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19925 (1979 QD3)
Classification: Main-belt Asteroid          SPK-ID: 2019925
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312047147261786 3.2293e-08  
a 2.248665927218449 7.0807e-09 au
q 1.953630355723274 7.258e-08 au
i 4.454435583752587 4.0469e-06 deg
node 150.78760489062 4.596e-05 deg
peri 243.1541642004981 4.8432e-05 deg
M 39.62924686273529 1.5629e-05 deg
tp 2459064.918899751916
(2020-Aug-03.41889975)
5.3265e-05 TDB
period 1231.645815989684
3.37
5.8174e-06
1.593e-08
d
yr
n .2922918223131569 1.3806e-09 deg/d
Q 2.543701498713623 8.0097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1139  
   data-arc span      15148 days (41.47 yr)  
   first obs. used      1979-08-22  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:09:20  

Additional Information
 Earth MOID = .963119 au 
 Jupiter MOID = 2.86899 au 
 T_jup = 3.613 
[ 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 15.7   n/a MPO435884  
rotation period rot_per 14.747 h n/a LCDB (Rev. 2020-October); 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.]

19925 (1979 QD3)          Discovered 1979-Aug-22 by Lagerkvist, C.-I. at La Silla
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1979 QD3 = 1986 VM4 = 1996 TS62 = 1998 FS39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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