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242 Kriemhild
Classification: Main-belt Asteroid          SPK-ID: 2000242
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .119340507989131 4.1148e-08  
a 2.862148555739635 1.394e-08 au
q 2.52057829315731 1.2118e-07 au
i 11.35131382946958 4.9225e-06 deg
node 206.9397925591719 2.3504e-05 deg
peri 279.7153349545218 3.0801e-05 deg
M 310.3384142874737 2.1577e-05 deg
tp 2457644.480302756709
(2016-Sep-12.98030276)
0.00010672 JED
period 1768.62876471262
4.84
1.2921e-05
3.538e-08
d
yr
n .2035475206457447 1.487e-09 deg/d
Q 3.203718818321961 1.5603e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1734  
   data-arc span      47820 days (130.92 yr)  
   first obs. used      1885-01-09  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55026  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 12:31:56  

Additional Information
 Earth MOID = 1.56557 au 
 Jupiter MOID = 1.96463 au 
 T_jup = 3.262 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.3 mag n/a MPO347512  
diameter diameter 38.90 km 2.1 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
rotation period rot_per 4.5478 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Published Reference List:
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2005) Minor Planet Bul. 32, 4-7.]
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Ditteon, R.; Hawkins, S. (2007) Minor Planet Bul. 34, 59-64.]
[Fauerbach, M.; Bennett, T.; Marks, S.A. (2007) Minor Planet Bul. 34, 57-58.]
[Bembrick, C.; Crawford, G.; Oey, J.; Allen, B. (2007) Minor Planet Bul. 34, 67-68.]
[Fauerbach, M.; Marks, S.A.; Lucas, M.P. (2008) Minor Planet Bul. 35, 44-46.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.2440   0.029 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
SMASSII spectral type spec_B Xc   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

242 Kriemhild          Discovered 1884-Sep-22 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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