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1825 Klare (1954 QH)
Classification: Main-belt Asteroid          SPK-ID: 2001825
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152872511735192 1.8349e-08  
a 2.67650273195887 7.5054e-09 au
q 2.367936089232918 5.1182e-08 au
i 4.043354117247854 9.556e-07 deg
node 288.5084064413389 3.1341e-06 deg
peri 144.1840061358797 8.3963e-06 deg
M 339.3042051538393 8.9515e-06 deg
tp 2459292.445308279269
(2021-Mar-18.94530828)
3.9842e-05 TDB
period 1599.373748463552
4.38
6.7274e-06
1.842e-08
d
yr
n .225088101105721 9.4678e-10 deg/d
Q 2.985069374684823 8.3707e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2955  
   data-arc span      31814 days (87.10 yr)  
   first obs. used      1934-02-13  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:47:22  

Additional Information
 Earth MOID = 1.38374 au 
 Jupiter MOID = 2.25244 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153380770453494 1.8291e-08  
q 2.36834784396047 5.0977e-08 au
tp 2456084.358555308259
(2012-Jun-05.85855531)
3.9195e-05 TDB
node 288.6881254558572 3.1438e-06 deg
peri 142.4757704678767 8.398e-06 deg
i 4.034749664881128 9.5442e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2955  
   data-arc span      31814 days (87.10 yr)  
   first obs. used      1934-02-13  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4194  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 19:47:22  

Additional Information
 Jupiter MOID = 2.25244 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.345753454465284E-16 -9.249422461424997E-16 -2.198982462839755E-13 -4.491210202236308E-15 -1.898330969037333E-14 -7.138197048921695E-15
q -9.249422461424997E-16 2.598640252862422E-15 5.541059829538675E-13 1.234891150400628E-14 4.715885474652388E-14 1.945543533811774E-14
tp -2.198982462839755E-13 5.541059829538675E-13 1.536243652383497E-9 1.350325484697879E-13 2.962405730304442E-10 -7.655293321635148E-12
node -4.491210202236308E-15 1.234891150400628E-14 1.350325484697879E-13 9.883718337827234E-12 -1.038496810689178E-11 5.821253696546719E-14
peri -1.898330969037333E-14 4.715885474652388E-14 2.962405730304442E-10 -1.038496810689178E-11 7.052628732912612E-11 -2.150853261475375E-12
i -7.138197048921695E-15 1.945543533811774E-14 -7.655293321635148E-12 5.821253696546719E-14 -2.150853261475375E-12 9.109255984582045E-13

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.79   n/a E2021B10  
rotation period rot_per 4.744 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pray, D. (2004) Minor Planet Bull. 31, 34-36.]
[Clark, M. (2006) Minor Planet Bull. 33, 53-56.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Galad, A. (2008) Minor Planet Bull. 35, 128-131.]
[Hamanowa, H.; Hamanowa, H. (2011) http://www2.ocn.ne.jp/~hamaten/astlcdata.htm]
[Krueng, M.; Clark, M. (2014) Minor Planet Bull. 41, 86-89.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]

1825 Klare (1954 QH)          Discovered 1954-Aug-31 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1954 QH = 1934 CH = 1952 DW2 = 1954 SB = 1954 SF = 1954 UF1 = 1969 AV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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