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2276 Warck (1933 QA)
Classification: Main-belt Asteroid          SPK-ID: 2002276
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1712949499622425 3.0819e-08  
a 2.373976248755053 7.2345e-09 au
q 1.967326106013005 7.4379e-08 au
i 2.467237613751546 3.5498e-06 deg
node 215.36020324362 7.7426e-05 deg
peri 55.4852279270272 7.8134e-05 deg
M 299.0642681586638 1.2301e-05 deg
tp 2459226.642668147639
(2021-Jan-12.14266815)
4.605e-05 TDB
period 1336.020066930977
3.66
6.1071e-06
1.672e-08
d
yr
n .2694570305571606 1.2317e-09 deg/d
Q 2.780626391497102 8.4738e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2997  
   data-arc span      31745 days (86.91 yr)  
   first obs. used      1933-08-18  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:11:03  

Additional Information
 Earth MOID = .952464 au 
 Jupiter MOID = 2.31616 au 
 T_jup = 3.522 
[ show covariance matrix ]

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 13.0   n/a MPO502175  
diameter diameter 15.038 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.054 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2002) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.069   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2276 Warck (1933 QA)          Discovered 1933-Aug-18 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1933 QA = 1948 TY = 1951 MB = 1977 RK3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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