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1106 Cydonia (1929 CW)
Classification: Main-belt Asteroid          SPK-ID: 2001106
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1259042613423956 1.0041e-08  
a 2.597065989811383 8.1084e-09 au
q 2.270084314706723 2.8768e-08 au
i 13.06416970287068 2.5071e-07 deg
node 328.2443448593691 2.23e-06 deg
peri 230.1758053170171 8.1844e-06 deg
M 307.145797310221 8.6027e-06 deg
tp 2459424.939829092630
(2021-Jul-29.43982909)
3.672e-05 TDB
period 1528.702248099028
4.19
7.1592e-06
1.96e-08
d
yr
n .2354938644511494 1.1029e-09 deg/d
Q 2.924047664916042 9.1293e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3143  
   data-arc span      33641 days (92.10 yr)  
   first obs. used      1929-02-05  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .39155  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 11:59:41  

Additional Information
 Earth MOID = 1.29334 au 
 Jupiter MOID = 2.12599 au 
 T_jup = 3.369 
[ 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 11.83   n/a E2021B10  
diameter diameter 12.140 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 2.679 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Klinglesmith III, D.A.; Hendrickx, S.; Madden, K.; Montgomery, S. (2016) Minor Planet Bull. 43, 234-239.]
[Aznar, A.M. (2017) Minor Planet Bull. 44, 276-279.]
[Stephens, R.D.; Warner, B.D. (2020) Minor Planet Bull. 47, 224-230.]
geometric albedo albedo 0.241   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1106 Cydonia (1929 CW)          Discovered 1929-Feb-05 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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