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19422 (1998 FV56)
Classification: Main-belt Asteroid          SPK-ID: 2019422
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2302105777304924 4.5742e-08  
a 2.544812744574316 1.6514e-08 au
q 1.958969932429943 1.1895e-07 au
i 5.372271321684764 4.9356e-06 deg
node 19.91319891774966 5.0053e-05 deg
peri 332.1917090591639 5.3079e-05 deg
M 57.86568791513305 1.8287e-05 deg
tp 2458962.157882644395
(2020-Apr-22.65788264)
7.6237e-05 TDB
period 1482.798621073308
4.06
1.4433e-05
3.952e-08
d
yr
n .2427841480857447 2.3632e-09 deg/d
Q 3.130655556718689 2.0315e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1398  
   data-arc span      18067 days (49.46 yr)  
   first obs. used      1971-09-26  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4366  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:44  

Additional Information
 Earth MOID = .954036 au 
 Jupiter MOID = 2.31133 au 
 T_jup = 3.400 
[ 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 14.14   n/a E2021B10  
diameter diameter 4.396 km 0.712 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 73.0378 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.252   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19422 (1998 FV56)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FV56 = 1971 SW3 = 1991 ND2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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