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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 
[ 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. 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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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
2047-Jan-18 12:01 < 00:01 Eunom 0.0422108546940452 0.0422032446056765 0.0422184656458182 5.45783591772444 5.4578358567919 2468729.000792925 0.805011644191004 486.003986235423 53.4533373891584 38.9829509058437 74956.2106880521 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 03:47:58 2021-Apr-14 03:48

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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