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452323 (2000 KQ39)
Classification: Main-belt Asteroid          SPK-ID: 2452323
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2341417674493692 8.0319e-08  
a 2.635808985939398 1.464e-08 au
q 2.018656011312618 2.1681e-07 au
i 4.488951994523543 5.7053e-06 deg
node 107.5332832410641 8.4501e-05 deg
peri 90.78658172333094 8.6804e-05 deg
M 314.4649172333936 1.3384e-05 deg
tp 2459398.202862656593
(2021-Jul-02.70286266)
5.8197e-05 TDB
period 1563.037250226963
4.28
1.3022e-05
3.565e-08
d
yr
n .2303208064604511 1.9189e-09 deg/d
Q 3.252961960566179 1.8068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      174  
   data-arc span      7635 days (20.90 yr)  
   first obs. used      2000-05-24  
   last obs. used      2021-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 12:58:50  

Additional Information
 Earth MOID = 1.02204 au 
 Jupiter MOID = 1.71615 au 
 T_jup = 3.354 
[ 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 17.59   n/a MPCxxxxx  

452323 (2000 KQ39)          Discovered 2000-May-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-01-04

[ 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
1916-Jul-08 12:37 00:02 Jupiter 1.71954160685655 1.71954089171687 1.719542321997 0.786714572693479 n/a 2421053.025639594 2.27240188025488 154.394831454653 32.9171465021993 -84.7823230340871 7781680.61679233 F 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58
1963-Jun-09 01:03 00:01 Jupiter 1.74363972382058 1.74363904053613 1.74364040710531 0.909904526830789 n/a 2438189.543632538 1.22510838301196 85.7898748656757 30.5368690222971 79.1331919429825 8406007.09833429 F 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58
2010-May-02 18:33 < 00:01 Jupiter 1.89240384355987 1.89240313675854 1.8924045503599 1.50300290349957 1.16783396477633 2455319.272580205 0.46660294284523 191.965600402044 100.23561803545 26.7605468665256 1182773.64592901 T 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58
2024-Jan-19 17:39 < 00:01 Jupiter 1.8706701349054 1.87066909291057 1.87067117689939 1.35360391003302 0.96263266171353 2460329.235258516 0.490213529056655 522.098121366374 210.237657392827 19.0136811534976 765278.484533842 T 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58
2070-Dec-14 21:46 00:01 Jupiter 1.73091938097982 1.73091845471775 1.73092030724264 0.832756460506888 n/a 2477460.406871451 1.36315660064185 126.84950408695 40.4761867613512 -79.3338242374837 6296429.27126331 F 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58
2117-Nov-16 04:11 00:02 Jupiter 1.72656625711921 1.72656560289593 1.72656691134375 0.81926906393176 n/a 2494597.674215679 2.42418020744827 162.39464063237 28.9292359647895 84.5851292253019 8887306.3411777 F 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58
2164-Oct-13 07:31 00:04 Jupiter 1.84790551497371 1.84790335661144 1.84790767334607 1.28958573115104 0.863882779902672 2511730.813357754 3.65159974333022 1182.43108162527 195.253480032 26.1086838391711 946853.757257119 T 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58
2178-Jul-01 13:11 00:04 Jupiter 1.92119748379135 1.92119447899288 1.92120048857747 1.57916369797125 1.26964279105755 2516740.049287437 3.95771148897785 486.069494053379 135.554274952263 31.8025104262805 546757.036689697 T 12 CATAB v2.0g-lin.ifort 2021-May-04 12:58:51 2021-May-04 12:58

Alternate Designations
 2000 KQ39 = 2004 EA53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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