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(2017 QK2)
Classification: Mars-crossing Asteroid          SPK-ID: 3780772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5224944070691866 8.3593e-05  
a 2.899147444373061 0.0005619 au
q 1.384359119419211 3.117e-05 au
i 16.65543910537163 0.0016734 deg
node 330.0257277261784 0.00014481 deg
peri 320.0130705706615 0.0023572 deg
M 291.8231436255396 0.084179 deg
tp 2459737.958834006222
(2022-Jun-07.45883401)
0.52087 TDB
period 1803.033856050434
4.94
0.52418
0.001435
d
yr
n .1996634720928558 5.8047e-05 deg/d
Q 4.413935769326911 0.00085549 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      40 days  
   first obs. used      2017-08-17  
   last obs. used      2017-09-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .59773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:20:22  

Additional Information
 Earth MOID = .411344 au 
 Jupiter MOID = 1.13671 au 
 T_jup = 3.014 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457987.5 (2017-Aug-22.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5221159428853709 8.3863e-05  
q 1.385607901083152 2.9813e-05 au
tp 2457933.441411696093
(2017-Jun-28.94141170)
0.0032546 TDB
node 330.0800156342726 0.00011831 deg
peri 319.888564978615 0.0023596 deg
i 16.64488679924175 0.0016719 deg
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      40 days  
   first obs. used      2017-08-17  
   last obs. used      2017-09-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .59773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 19:20:22  

Additional Information
 Jupiter MOID = 1.13671 au 
 T_jup = 3.014 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.033070898742988E-9 1.979801998979109E-9 -2.279306654908895E-7 -9.581499548506489E-9 -1.29291222298184E-7 1.392824871182315E-7
q 1.979801998979109E-9 8.888326839888394E-10 -3.250366839194958E-8 -2.329286334623285E-9 -4.252138507791447E-9 4.227512226978512E-8
tp -2.279306654908895E-7 -3.250366839194958E-8 1.059227083114989E-5 3.474448673677807E-7 7.375599817893684E-6 -4.245664643967581E-6
node -9.581499548506489E-9 -2.329286334623285E-9 3.474448673677807E-7 1.399748938743458E-8 2.124545787727964E-7 -1.874906379643129E-7
peri -1.29291222298184E-7 -4.252138507791447E-9 7.375599817893684E-6 2.124545787727964E-7 5.567627198181574E-6 -2.277915029603157E-6
i 1.392824871182315E-7 4.227512226978512E-8 -4.245664643967581E-6 -1.874906379643129E-7 -2.277915029603157E-6 2.795236670651936E-6

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 19.8   n/a MPO416581  

[ 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
1931-Jul-28 22:38 5_19:59 Jupiter 1.6181151392395 1.48112557277796 1.75435440667972 4.70947561226678 4.59698114500453 2426551.443009491 8398.81892789656 6580616.58902216 3297.0180597308 -7.55175645399396 4412.07894048529 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 19:20:22 2021-Apr-15 19:20
1990-Oct-19 21:33 3_12:46 Jupiter 1.13434345406518 1.12370276868218 1.14510755802668 4.65129019897713 4.4878821243684 2448184.398003448 5086.13404987082 807265.433483178 3915.60466753747 42.6786033486819 34974.2625423777 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 19:20:22 2021-Apr-15 19:20
2012-Jul-21 13:50 16:42 Earth 0.476145333020073 0.462120750784098 0.490999237123199 9.59246381660777 9.5918804307973 2456130.076255070 1001.51691785548 1225089.40576133 2296.70965003053 53.9688915325546 36331.5558648906 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 19:20:22 2021-Apr-15 19:20
2017-Aug-01 02:14 00:09 Earth 0.442779854114491 0.442659662648107 0.442900049416598 8.29109964750439 8.2903738234128 2457966.593081484 9.27029934608499 6408.02682999134 2527.5790546968 22.6774287482015 8714.46182601042 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 19:20:22 2021-Apr-15 19:20
2049-Dec-06 19:27 6_17:10 Jupiter 1.28478431896089 1.25039777983963 1.3195276963141 6.28809411070706 6.18236065425678 2469782.310093450 9669.57599149314 2032274.44675732 4772.53663299287 -34.5341962799665 10887.2482988375 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 19:20:22 2021-Apr-15 19:20
2066-Jul-28 20:26 4_12:04 Earth 0.373695040330592 0.373015789621646 0.483171660468591 9.20124661256093 9.20047167512623 2475860.351602679 6483.97887218803 14221037.373345 1889.27417961381 86.6437532204703 34412.3030241577 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 19:20:22 2021-Apr-15 19:20
2074-Jan-04 10:02 7_23:48 Jupiter 1.38591416619065 1.31689186843063 1.4548406670398 4.51984915604367 4.38254560611571 2478576.918217843 11507.8522307182 3388205.35724375 3382.84944838141 4.44370187953816 3497.0860479455 T 7 CATAB v2.0g-lin.ifort 2021-Apr-15 19:20:22 2021-Apr-15 19:20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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