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1650 Heckmann (1937 TG)
Classification: Main-belt Asteroid          SPK-ID: 2001650
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629244155842422 3.5106e-08  
a 2.434968585931663 7.1563e-09 au
q 2.038252752102758 8.6559e-08 au
i 2.750064321629233 3.8009e-06 deg
node 199.7547147053241 7.5335e-05 deg
peri 57.05196974083653 7.6079e-05 deg
M 273.0016662425185 1.1587e-05 deg
tp 2458935.887525214993
(2020-Mar-27.38752521)
4.5135e-05 TDB
period 1387.837029315683
3.80
6.1182e-06
1.675e-08
d
yr
n .2593964510209886 1.1435e-09 deg/d
Q 2.831684419760568 8.3223e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3157  
   data-arc span      41193 days (112.78 yr)  
   first obs. used      1906-07-31  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43332  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:25:42  

Additional Information
 Earth MOID = 1.02463 au 
 Jupiter MOID = 2.21935 au 
 T_jup = 3.485 
[ 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 11.56   n/a IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 6
diameter diameter 30.202 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 14.893 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Higgins, D.; Pravec, P.; Kusnirak, P.; Hornoch, K.; Brinsfield, J.W.; Allen, B.; Warner, B.D. (2008) Minor Planet Bull. 35, 123-126.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.046   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.638   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=7.48, mean=10.54, max.=12.75) deg.
U-B UB 0.200   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=2; phase (min.=12.43, mean=12.59, max.=12.75) deg.
Tholen spectral type spec_T F   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

1650 Heckmann (1937 TG)          Discovered 1937-Oct-11 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1937 TG = 1929 SK = 1940 NB = 1941 UA1 = 1943 DG = 1944 OC = 1947 FA = 1951 GX = 1952 SL1 = 1963 PB = A906 OC = A909 DF 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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