Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1262117083665397 2.1236e-08  
a 3.19351227989844 1.3784e-08 au
q 2.790453639362935 7.4441e-08 au
i 2.664481445146773 2.4951e-07 deg
node 95.57187228678173 1.7265e-05 deg
peri 3.863717760268552 1.6109e-05 deg
M 253.5030760577425 7.0381e-06 deg
tp 2459817.145938803453
(2022-Aug-25.64593880)
4.2457e-05 TDB
period 2084.49718312622
5.71
1.3496e-05
3.695e-08
d
yr
n .1727035195413845 1.1182e-09 deg/d
Q 3.596570920433945 1.5524e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2990  
   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      .44594  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 12:58:01  

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 1.79146701121457 1.79146671872498 1.79146730370426 2.88496175900527 2.71613428778747 2446706.973630088 0.608959518660864 27.9726554919207 3.66198342753525 74.0058418204807 9486487.35313654 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
1997-Aug-15 20:27 < 00:01 Jupiter 1.61687348864224 1.61687333411495 1.61687364316953 1.95284183284753 1.6630881982295 2450676.352292558 0.366722172698029 19.1129025059111 6.69532458512903 -88.907559286168 6514776.61860957 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2008-Jul-17 03:32 < 00:01 Jupiter 1.59134464708256 1.59134447634322 1.5913448178218 1.68544473609369 1.33273669559532 2454664.647168684 0.141360334240284 22.7658267653254 12.4321372077927 -15.191955738362 5219164.60185713 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2019-Jun-23 07:34 < 00:01 Jupiter 1.72989715718291 1.72989700700731 1.72989730735851 1.99039541257365 1.72696233381922 2458657.815591345 0.181967530881067 9.30273742625572 4.79519272481234 -57.1657797119712 7483464.91212315 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2030-May-22 09:07 < 00:01 Jupiter 1.96587615463923 1.9658759328265 1.96587637645207 2.75119328806526 2.58985314326377 2462643.879926520 0.399491827163117 15.3197385969873 3.73172510773695 64.1186308455189 8920412.032791 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2117-Sep-27 07:39 00:02 Jupiter 1.85063982419607 1.85063901638261 1.85064063201028 3.23072900645185 3.08581050653426 2494547.818972579 1.81025045950337 74.636330626016 4.66938583753078 69.0728487738624 9594626.85605505 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2128-Aug-03 15:48 00:02 Jupiter 1.63195310388679 1.63195249644797 1.63195371132644 2.09384607544492 1.82924677668124 2498511.158092130 1.9806016078005 82.1219463312957 3.71180433321136 -78.9344416056438 6800328.42105545 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2139-Jun-30 03:53 00:02 Jupiter 1.56018785891743 1.56018770315469 1.56018801468017 1.65487561138794 1.28561959417806 2502493.661799809 2.11995956091028 97.6684005705753 19.9501546126733 -69.3687856599522 5782810.01793454 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2150-Jun-03 21:36 00:02 Jupiter 1.66545979016076 1.66545899078085 1.6654605895402 1.84826222372997 1.54884139736922 2506485.399729426 2.3788188731362 22.6653051334629 9.64395314134646 -89.1773672677926 2957803.8073521 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59
2161-May-01 21:51 00:03 Jupiter 1.8958821086088 1.8958808110761 1.89588340614161 2.54138972869119 2.35905119216453 2510470.410289330 2.66386506453487 70.8813813437658 3.79720573582627 58.651235954193 7571440.60365215 T 37 CATAB v2.0f-lin.ifort 2021-Mar-16 12:59:22 2021-Mar-16 12:59

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 13:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin