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274301 Wikipedia (2008 QH24)
Classification: Main-belt Asteroid          SPK-ID: 2274301
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464244867539261 5.6196e-08  
a 2.381810087939175 1.3674e-08 au
q 2.033054768267358 1.3238e-07 au
i 6.730981817218433 6.0643e-06 deg
node 183.3599193497996 3.874e-05 deg
peri 139.5388850251535 4.3197e-05 deg
M 136.4805459166929 1.6051e-05 deg
tp 2458691.488759931633
(2019-Jul-26.98875993)
6.0297e-05 TDB
period 1342.638580420562
3.68
1.1562e-05
3.166e-08
d
yr
n .2681287468197399 2.309e-09 deg/d
Q 2.730565407610993 1.5676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      8531 days (23.36 yr)  
   first obs. used      1997-09-08  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:47:57  

Additional Information
 Earth MOID = 1.02477 au 
 Jupiter MOID = 2.6002 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457539.5 (2016-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472807958284147 5.6196e-08  
q 2.030555433095044 1.3254e-07 au
tp 2457349.922414552477
(2015-Nov-23.42241455)
6.2533e-05 TDB
node 183.4043236301739 3.8705e-05 deg
peri 139.6404698137164 4.3118e-05 deg
i 6.734369406267355 6.0677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      291  
   data-arc span      8531 days (23.36 yr)  
   first obs. used      1997-09-08  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:47:57  

Additional Information
 Jupiter MOID = 2.6002 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.158028508503421E-15 -7.419900342382054E-15 8.931506336416383E-13 -2.612389307874251E-14 3.276919493788438E-13 -5.27166904238E-15
q -7.419900342382054E-15 1.756619482990988E-14 -2.362466268957186E-12 6.121235260987686E-14 -8.436217624946257E-13 1.223281473292362E-14
tp 8.931506336416383E-13 -2.362466268957186E-12 3.910407768551922E-9 -2.279357969210243E-11 1.201363268856103E-9 1.043661241902488E-12
node -2.612389307874251E-14 6.121235260987686E-14 -2.279357969210243E-11 1.498061361963974E-9 -1.49413581073659E-9 -6.368433255803199E-11
peri 3.276919493788438E-13 -8.436217624946257E-13 1.201363268856103E-9 -1.49413581073659E-9 1.859152061058543E-9 6.358536685175112E-11
i -5.27166904238E-15 1.223281473292362E-14 1.043661241902488E-12 -6.368433255803199E-11 6.358536685175112E-11 3.681758513393031E-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 16.9   n/a MPO446368  
rotation period rot_per 1.05 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

274301 Wikipedia           Discovered 2008 Aug. 25 at Andrushivka.
Wikipedia is a free, copyleft, collaboratively edited online encyclopedia launched in 2001. In 11 years of its compilation it became one of the largest reference works and one of the most visited web-sites on the Internet. It is developed in more than 270 languages by enthusiasts from all over the world.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20130127/MPCPages.arcLast Updated: 2013-01-31

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Alternate Designations
 2008 QH24 = 1997 RO4 = 2007 FK34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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