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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464343608885078 5.885e-08  
a 2.38140328267942 1.4157e-08 au
q 2.032684014962465 1.3971e-07 au
i 6.731119133149163 6.4415e-06 deg
node 183.367739289201 3.8797e-05 deg
peri 139.460528169179 4.4606e-05 deg
M 82.92799578347474 1.7826e-05 deg
tp 2458691.294993322189
(2019-Jul-26.79499332)
6.705e-05 TDB
period 1342.29461778689
3.68
1.1969e-05
3.277e-08
d
yr
n .2681974547387745 2.3915e-09 deg/d
Q 2.730122550396376 1.623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      8088 days (22.14 yr)  
   first obs. used      1997-09-08  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51047  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:02:41  

Additional Information
 Earth MOID = 1.02634 au 
 Jupiter MOID = 2.60075 au 
 T_jup = 3.514 
[ 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 16.9   n/a MPO446368  
rotation period rot_per 1.05 h n/a LCDB (Rev. 2019-August); 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

[ show close-approach data ]
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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