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3030 Vehrenberg (1981 EH16)
Classification: Main-belt Asteroid          SPK-ID: 2003030
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2442074699534008 3.0392e-08  
a 2.270630216811425 5.6668e-09 au
q 1.716125356364165 7.0026e-08 au
i 3.490220201409648 4.0322e-06 deg
node 292.7480059101583 5.8863e-05 deg
peri 109.993468841816 5.9518e-05 deg
M 287.122341662511 9.4429e-06 deg
tp 2459253.493844883954
(2021-Feb-07.99384488)
3.3246e-05 TDB
period 1249.735326791803
3.42
4.6784e-06
1.281e-08
d
yr
n .2880609936218706 1.0784e-09 deg/d
Q 2.825135077258684 7.0507e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1790  
   data-arc span      21134 days (57.86 yr)  
   first obs. used      1962-09-22  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48112  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:59:04  

Additional Information
 Earth MOID = .728806 au 
 Jupiter MOID = 2.59663 au 
 T_jup = 3.570 
[ 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 13.8   n/a MPO319121  
diameter diameter 4.326 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.812 h n/a LCDB (Rev. 2019-August); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.180   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3030 Vehrenberg (1981 EH16)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
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
1900-Nov-04 17:38 < 00:01 Hebe 0.0219627447429458 0.0219611872763601 0.0219643055024676 6.77214494840647 6.77214490660951 2415328.234685388 0.477145529196612 449.307935558744 22.2719943933195 -80.4478024446715 145444.341309298 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:59:15 2020-Aug-24 22:59
2005-Jul-24 02:02 < 00:01 Hygie 0.0218895512615203 0.0218889559811401 0.0218901465446214 3.69045504149609 3.69045456321229 2453575.584709521 0.708396916545902 41.6058241248104 26.9418368683104 -67.1488493318597 115851.993153844 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:59:15 2020-Aug-24 22:59
2156-Jul-30 01:26 00:04 Hygie 0.0393902461734437 0.039384826015757 0.0393956665835637 3.78264082492871 3.78264056561909 2508733.559607809 4.0882832174133 313.260176167285 43.4627126064564 30.8596486118137 71248.5138673814 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:59:15 2020-Aug-24 22:59
2200-Dec-20 05:20 00:06 Hygie 0.0234753929122136 0.0234713699458426 0.0234794170125291 3.6303134019293 3.63031294856693 2524946.722448477 6.16110465864426 330.615643465244 43.5424091343646 53.385480490462 64903.1580439924 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:59:15 2020-Aug-24 22:59

Alternate Designations
 1981 EH16 = 1962 SC = 1969 XD = 1977 BU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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