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1624 Rabe (1931 TT1)
Classification: Main-belt Asteroid          SPK-ID: 2001624
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08982990393164725 3.5299e-08  
a 3.197167466308327 1.4596e-08 au
q 2.909966219956462 1.1072e-07 au
i 1.98691630554061 3.8223e-06 deg
node 133.3927968960752 0.00012005 deg
peri 22.71386609476281 0.00012221 deg
M 98.4114424280319 2.2533e-05 deg
tp 2458429.692591723357
(2018-Nov-07.19259172)
0.00013065 TDB
period 2088.07697468581
5.72
1.4299e-05
3.915e-08
d
yr
n .1724074372565546 1.1806e-09 deg/d
Q 3.484368712660193 1.5907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2512  
   data-arc span      33715 days (92.31 yr)  
   first obs. used      1928-02-26  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46865  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:33:50  

Additional Information
 Earth MOID = 1.91973 au 
 Jupiter MOID = 1.4981 au 
 T_jup = 3.188 
[ 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 11.4   n/a MPO473786  
diameter diameter 26.270 km 0.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.877 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2019) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.085   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1624 Rabe (1931 TT1)          Discovered 1931-Oct-09 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1931 TT1 = 1928 DS = 1934 FS = 1939 BN = 1954 UP2 = 1957 JU = 1977 VA2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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