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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714033150433872 1.0781e-08  
a 2.374148812097604 7.0356e-09 au
q 1.967211835297755 2.7634e-08 au
i 2.467183174875825 3.4205e-07 deg
node 215.3574771841087 2.2751e-05 deg
peri 55.50242166187103 2.4279e-05 deg
M 352.9484180435275 1.0031e-05 deg
tp 2459226.672450652653
(2021-Jan-12.17245065)
3.7291e-05 TDB
period 1336.16574168961
3.66
5.9395e-06
1.626e-08
d
yr
n .2694276531478591 1.1976e-09 deg/d
Q 2.781085788897453 8.2416e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3022  
   data-arc span      31745 days (86.91 yr)  
   first obs. used      1933-08-18  
   last obs. used      2020-07-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:34:36  

Additional Information
 Earth MOID = .950548 au 
 Jupiter MOID = 2.31483 au 
 T_jup = 3.521 
[ 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 13.02   n/a E2021B10  
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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