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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633250443174052 3.12e-08  
a 2.4358678396224 5.8306e-09 au
q 2.03802961676473 7.5834e-08 au
i 2.749657307434033 3.2361e-06 deg
node 199.7393831496047 7.2754e-05 deg
peri 57.05005612266979 7.3434e-05 deg
M 16.76850536001495 9.7823e-06 deg
tp 2458935.819873230522
(2020-Mar-27.31987323)
3.7718e-05 TDB
period 1388.60590953654
3.80
4.9857e-06
1.365e-08
d
yr
n .2592528215007764 9.3083e-10 deg/d
Q 2.833706062480071 6.7828e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3696  
   data-arc span      41742 days (114.28 yr)  
   first obs. used      1906-07-31  
   last obs. used      2020-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41128  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:01:55  

Additional Information
 Earth MOID = 1.02471 au 
 Jupiter MOID = 2.21753 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 11.6   n/a MPO473786 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. 2020-October); 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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