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(2011 HQ)
Classification: Amor [NEO]          SPK-ID: 3563858
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3075262990728287 7.8388e-08  
a 1.636721661705232 2.4697e-07 au
q 1.133386706468692 1.3587e-07 au
i 11.91496384463308 1.3565e-05 deg
node 70.36465735964433 1.8117e-05 deg
peri 145.0591557712742 0.00014861 deg
M 122.8264208230383 0.00041937 deg
tp 2458739.554406103673
(2019-Sep-13.05440610)		 0.00083212 TDB
period 764.8225290063775
2.09		 0.00017311
4.739e-07		 d
yr
n .470697431556698 1.0654e-07 deg/d
Q 2.140056616941772 3.2293e-07 au
   Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      626 days (1.71 yr)  
   first obs. used      2011-04-24  
   last obs. used      2013-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .52535  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:53:39  

Additional Information
 Earth MOID = .149784 au 
 Jupiter MOID = 2.8499 au 
 T_jup = 4.223 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455705.5 (2011-May-24.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3078468432408512 7.81e-08  
q 1.132810203110634 1.3723e-07 au
tp 2455679.456454328560
(2011-Apr-27.95645433)		 0.00015362 TDB
node 70.39991381561906 1.8116e-05 deg
peri 144.9295751950853 0.00014799 deg
i 11.91432457895611 1.3565e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      626 days (1.71 yr)  
   first obs. used      2011-04-24  
   last obs. used      2013-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .52535  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:53:39  

Additional Information
 Jupiter MOID = 2.8499 au 
 T_jup = 4.223 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.099609181755104E-15 -1.758405273094814E-15 5.903678585873288E-12 -1.312009924366244E-13 5.575276868669856E-12 -6.131392086355703E-14
q -1.758405273094814E-15 1.883198911804934E-14 1.338232688820912E-11 -5.651176126326807E-13 1.297757651284714E-11 1.41342722970729E-12
tp 5.903678585873288E-12 1.338232688820912E-11 2.360042031326318E-8 -7.389109512137347E-10 2.257900770155486E-8 1.125373523623745E-9
node -1.312009924366244E-13 -5.651176126326807E-13 -7.389109512137347E-10 3.281939906017731E-10 -1.005828602011644E-9 -1.511939886838867E-10
peri 5.575276868669856E-12 1.297757651284714E-11 2.257900770155486E-8 -1.005828602011644E-9 2.189971332209E-8 1.190191665236529E-9
i -6.131392086355703E-14 1.41342722970729E-12 1.125373523623745E-9 -1.511939886838867E-10 1.190191665236529E-9 1.840205077453806E-10

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.0   n/a MPO249982  

[ 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
1900-May-16 14:15 00:04 Earth 0.178954056233503 0.178719054672635 0.179189669666639 7.84793958623512 7.84604214793388 2415156.094029712 4.48048789176844 20249.1817746113 42.8512890322324 -54.5971339320195 354477.933242799 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1921-May-25 05:51 00:56 Earth 0.297737554950636 0.297434436090646 0.298040794912031 6.47775872584059 6.4763770686884 2422834.743442719 55.844982403274 17839.4016622638 83.6192852070093 32.0722625920698 250538.165505831 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1923-May-20 19:37 00:06 Earth 0.36785555581905 0.367525169387189 0.368185964031527 12.0318798244824 12.0312778024067 2423560.317642276 5.86459145714198 17069.5294855806 36.4965558884846 -15.1718514866564 299467.747364364 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1944-May-16 21:21 00:05 Earth 0.154156493596417 0.154123057256835 0.154211009822104 6.65003100617645 6.64743137486846 2431227.389447556 4.78785467138037 89958.354680657 41.4816976809432 88.6026259565891 605996.449157627 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1965-Jun-11 10:43 01:04 Earth 0.416314970077941 0.416176782523938 0.416453197499906 6.08187483318016 6.08082240994363 2438922.946484657 64.0692267537108 9422.89238036757 128.225901368378 43.0078465953492 285184.628978441 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1967-May-18 11:39 00:03 Earth 0.239280775840889 0.239146555802252 0.23941502749709 9.17816849637 9.17695517113755 2439628.985186310 2.57538888029056 7976.37508088535 41.0760971639065 -32.9564773526804 340189.076291536 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1988-May-19 22:28 00:08 Earth 0.224940684725838 0.224869391850341 0.225011994122775 6.42114737006113 6.4193023796898 2447301.436330745 8.14539127042082 4678.58823344228 72.47133674115 40.5494568742389 278215.875631168 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1990-Mar-01 17:02 05:50 Earth 0.466891204295005 0.466840540150998 0.466941873795464 2.27609973054274 2.27359105336542 2447952.209912389 350.31245245574 3551.20602747965 39.9429318883767 44.2278427276082 194411.593136059 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
1990-May-22 20:32 00:01 Earth 0.45251530800962 0.452431349965 0.452599266477118 13.9119776328732 13.9115543830192 2448034.355527764 1.15849562233336 4243.11095388034 34.9949898594411 -9.37097498891553 246966.713907607 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2011-May-17 19:02 < 00:01 Earth 0.155788091020582 0.155787612395209 0.155788569659823 7.24938691872502 7.24702726917273 2455699.293355414 0.49055128313991 85.6156460062965 10.8194422569864 75.4993379011227 2692594.61336858 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2032-May-30 12:23 00:18 Earth 0.342279318822037 0.3422045062962 0.34235413656754 6.499913691792 6.49871594746234 2463383.016057392 18.0474501344794 4285.38582664354 94.1233348304575 29.4935374155781 234211.041038498 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2034-May-19 23:28 00:02 Earth 0.315789966754025 0.315702467520144 0.315877469275914 10.8153377262119 10.8145575555621 2464102.477735318 1.89158256045267 4649.81743602999 38.3121112973304 -20.2312948996417 317867.908129536 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2055-May-18 20:16 00:06 Earth 0.169441237250658 0.16936152493792 0.169521094817353 6.48009633050084 6.47766920003705 2471771.344244298 5.71954935255111 8778.99987836241 69.0527614061362 63.0514508351221 326008.294493868 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2076-Jun-20 08:21 02:11 Earth 0.461376982319983 0.461180094573507 0.461573998621402 5.80345662820254 5.80246143608377 2479474.848026208 130.784750406859 15620.5879802228 150.625312406872 51.0498390936088 307429.545536591 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2078-May-18 08:42 00:04 Earth 0.196768809453823 0.196586707591999 0.196951081965719 8.27346170843956 8.27182484744004 2480171.862629576 4.30153825964733 12886.1006581764 43.4246071799973 -45.1801771039556 341607.272793667 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2099-May-23 22:32 00:40 Earth 0.269014189019858 0.268729120822062 0.269299374184816 6.54983761424847 6.54832524868822 2487847.439235854 39.6788807024452 16745.697239771 74.6659047408463 31.8991397052971 254514.066942325 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2101-May-23 03:18 00:06 Earth 0.398716678224555 0.398384203434714 0.399049165858686 12.6572402755654 12.6567122949379 2488576.637298576 5.6835477645008 16959.208321649 36.2882934398749 -12.1609507314833 267055.661530376 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2122-May-19 04:18 00:02 Earth 0.148958664339935 0.148957510357524 0.148966960533294 6.85929743686751 6.85668918498158 2496242.679367382 2.15050176905305 57997.3977485465 20.6438728607803 89.8130967903598 587665.64161332 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2143-Jun-08 12:42 02:28 Earth 0.387890962083195 0.387453443351243 0.388328699916673 6.3579847337933 6.3569042453668 2503933.029439321 147.921467880597 26222.2211737493 109.318857202179 33.682513422031 250366.513064699 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2145-May-20 12:47 00:09 Earth 0.26770836671629 0.267244819498649 0.268172118486312 9.74428545020271 9.74326398593722 2504645.032837659 9.47494775468479 25898.4958885684 40.6829785745706 -26.7943205700398 323795.129992692 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2166-May-21 04:48 00:35 Earth 0.199709388207961 0.199287836118029 0.200131813957548 6.47238698423549 6.47032531697824 2512315.700096295 34.8288827332895 29610.9017480307 67.3584022403234 44.7134680698934 291525.605237557 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2168-Feb-28 10:16 1_00:58 Earth 0.486498615642071 0.486148303905267 0.486849260552762 2.99039793131807 2.98856589188198 2512963.927660539 1497.78506740906 26622.3282671813 43.6983848381684 48.8286817169192 255796.537177158 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2168-May-25 09:47 00:09 Earth 0.483415437231376 0.482811642295453 0.484019243385293 14.577120524015 14.5767424074273 2513050.907671759 8.63689594310389 30332.2034449923 34.8338623380861 -6.9696886553731 200783.323653551 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
2189-May-19 09:58 00:06 Earth 0.164002959059732 0.163712879766791 0.164294999099006 7.54255662788664 7.54040233811774 2520714.914996964 6.33784396289083 31788.5101373622 43.9897784139154 -62.8424017802227 344335.7384687 T 36 CATAB v2.0e-lin.ifort 2017-Nov-29 00:18:25 2018-Dec-11 15:39
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