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226 Weringia (A882 OA)
Classification: Main-belt Asteroid          SPK-ID: 2000226
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2044499667548183 1.9247e-08  
a 2.712925698693847 6.2955e-09 au
q 2.158268129787598 5.3539e-08 au
i 15.9718120149848 2.2205e-07 deg
node 134.9461410123381 1.0107e-06 deg
peri 154.1184208461927 4.4487e-06 deg
M 7.900030377391657 3.0929e-06 deg
tp 2459164.683632576024
(2020-Nov-11.18363258)
1.4003e-05 TDB
period 1632.131986420099
4.47
5.6812e-06
1.555e-08
d
yr
n .2205703968767993 7.6777e-10 deg/d
Q 3.267583267600096 7.5827e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3300  
   data-arc span      50467 days (138.17 yr)  
   first obs. used      1882-09-08  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:31:20  

Additional Information
 Earth MOID = 1.15075 au 
 Jupiter MOID = 2.02172 au 
 T_jup = 3.277 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456602.5 (2013-Nov-06.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2026709140952377 1.8848e-08  
q 2.165590850629093 5.1859e-08 au
tp 2455894.392831345379
(2011-Nov-28.89283135)
1.6551e-05 TDB
node 135.0217295058924 1.0142e-06 deg
peri 153.245496624118 4.5119e-06 deg
i 15.93347574423251 2.1933e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3300  
   data-arc span      50467 days (138.17 yr)  
   first obs. used      1882-09-08  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 10:31:20  

Additional Information
 Jupiter MOID = 2.02172 au 
 T_jup = 3.277 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.552432357975262E-16 -9.729660271682617E-16 1.904800479600239E-13 3.139232607610783E-15 6.620356461966813E-14 1.36510514471146E-15
q -9.729660271682617E-16 2.689320306683901E-15 -5.560212322458007E-13 -8.583855063129299E-15 -1.841249704319384E-13 -3.741197658691626E-15
tp 1.904800479600239E-13 -5.560212322458007E-13 2.739207304406924E-10 1.915600787980936E-12 6.709457183721371E-11 7.407740638753932E-13
node 3.139232607610783E-15 -8.583855063129299E-15 1.915600787980936E-12 1.028538196443672E-12 -3.980912522990132E-13 1.639449195353067E-13
peri 6.620356461966813E-14 -1.841249704319384E-13 6.709457183721371E-11 -3.980912522990132E-13 2.035740195749347E-11 6.939449575532125E-14
i 1.36510514471146E-15 -3.741197658691626E-15 7.407740638753932E-13 1.639449195353067E-13 6.939449575532125E-14 4.810576436375276E-14

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.91   n/a E2021B10  
diameter diameter 31.494 km 0.310 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.147 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Oey, J. (2008) Minor Planet Bull. 35, 132-135.]
[Oey, J. (2009) Minor Planet Bull. 36, 162-165.]
[Pilcher, F. (2013) Minor Planet Bull. 40, 85-87.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
[Behrend, R. (2020) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.352   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
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 (A882 OA)          Discovered 1882-Jul-19 by Palisa, J. at Vienna
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A882 OA = A912 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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