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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464343402890688 5.7445e-08  
a 2.381403286662028 1.3931e-08 au
q 2.032684067417454 1.3585e-07 au
i 6.73112263663544 6.2556e-06 deg
node 183.3677144799998 3.8743e-05 deg
peri 139.4605548757763 4.3932e-05 deg
M 82.9279938102507 1.7038e-05 deg
tp 2458691.294999903883
(2019-Jul-26.79499990)
6.3987e-05 TDB
period 1342.294621154127
3.68
1.1779e-05
3.225e-08
d
yr
n .2681974540659829 2.3534e-09 deg/d
Q 2.730122505906603 1.5971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8445 days (23.12 yr)  
   first obs. used      1997-09-08  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:38:02  

Additional Information
 Earth MOID = 1.02634 au 
 Jupiter MOID = 2.60075 au 
 T_jup = 3.514 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457488.5 (2016-Apr-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472809767705713 5.7501e-08  
q 2.030592478671521 1.3622e-07 au
tp 2457349.946213010021
(2015-Nov-23.44621301)
6.6824e-05 TDB
node 183.4042274373282 3.8706e-05 deg
peri 139.6496954446985 4.3837e-05 deg
i 6.734331300491952 6.2592e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      8445 days (23.12 yr)  
   first obs. used      1997-09-08  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:38:02  

Additional Information
 Jupiter MOID = 2.60075 au 
 T_jup = 3.514 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.306366446248578E-15 -7.802827368402695E-15 1.179107163141148E-12 -2.769969400105359E-14 4.235186165301613E-13 -6.504504650219029E-15
q -7.802827368402695E-15 1.855490567452288E-14 -3.101601391507585E-12 6.530923414442358E-14 -1.091304584358027E-12 1.513940127988614E-14
tp 1.179107163141148E-12 -3.101601391507585E-12 4.465463275639612E-9 -2.606345122892262E-11 1.387501539242816E-9 8.103297277397844E-13
node -2.769969400105359E-14 6.530923414442358E-14 -2.606345122892262E-11 1.498166886269694E-9 -1.495317630998105E-9 -6.39289116133641E-11
peri 4.235186165301613E-13 -1.091304584358027E-12 1.387501539242816E-9 -1.495317630998105E-9 1.921659956902208E-9 6.374274409742556E-11
i -6.504504650219029E-15 1.513940127988614E-14 8.103297277397844E-13 -6.39289116133641E-11 6.374274409742556E-11 3.917719092786939E-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

[ 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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