 54.8941005997555 26168589.9376716 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
1959-Jul-08 17:04 < 00:01 Earth 0.481969483361046 0.481969364951763 0.481969601772493 12.8672044271075 12.8667747760691 2436758.211278710 0.0650911179505911 72.9858818126117 4.23244460584178 86.7604952831606 15775672.0548475 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
1959-Nov-16 16:37 < 00:01 Earth 0.27266568205279 0.272665171065277 0.272666193044302 16.8143110791102 16.8137298995876 2436889.192063553 0.0186193826765947 58.2550722510907 2.77192971207134 -64.196567138444 11929611.7324215 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
1968-Nov-16 22:23 < 00:01 Earth 0.336965678263106 0.336965036035295 0.336966320493369 13.8743395698121 13.8737696374874 2440177.432488341 0.0257465886932204 55.6201989837274 1.13770817203626 54.861908360935 25957032.9037919 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
1997-Jul-08 05:19 < 00:01 Earth 0.48387794303564 0.483877858721337 0.483878027349944 12.8440006157345 12.8435718861415 2450637.721397973 0.0273449948173109 24.0312551007527 4.1504450112231 88.3734475195411 16033801.6208395 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
1997-Nov-16 07:56 < 00:01 Earth 0.274286658699823 0.274286476013533 0.274286841386488 16.8865768724239 16.8860016001422 2450768.830606111 0.00826695278300195 19.155749171114 2.7982850845392 -62.776266257685 11790977.0413329 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2006-Nov-17 07:34 < 00:01 Earth 0.330405741504002 0.330405610866264 0.330405872141852 13.9179422700538 13.9173628429839 2454056.815101571 0.00800401663172162 11.4071541700842 1.18643015607255 55.6260285972384 24869161.8691207 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2035-Jul-08 15:27 < 00:01 Earth 0.486948074452972 0.486947989663247 0.486948159242726 12.8046671537882 12.8042398185985 2464517.143672634 0.0279423803940712 28.3336521559641 4.10533198429656 87.9313301872147 16646130.4458956 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2035-Nov-17 00:45 < 00:01 Earth 0.278457714777825 0.278457499842487 0.27845792971367 17.029923411859 17.0293615266862 2464648.531219173 0.00886064992976996 22.2308427480443 2.83239866453318 -62.0443790828171 11810243.6212198 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2044-Nov-16 18:05 < 00:01 Earth 0.325907255601856 0.325906854388396 0.325907656816354 13.9487111161227 13.948124986903 2467936.253347249 0.0163168490204724 35.3019864676587 1.22702733746177 55.5271018513754 24126069.9671369 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2073-Jul-08 02:32 < 00:01 Earth 0.489592010885949 0.489591874260902 0.489592147514086 12.7757301184467 12.7753041283077 2478396.605819078 0.0684400922988888 77.7320524572454 4.18146711032131 86.0261248571954 16231874.7100467 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2073-Nov-16 16:09 < 00:01 Earth 0.282899349284709 0.282898731169716 0.282899967403706 17.1490922011099 17.1485429812571 2478528.172833837 0.0213906536793543 61.5445577119099 2.86533818411918 -60.0541402589688 11592995.7614357 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2082-Nov-17 03:15 < 00:01 Earth 0.31827621597783 0.318275343727339 0.318277088233604 13.9996667329914 13.9990687349671 2481815.635639678 0.0312599930548582 77.9144205367822 1.28677719567161 56.076330077987 23008785.970889 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2111-Jul-09 07:57 < 00:01 Earth 0.492636784980525 0.492636560857646 0.492637009114324 12.7465205351403 12.7460962077187 2492275.831321995 0.110409215917856 125.027736868291 4.17007408712052 85.239892143238 16299716.9142383 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2111-Nov-18 10:05 < 00:01 Earth 0.288164128627242 0.288163068029998 0.288165189234217 17.3358656768233 17.33533230068 2492407.920322009 0.0361759012097617 98.9873490314965 2.90836689641407 -57.7444330726848 11371767.7433266 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2120-Nov-17 12:34 < 00:01 Earth 0.310906019302982 0.310904744375667 0.310907294242686 14.0535044829134 14.052894653998 2495695.023337901 0.0431558600973802 116.723112418927 1.36449267681894 57.0033382642777 21802600.3757349 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2149-Jul-08 14:56 < 00:01 Earth 0.496651325074694 0.496651006581075 0.496651643588809 12.7121030176004 12.7116809805648 2506155.121993821 0.148338689036427 165.654887692946 4.15942172835007 84.6890388827753 16408683.0889328 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2149-Nov-18 03:26 < 00:01 Earth 0.296956863617 0.296955362475813 0.296958364773833 17.5471605194765 17.5466491692317 2506287.643045674 0.0502180255104185 131.090451390681 2.951540663346 -55.2000393328746 11221637.846693 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2158-Nov-17 21:28 < 00:01 Earth 0.302914010051257 0.302912423443134 0.302915596680404 14.1153604801985 14.1147373043557 2509574.394537555 0.0499579869541666 148.672342633248 1.44428915589822 57.8519359759168 20643180.3123821 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2187-Jul-08 20:39 < 00:01 Earth 0.499514920939228 0.49951450776169 0.499515334146864 12.697143159225 12.696723047251 2520034.360475234 0.178777580105223 198.521619003336 4.14647526685971 84.1636359252714 16521106.7526971 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2187-Nov-18 21:15 < 00:01 Earth 0.302849153361548 0.302847272191293 0.302851034552875 17.7225623614498 17.7220659228267 2520167.385194461 0.0631580452304338 157.095435876995 2.98808150608587 -53.3501425153769 11061844.7158202 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
2196-Nov-17 06:40 < 00:01 Earth 0.29419870866824 0.294196952588756 0.294200464777792 14.1957538578643 14.1951158546104 2523453.777480204 0.0518450607874401 172.256119621781 1.54476674807449 59.4482513471335 19415774.1503495 T 580 CATAB v2.0g-lin.ifort 2021-Jul-10 05:57:21 2021-Jul-10 05:57
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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