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74418 (1999 AQ11)
Classification: Main-belt Asteroid          SPK-ID: 2074418
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1483813095924348 4.4765e-08  
a 3.153076954121867 2.416e-08 au
q 2.685219266423539 1.4178e-07 au
i 1.495046101317797 5.006e-06 deg
node 149.5013897118435 0.00017882 deg
peri 27.31576850096185 0.00017949 deg
M 251.0786584811614 1.6825e-05 deg
tp 2459619.243661767949
(2022-Feb-08.74366177)
9.9385e-05 TDB
period 2045.032820293863
5.60
2.3504e-05
6.435e-08
d
yr
n .1760362945902597 2.0233e-09 deg/d
Q 3.620934641820195 2.7745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      557  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1998-10-28  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5637  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:15:54  

Additional Information
 Earth MOID = 1.68958 au 
 Jupiter MOID = 1.34078 au 
 T_jup = 3.189 
[ 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 15.0   n/a MPO375514  
diameter diameter 5.473 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.065   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74418 (1999 AQ11)          Discovered 1999-Jan-07 by Spacewatch at Kitt Peak
Reference: 20040415/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
1941-Oct-24 00:09 00:03 Jupiter 1.9343134247896 1.9343110491753 1.93431580040258 3.24743590711769 3.1096710045454 2430291.506246380 3.21162722847737 92.4117580313204 42.4262599588693 18.2081543058915 736729.859567574 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
1952-May-19 21:40 00:03 Jupiter 1.50564697945687 1.50564541806692 1.50564854084142 1.53098495458047 1.10398699804388 2434152.402529279 2.77578515698781 307.490210419414 114.077110039602 -19.037179013262 805154.54264851 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
1962-Dec-31 22:18 00:02 Jupiter 1.39566031934321 1.39565976985938 1.39566086889233 1.11294775597614 0.157664376251868 2438030.428991380 2.0681107055405 52496.5987431382 1627.05737671001 3.47825165554853 2597503.31284002 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
1973-Aug-03 18:38 00:02 Jupiter 1.72174007516446 1.72173892579371 1.72174122453433 2.13233145357463 1.88757064084168 2441898.276220236 1.60670765346837 64.1241264664313 8.25484711987109 -87.5192913822686 1287277.46433209 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2048-Sep-21 16:05 00:01 Jupiter 1.93967539950139 1.93967457926757 1.9396762197351 3.23066830771291 3.09254789690713 2469341.169852832 1.24228938333132 45.4663615161066 29.5979548035511 80.1593108754881 1890942.36832676 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2059-Apr-19 02:29 00:02 Jupiter 1.50776443398366 1.50776362237062 1.50776524559514 1.52703792140362 1.09922575759695 2473202.603543460 1.75469219370098 181.681137565959 111.972988301081 -16.2229263250312 1191114.01654597 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2069-Dec-01 07:02 00:02 Jupiter 1.38997432224069 1.38997363356638 1.38997501096983 1.11241322967246 0.1367598125374 2477081.793223128 2.27872474703949 88005.9076385996 1883.45311382042 2.29353981486087 2256484.80983868 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2080-Jul-04 12:07 00:03 Jupiter 1.71202523315676 1.71202330122538 1.7120271650864 2.12980232047047 1.88323132505218 2480950.004552638 2.95330605916619 95.9124025508688 8.47545730118583 -85.9318473598715 1185159.93666249 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2155-Aug-22 22:29 00:06 Jupiter 1.95261504530701 1.95261124597537 1.95261884463532 3.23489630583511 3.09789872842631 2508391.436802914 5.70876794570283 142.322347558331 45.1568809234891 -0.209645498988505 426608.891538322 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2166-Mar-17 09:25 00:06 Jupiter 1.51327851890482 1.51327555109187 1.51328148670211 1.52876526480254 1.10348070697446 2512250.892284576 6.3295380059411 571.59029964523 109.004083486585 -24.3186671015096 774731.950857327 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2176-Oct-27 09:04 00:07 Jupiter 1.39248297156147 1.39248152319301 1.39248441997417 1.12772027478825 0.234922852979519 2516127.877964271 6.68998212907473 29135.1485469486 1029.29834929665 3.6599154828563 1298398.00286129 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16
2187-May-28 14:30 00:08 Jupiter 1.71244503630537 1.71244009935016 1.71244997325171 2.16260880049734 1.92031812394094 2519993.104360946 7.59134155418649 239.903967940607 7.74333656930608 -84.357997052042 1158879.75121825 T 19 CATAB v2.0f-lin.ifort 2020-Feb-23 17:16:09 2020-Feb-23 17:16

Alternate Designations
 1999 AQ11 = 2000 HL51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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