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2943 Heinrich (1933 QU)
Classification: Main-belt Asteroid          SPK-ID: 2002943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 59 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154464753986338 3.686e-08  
a 2.447789413312622 8.7482e-09 au
q 2.069692223774925 8.6296e-08 au
i 12.91719429138634 6.8171e-07 deg
node 313.8876096528269 3.8235e-06 deg
peri 44.72763764823186 8.5766e-06 deg
M 262.6958187506506 1.2335e-05 deg
tp 2459578.584181074786
(2021-Dec-30.08418107)
4.9465e-05 TDB
period 1398.812501573082
3.83
7.4988e-06
2.053e-08
d
yr
n .2573611542613108 1.3797e-09 deg/d
Q 2.825886602850318 1.0099e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1961  
   data-arc span      31986 days (87.57 yr)  
   first obs. used      1933-08-25  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44789  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 20:38:30  

Additional Information
 Earth MOID = 1.08147 au 
 Jupiter MOID = 2.63546 au 
 T_jup = 3.447 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.73   n/a E2021B10  
diameter diameter 7.535 km 0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 8.7923 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pray, D.P.; Kusnirak, P.; Galad, A.; Vilagi, J.; et al. (2007) Minor Planet Bull. 34, 44-46.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.249   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

2943 Heinrich (1933 QU)          Discovered 1933-Aug-25 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1933 QU = 1970 EJ2 = 1977 AM1 = 1979 OK14 = 1979 SY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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