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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192486089979164 5.5803e-08  
a 2.863463474662082 1.4999e-08 AU
q 2.521999438392288 1.612e-07 AU
i 11.34802938194596 7.051e-06 deg
node 206.9493268274427 3.1112e-05 deg
peri 279.4785842964523 4.2809e-05 deg
M 188.4973257672695 3.0481e-05 deg
tp 2457643.648931794658
(2016-Sep-12.14893179)
0.00015116 JED
period 1769.847711145189
4.85
1.3906e-05
3.807e-08
d
yr
n .2034073314517327 1.5982e-09 deg/d
Q 3.204927510931876 1.6788e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1377  
   data-arc span      46930 days (128.49 yr)  
   first obs. used      1885-01-09  
   last obs. used      2013-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60362  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 13:21:22  

Additional Information
 Earth MOID = 1.56699 AU 
 T_jup = 3.261 
[ 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 9.20 mag n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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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