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39420 Elizabethgaskell (2084 T-2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2039420
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07929218059803006 3.6815e-08  
a 1.961024765940903 5.6897e-09 au
q 1.805530836042707 7.0489e-08 au
i 21.51743562233761 4.5827e-06 deg
node 187.4660347959338 8.5724e-06 deg
peri 317.8635661945731 2.8649e-05 deg
M 224.5790943997957 2.8545e-05 deg
tp 2459377.816899857740
(2021-Jun-12.31689986)
7.9971e-05 TDB
period 1003.051067682283
2.75
4.3654e-06
1.195e-08
d
yr
n .3589049566856453 1.562e-09 deg/d
Q 2.116518695839098 6.1408e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1557  
   data-arc span      16787 days (45.96 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-09-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41816  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:00:02  

Additional Information
 Earth MOID = .834708 au 
 Jupiter MOID = 2.88314 au 
 T_jup = 3.792 
[ 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 15.0   n/a MPO385067  
diameter diameter 1.789 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 105. 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:
[Masiero, J.; Jedicke, R.; Durecy, J.; Gwyn, S.; et al. (2009) Icarus 204, 145-171.]
geometric albedo albedo 0.503   0.101 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39420 Elizabethgaskell           Discovered 1973 Sept. 29 by C. J. van Houten and I. van Houten-Groeneveld on Palomar Schmidt plates taken by T. Gehrels.
Elizabeth Gaskell (1810-1865) was a 19th-century English novelist, best known for her 1853 novel Cranford.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2013-07-22Last Updated: 2014-08-13

[ show close-approach data ]
Alternate Designations
 2084 T-2 = 1994 EX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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