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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .203031972054348 3.4557e-08  
a 2.712214920224638 1.0822e-08 au
q 2.161548576336203 9.4057e-08 au
i 15.96600337791544 4.6476e-06 deg
node 134.9697414710313 1.8815e-05 deg
peri 154.1137574703704 2.3025e-05 deg
M 330.7458328496147 1.4796e-05 deg
tp 2457533.077497072386
(2016-May-24.57749707)
6.7353e-05 JED
period 1631.49060784082
4.47
9.7644e-06
2.673e-08
d
yr
n .2206571084564431 1.3206e-09 deg/d
Q 3.262881264113072 1.3019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1518  
   data-arc span      48558 days (132.94 yr)  
   first obs. used      1882-09-08  
   last obs. used      2015-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .4968  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 15:48:00  

Additional Information
 Earth MOID = 1.15417 au 
 Jupiter MOID = 2.01567 au 
 T_jup = 3.278 
[ 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 LCDB (Rev. 2015-December); Warner et al., 2009 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.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2015) Astron. Astrophys., in press.arXiv:1510.07422]
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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