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11456 Cotto-Figueroa (1981 EK9)
Classification: Main-belt Asteroid          SPK-ID: 2011456
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08197582345460323 3.4919e-08  
a 3.066326308488205 1.8069e-08 au
q 2.814961684369371 1.1269e-07 au
i 2.89079841344165 3.5333e-06 deg
node 288.2057159151263 8.8681e-05 deg
peri 28.90038158061216 9.2514e-05 deg
M 42.19309854875963 2.7247e-05 deg
tp 2459166.639207414639
(2020-Nov-13.13920741)
0.00014802 TDB
period 1961.218497264467
5.37
1.7335e-05
4.746e-08
d
yr
n .1835593537905811 1.6225e-09 deg/d
Q 3.31769093260704 1.955e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      14791 days (40.50 yr)  
   first obs. used      1981-02-09  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54622  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 20:33:52  

Additional Information
 Earth MOID = 1.80122 au 
 Jupiter MOID = 1.911 au 
 T_jup = 3.225 
[ 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 13.86   n/a E2021B10  
diameter diameter 11.196 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11456 Cotto-Figueroa           Discovered 1981 Mar. 1 by S. J. Bus at Siding Spring.
Desiree Cotto-Figueroa (b. 1984) is a professor at the University of Puerto Rico, Humacao whose research includes shape and spin evolution of near-Earth asteroids in response to re-radiation of solar flux.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

[ 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
1941-Nov-13 21:18 00:02 Jupiter 1.92191118249622 1.92191084498354 1.92191152000892 3.26810514540714 3.13034718768441 2430312.387412616 1.8978230383975 63.4561807964313 12.3524157384263 -87.9804415794832 3938916.1201598 T 18 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:17 2021-Aug-24 20:34
2000-Nov-22 01:03 < 00:01 Jupiter 1.93452975250167 1.93452940032603 1.93453010467732 3.37421689761655 3.24185925002572 2451870.543876627 0.366490340090883 35.5671005184529 12.9946864996917 -83.2142863792936 4046896.0101833 T 18 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:17 2021-Aug-24 20:34
2050-Mar-07 11:12 < 00:01 Jupiter 1.98613636831557 1.98613600190354 1.98613673472749 3.14902398947607 3.01055097739969 2469872.966757492 0.953880717450315 48.6615947801116 14.1459570008133 -88.5422940212379 4218953.4244545 T 18 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:17 2021-Aug-24 20:34
2059-Dec-01 14:28 00:01 Jupiter 1.95482326172057 1.95482284945351 1.95482367398773 3.51273402740575 3.38713784944186 2473429.102697926 1.238881205899 53.2456404534791 13.8504481725359 -80.692923544923 3810629.57502645 T 18 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:17 2021-Aug-24 20:34
2109-Mar-17 09:27 00:03 Jupiter 1.96264693759556 1.96264646609688 1.96264740909424 3.14691454417323 3.00664732209965 2491431.893918953 2.49633094109785 47.3819178320907 20.7539287981019 89.5324188679143 4270916.15463013 T 18 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:17 2021-Aug-24 20:34
2118-Dec-11 17:57 00:03 Jupiter 1.98111018561575 1.98110958063404 1.9811107905987 3.67951091482098 3.56141849997581 2494988.247976953 2.77203032311116 109.200693638114 14.7105346890959 -79.95210185731 3754319.51949694 T 18 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:17 2021-Aug-24 20:34
2168-Mar-25 22:56 00:04 Jupiter 1.94736735783832 1.94736687270173 1.94736784297501 3.17326680679141 3.03310183487159 2512990.455351786 4.05071196566399 61.2341234364697 19.2274876375122 76.7961890135726 4467198.82511495 T 18 CATAB v2.0g-lin.ifort 2021-Aug-24 20:34:17 2021-Aug-24 20:34

Alternate Designations
 1981 EK9 = 1998 KN48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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