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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1714033165303226 1.0781e-08  
a 2.374148808072179 7.0356e-09 au
q 1.967211828432096 2.7634e-08 au
i 2.467183175514372 3.4205e-07 deg
node 215.3574767176815 2.2751e-05 deg
peri 55.50242282192376 2.4279e-05 deg
M 352.9484185273953 1.0031e-05 deg
tp 2459226.672448790179
(2021-Jan-12.17244879)		 3.7291e-05 TDB
period 1336.16573829136
3.66		 5.9395e-06
1.626e-08		 d
yr
n .2694276538330903 1.1976e-09 deg/d
Q 2.781085787712263 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41291  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 13:44:45  

Additional Information
 Earth MOID = .950548 au 
 Jupiter MOID = 2.31483 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456835.5 (2014-Jun-27.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720474679064032 1.0775e-08  
q 1.96549666673422 2.7628e-08 au
tp 2456553.798003449007
(2013-Sep-18.29800345)		 3.2486e-05 TDB
node 215.4387175245171 2.2779e-05 deg
peri 55.3535586998164 2.4292e-05 deg
i 2.465245094962888 3.4198e-07 deg
   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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41291  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 13:44:45  

Additional Information
 Jupiter MOID = 2.31483 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.161071152213112E-16 -2.912821396479406E-16 2.109013935868E-14 1.176547320803724E-13 -1.118963829449615E-13 -4.577278418968892E-16
q -2.912821396479406E-16 7.632902515455279E-16 -5.665730925626679E-15 -2.84879511887055E-13 2.841482817139403E-13 1.076464810702853E-15
tp 2.109013935868E-14 -5.665730925626679E-15 1.055353199568493E-9 -6.346546089705062E-11 2.944409851645573E-10 1.0167628310758E-12
node 1.176547320803724E-13 -2.84879511887055E-13 -6.346546089705062E-11 5.18861584377444E-10 -5.288342823562475E-10 8.235286453438841E-13
peri -1.118963829449615E-13 2.841482817139403E-13 2.944409851645573E-10 -5.288342823562475E-10 5.901023333555659E-10 -5.479853372628798E-13
i -4.577278418968892E-16 1.076464810702853E-15 1.0167628310758E-12 8.235286453438841E-13 -5.479853372628798E-13 1.1695002127242E-13

[ 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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