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933 Susi (1927 CH)
Classification: Main-belt Asteroid          SPK-ID: 2000933
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1665584766714819 2.9157e-08  
a 2.367277714182118 5.9727e-09 au
q 1.972987544249596 6.9029e-08 au
i 5.542652938172298 3.3979e-06 deg
node 141.4236341487279 3.7424e-05 deg
peri 13.1794868762122 3.9025e-05 deg
M 207.3148115311378 1.1198e-05 deg
tp 2459564.743610777331
(2021-Dec-16.24361078)
4.2027e-05 TDB
period 1330.369382366542
3.64
5.0348e-06
1.378e-08
d
yr
n .2706015372659961 1.0241e-09 deg/d
Q 2.761567884114639 6.9675e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2509  
   data-arc span      34080 days (93.31 yr)  
   first obs. used      1927-02-10  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:23:10  

Additional Information
 Earth MOID = .983686 au 
 Jupiter MOID = 2.22916 au 
 T_jup = 3.522 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO439071  
diameter diameter 21.82 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 10
rotation period rot_per 4.6222 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Bin, L.; Haibin, Z.; Jingshen, Y. (2011) Minor Planet Bull. 38, 179-180.]
[Higgins, D.J. (2011) http://www.david-higgins.com/Astronomy/asteroid/lightcurves.htm]
[Strabla, L.; Quadri, U.; Girelli, R. (2011) Minor Planet Bull. 38, 169-172.]
[Fauvaud, S.; Fauvaud, M. (2013) Minor Planet Bull. 40, 224-229.]
geometric albedo albedo 0.0707   0.010 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 10

933 Susi (1927 CH)          Discovered 1927-Feb-10 by Reinmuth, K. at Heidelberg
The original planet 715 Transvaalia, discovered 1911 Apr. 22 by H. E. Wood, was recovered on 1920 Apr. 23 as 1920 GZ and given the designation 933 Susi. The identity was discovered in 1928 and the older designation 715 Transvaalia was retained. In the same year the designation 933 Susi was assigned to a newly-discovered planet.
Note: "planet" implies "minor planet"
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1927 CH = 1938 DD1 = 1938 ET 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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