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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1680307296238285 4.2198e-08  
a 2.24676834637616 5.2e-09 au
q 1.869242221838851 9.4275e-08 au
i 2.681020307216559 4.5991e-06 deg
node 201.6079701693648 6.5524e-05 deg
peri 171.0100148226095 6.6123e-05 deg
M 165.4025086745232 9.5743e-06 deg
tp 2458035.334733599494
(2017-Oct-08.83473360)
3.2167e-05 TDB
period 1230.087122224651
3.37
4.2705e-06
1.169e-08
d
yr
n .2926621972506539 1.016e-09 deg/d
Q 2.624294470913469 6.0738e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2561  
   data-arc span      31219 days (85.47 yr)  
   first obs. used      1933-11-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41357  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-29 19:22:52  

Additional Information
 Earth MOID = .868779 au 
 Jupiter MOID = 2.83769 au 
 T_jup = 3.610 
[ 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 13.42   n/a PDS3 (MPC 17262)  
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-January); 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

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