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2149 Schwambraniya (1977 FX)
Classification: Main-belt Asteroid          SPK-ID: 2002149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1071266663723508 3.1365e-08  
a 2.549385821485295 1.0251e-08 au
q 2.276278617132639 7.946e-08 au
i 7.723499041036678 4.5138e-06 deg
node 62.59132481881648 2.2987e-05 deg
peri 228.9256200135197 3.1101e-05 deg
M 136.0761928164334 2.0541e-05 deg
tp 2458438.506328300884
(2018-Nov-16.00632830)
8.5083e-05 TDB
period 1486.797342167033
4.07
8.9673e-06
2.455e-08
d
yr
n .2421311834437999 1.4604e-09 deg/d
Q 2.822493025837952 1.1349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2770  
   data-arc span      24091 days (65.96 yr)  
   first obs. used      1954-11-16  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42608  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:12:12  

Additional Information
 Earth MOID = 1.26868 au 
 Jupiter MOID = 2.32174 au 
 T_jup = 3.420 
[ 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 11.7   n/a MPO347535  
diameter diameter 11.180 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.070 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.]
geometric albedo albedo 0.156   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2149 Schwambraniya           Discovered 1977 Mar. 22 by N. S. Chernykh at the Crimean Astrophysical Observatory.
Named for the wonderland created by the characters in L. A. Kassil's children's novel "Conduite and Schwambraniya".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC 5284Last Updated: 2007-10-23

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Alternate Designations
 1977 FX = 1937 NV = 1954 WA = 1954 WJ = 1969 JL = 1970 RC = 1973 GA1 = 1973 GB = 1974 QB2 = 1975 XA6 = 1977 JB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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