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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633250375851176 3.208e-08  
a 2.435867841018287 6.0526e-09 au
q 2.038029634331596 7.8308e-08 au
i 2.749656676326279 3.3819e-06 deg
node 199.739372205206 7.4119e-05 deg
peri 57.05006788004412 7.4791e-05 deg
M 16.76850346988025 1.0048e-05 deg
tp 2458935.819880465625
(2020-Mar-27.31988047)
3.8729e-05 TDB
period 1388.605910730162
3.80
5.1755e-06
1.417e-08
d
yr
n .2592528212779271 9.6627e-10 deg/d
Q 2.833706047704978 7.0411e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3484  
   data-arc span      41645 days (114.02 yr)  
   first obs. used      1906-07-31  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4218  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:38:10  

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. 2019-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1988-Apr-24 21:49 < 00:01 Europ 0.0317137255722537 0.0317127377392839 0.0317147134135001 3.30837527831175 3.30837517701169 2447276.409260777 0.733003160587378 57.139187156642 23.4808484572998 33.8795222309045 131920.127379044 T 37 CATAB v2.0f-lin.ifort 2020-Aug-24 22:38:30 2020-Aug-24 22:38
2157-Nov-24 07:19 < 00:01 Juno 0.0431992204037494 0.043192626870049 0.0432058146290653 8.36391148463774 8.36391145096638 2509215.805102805 0.361362675047863 427.630664246073 28.1815292365097 39.864521122914 147406.594594232 T 37 CATAB v2.0f-lin.ifort 2020-Aug-24 22:38:30 2020-Aug-24 22:38

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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