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1422 Stromgrenia (1936 QF)
Classification: Main-belt Asteroid          SPK-ID: 2001422
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1675795306640562 3.6871e-08  
a 2.247992942236669 4.8032e-09 au
q 1.871275340040537 8.3103e-08 au
i 2.679951034974091 4.1149e-06 deg
node 201.58322039395 6.3772e-05 deg
peri 170.8661140389561 6.437e-05 deg
M 282.5971822751396 9.3545e-06 deg
tp 2459265.194618619671
(2021-Feb-19.69461862)
3.2266e-05 TDB
period 1231.092943435265
3.37
3.9457e-06
1.08e-08
d
yr
n .2924230878908697 9.3722e-10 deg/d
Q 2.6247105444328 5.6081e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2811  
   data-arc span      31664 days (86.69 yr)  
   first obs. used      1933-11-19  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40707  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:34:00  

Additional Information
 Earth MOID = .871587 au 
 Jupiter MOID = 2.84056 au 
 T_jup = 3.609 
[ 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 13.3   n/a MPO473783  
diameter diameter 5.814 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 3.5051 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.224   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.868   0.039 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=.70 deg.
U-B UB 0.519   0.059 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=.70 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices

1422 Stromgrenia (1936 QF)          Discovered 1936-Aug-23 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1936 QF = 1933 WB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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