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3184 Raab (1949 QC)
Classification: Main-belt Asteroid          SPK-ID: 2003184
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2618027996868053 3.987e-08  
a 2.667933239816222 1.0505e-08 au
q 1.969460848254846 1.0431e-07 au
i 8.199374156575265 4.1342e-06 deg
node 97.08549138892566 3.0067e-05 deg
peri 238.1456544977453 3.154e-05 deg
M 89.83428984739635 1.0665e-05 deg
tp 2458603.307991397074
(2019-Apr-29.80799140)
4.6741e-05 TDB
period 1591.698708143097
4.36
9.4013e-06
2.574e-08
d
yr
n .2261734574252323 1.3359e-09 deg/d
Q 3.366405631377598 1.3256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2545  
   data-arc span      26003 days (71.19 yr)  
   first obs. used      1949-08-22  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42789  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:26  

Additional Information
 Earth MOID = .973744 au 
 Jupiter MOID = 2.05571 au 
 T_jup = 3.318 
[ 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 12.3   n/a MPO502183  
diameter diameter 19.280 km 0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 274.944 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.047   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3184 Raab (1949 QC)          Discovered 1949-Aug-22 by Johnson, E. L. at Johannesburg (UO)
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
1998-May-13 20:55 < 00:01 Vesta 0.0166743568751527 0.0166731268975003 0.0166755868700902 4.90729880369251 4.90729734956309 2450947.371707056 0.349878183834918 71.76406786676 43.0373126158032 40.8320650702888 45995.0085116523 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:33 2020-Nov-13 04:02
2020-Feb-19 14:47 < 00:01 Vesta 0.020806720342226 0.0208053362356772 0.0208081044742893 4.77014151416299 4.77014031532705 2458899.115925386 0.42875105309246 82.9177792660253 42.8659589820687 40.6885541515264 55070.7243423223 T 31 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:33 2020-Nov-13 04:02

Alternate Designations
 1949 QC = 1970 GR1 = 1975 SG = 1980 WF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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