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181114 (2005 QK93)
Classification: Main-belt Asteroid          SPK-ID: 2181114
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05148900589972785 4.8812e-08  
a 2.836407360023055 2.3108e-08 au
q 2.690363564728797 1.3545e-07 au
i 3.282954439229285 4.9877e-06 deg
node 83.50065629422396 9.0258e-05 deg
peri 181.2012167830939 0.00010364 deg
M 188.7942883965873 5.1697e-05 deg
tp 2460226.287867540408
(2023-Oct-08.78786754)
0.00025244 TDB
period 1744.822818800119
4.78
2.1322e-05
5.838e-08
d
yr
n .2063246744145432 2.5213e-09 deg/d
Q 2.982451155317314 2.4297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6989 days (19.13 yr)  
   first obs. used      2001-11-20  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:16  

Additional Information
 Earth MOID = 1.67451 au 
 Jupiter MOID = 2.04215 au 
 T_jup = 3.307 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457665.5 (2016-Oct-04.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05285493435725155 4.8296e-08  
q 2.685447609003096 1.3403e-07 au
tp 2458490.308280315819
(2019-Jan-06.80828032)
0.0002446 TDB
node 83.52077645491116 9.0339e-05 deg
peri 183.0916035564245 0.00010335 deg
i 3.28255772578035 4.9862e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      6989 days (19.13 yr)  
   first obs. used      2001-11-20  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52579  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:16  

Additional Information
 Jupiter MOID = 2.04215 au 
 T_jup = 3.307 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.332493518809606E-15 -6.3900610775546E-15 -1.037774526307176E-12 2.52591198257894E-14 -3.442054635550142E-13 -3.412601372388691E-16
q -6.3900610775546E-15 1.796411367641389E-14 3.475347481359429E-12 -6.886084793860418E-14 1.029169006196621E-12 1.218867656741887E-15
tp -1.037774526307176E-12 3.475347481359429E-12 5.982856839798561E-8 1.88810646414128E-11 1.228879941089703E-8 -2.630571455498007E-12
node 2.52591198257894E-14 -6.886084793860418E-14 1.88810646414128E-11 8.161097963111264E-9 -8.144592350612833E-9 -7.212810616831067E-11
peri -3.442054635550142E-13 1.029169006196621E-12 1.228879941089703E-8 -8.144592350612833E-9 1.068185465394064E-8 7.144508253201995E-11
i -3.412601372388691E-16 1.218867656741887E-15 -2.630571455498007E-12 -7.212810616831067E-11 7.144508253201995E-11 2.48622147187218E-11

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 16.12   n/a MPCxxxxx  

181114 (2005 QK93)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ 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
1928-Mar-13 05:11 00:14 Iris 0.0446174391791328 0.044604271920651 0.0446306339888486 4.54810084587539 4.54810081754593 2425318.716135871 14.0175122170389 1888.78564322761 106.183694289865 -69.8927718677509 59015.4500153675 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:17 2021-Apr-13 21:29
1976-Mar-26 20:03 00:02 Eunom 0.0269141394310248 0.026907700863435 0.0269205884325839 5.94232048748239 5.94232039971012 2442864.335425109 2.18948357984085 926.607340679094 88.8567440384151 70.4511096721844 42703.700886591 T 18 CATAB v2.0f-lin.ifort 2021-Apr-13 21:29:17 2021-Apr-13 21:29

Alternate Designations
 2005 QK93 = 2001 WU78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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