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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 ]

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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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464368648614948 5.6092e-08  
a 2.381854507539623 1.3687e-08 au
q 2.033063200899301 1.3209e-07 au
i 6.731555910903412 6.0479e-06 deg
node 183.3530474200089 3.8723e-05 deg
peri 139.5878302796421 4.3098e-05 deg
M 188.9770546023455 1.5921e-05 deg
tp 2460034.356744906013
(2023-Mar-30.85674491)
5.9463e-05 TDB
period 1342.676139931069
3.68
1.1573e-05
3.169e-08
d
yr
n .2681212462883877 2.3111e-09 deg/d
Q 2.730645814179945 1.5692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      8593 days (23.53 yr)  
   first obs. used      1997-09-08  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:27:30  

Additional Information
 Earth MOID = 1.026 au 
 Jupiter MOID = 2.59948 au 
 T_jup = 3.514 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.00   n/a MPCxxxxx  
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

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