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226 Weringia
Classification: Main-belt Asteroid          SPK-ID: 2000226
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2028372851079292 3.6144e-08  
a 2.714346475924765 1.2328e-08 AU
q 2.163775805905911 9.7298e-08 AU
i 15.96622663504739 4.7607e-06 deg
node 134.9729456180158 2.033e-05 deg
peri 153.878611404149 2.4376e-05 deg
M 242.7483825094171 1.4717e-05 deg
tp 2457532.501299305343
(2016-May-24.00129931)
6.7954e-05 JED
period 1633.414291835295
4.47
1.1128e-05
3.047e-08
d
yr
n .220397238961039 1.5015e-09 deg/d
Q 3.26491714594362 1.4828e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1309  
   data-arc span      47397 days (129.77 yr)  
   first obs. used      1885-01-22  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50511  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:41:29  

Additional Information
 Earth MOID = 1.15951 AU 
 T_jup = 3.277 
[ 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 9.9 mag n/a MPO267706  
diameter diameter 33.83 km 1.5 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
rotation period rot_per 11.147 h n/a Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) Published Reference List:
[Oey, J. (2008) Minor Planet Bul. 35, 132-135.]
[Oey, J. (2009) Minor Planet Bul. 36, 162-165.]
[Pilcher, F. (2013) Minor Planet Bul. 40, 85-87.]
geometric albedo albedo 0.2035   0.020 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 7
SMASSII spectral type spec_B S   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)

226 Weringia          Discovered 1882-Jul-19 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A912 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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