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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167137877773279 1.7192e-08  
a 2.247161775803626 4.5496e-09 au
q 1.871575925582575 3.8464e-08 au
i 2.680406076862534 5.3904e-07 deg
node 201.5495510129224 7.8847e-06 deg
peri 170.94039263 1.1032e-05 deg
M 38.37584626501448 7.196e-06 deg
tp 2459265.338794341234
(2021-Feb-19.83879434)
2.439e-05 TDB
period 1230.410235414205
3.37
3.7366e-06
1.023e-08
d
yr
n .2925853423828271 8.8855e-10 deg/d
Q 2.622747626024677 5.31e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3066  
   data-arc span      31838 days (87.17 yr)  
   first obs. used      1933-11-19  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40524  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:21:46  

Additional Information
 Earth MOID = .871095 au 
 Jupiter MOID = 2.84446 au 
 T_jup = 3.610 
[ 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 13.34   n/a MPCxxxxx  
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. 2020-October); 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

Alternate Designations
 1936 QF = 1933 WB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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