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1674 Groeneveld (1938 DS)
Classification: Main-belt Asteroid          SPK-ID: 2001674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262117308345574 3.1549e-08  
a 3.193512281406984 1.3942e-08 au
q 2.790453568929192 1.0488e-07 au
i 2.664481894975836 3.3851e-06 deg
node 95.57191770444861 8.3099e-05 deg
peri 3.863673971628951 8.4445e-05 deg
M 253.5030723573483 1.5932e-05 deg
tp 2459817.145960666669
(2022-Aug-25.64596067)
9.2987e-05 TDB
period 2084.497184603224
5.71
1.365e-05
3.737e-08
d
yr
n .1727035194190126 1.1309e-09 deg/d
Q 3.596570993884776 1.5701e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2968  
   data-arc span      30289 days (82.93 yr)  
   first obs. used      1938-02-06  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44591  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:57:17  

Additional Information
 Earth MOID = 1.80714 au 
 Jupiter MOID = 1.55466 au 
 T_jup = 3.182 
[ 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 11.35   n/a E2021B10 IRAS observations used: 3
diameter diameter 32.386 km 0.393 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 8.02 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Tedesco, E.F. (1979) PhD Dissertation, New. Mex. State Univ. 280pp.]
[Mas, V.; Fornas, G.; Lozano, J.; Rodrigo, O.; et al. (2018) Minor Planet Bull. 45, 76-82.]
geometric albedo albedo 0.063   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.790   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.09 deg.
U-B UB 0.530   0.040 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=2.09 deg.

1674 Groeneveld (1938 DS)          Discovered 1938-Feb-07 by Reinmuth, K. at Heidelberg
Provisional designation is associated with an independent discovery Feb. 22 by Y. Vaisala, Turku, which was announced first. A third independent discovery earlier on Feb. 22 was made by G. Kulin, Budapest.
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
1986-Oct-03 11:22 < 00:01 Jupiter 1.79146701185684 1.79146651159675 1.79146751211693 2.88496171275189 2.71613423872151 2446706.973650291 0.673738489994325 41.1106636714581 11.462576062798 78.2567267728287 2801318.2551586 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
1997-Aug-15 20:27 < 00:01 Jupiter 1.61687343413323 1.61687304360328 1.6168738246629 1.9528415820738 1.66308789314508 2450676.352299428 0.432188791841207 47.1031488252159 15.6538830474835 82.8109557292249 2513312.86190452 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2008-Jul-17 03:32 < 00:01 Jupiter 1.59134456550711 1.59134425982515 1.5913448711888 1.68544444634409 1.33273630869062 2454664.647167345 0.219150299197004 66.9208602480658 38.7057448409309 75.119766369722 2795239.97810313 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2019-Jun-23 07:34 < 00:01 Jupiter 1.72989708813839 1.72989681592265 1.72989736035412 1.99039507585168 1.72696193441704 2458657.815610396 0.239715251947553 55.6240932759881 10.3128155282982 87.8057937506979 3786116.49569336 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2030-May-22 09:07 < 00:01 Jupiter 1.96587612445119 1.96587575440423 1.96587649449814 2.75119304449803 2.58985288196831 2462643.879939537 0.429756650141076 44.6199638065003 11.3499890905234 86.1097524975202 4265509.26332895 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2117-Sep-27 07:39 00:02 Jupiter 1.85063981908222 1.85063895575089 1.85064068241408 3.23072894337977 3.08581044009028 2494547.818967308 1.82721648266652 80.3381726016812 14.6383447452473 71.6012009852077 2740208.44167897 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2128-Aug-03 15:48 00:02 Jupiter 1.63195304953819 1.63195234969938 1.63195374937728 2.09384577264367 1.82924642063078 2498511.158069332 1.99967198587534 90.067838825517 12.3096077805391 -81.7188690445902 2011183.61726024 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2139-Jun-30 03:53 00:02 Jupiter 1.56018778165994 1.56018746042726 1.56018810289235 1.65487533835506 1.28561922181384 2502493.661793418 2.14055722113237 113.578977322532 54.3765342028693 -78.5983805407837 2521169.39818427 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2150-Jun-03 21:36 00:02 Jupiter 1.66545972933768 1.66545891123482 1.66546054743997 1.84826192599011 1.54884103007861 2506485.399725109 2.40140828831457 62.940051434253 16.9153180503361 84.2166113942374 1970357.70618304 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57
2161-May-01 21:51 00:03 Jupiter 1.89588209012901 1.89588077670329 1.89588340355474 2.54138957428763 2.35905102398062 2510470.410270692 2.68865885707341 82.2128565389895 21.290795382319 67.1339405038991 1955184.81649371 T 36 CATAB v2.0f-lin.ifort 2021-Feb-24 00:57:26 2021-Feb-24 00:57

Alternate Designations
 1938 DS = 1949 DF = 1953 VE2 = 1955 DF = 1966 FK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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