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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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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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171403291586077 3.0813e-08  
a 2.374148809073445 7.144e-09 au
q 1.967211888483092 7.4372e-08 au
i 2.467176696085986 3.5497e-06 deg
node 215.3575409939414 7.7429e-05 deg
peri 55.50234998510502 7.8136e-05 deg
M 352.9484247259048 1.2395e-05 deg
tp 2459226.672425800525
(2021-Jan-12.17242580)
4.605e-05 TDB
period 1336.165739136624
3.66
6.0309e-06
1.651e-08
d
yr
n .2694276536626491 1.2161e-09 deg/d
Q 2.781085729663798 8.3685e-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 = .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

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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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