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24820 (1994 YK1)
Classification: Main-belt Asteroid          SPK-ID: 2024820
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1601785553680345 4.2763e-08  
a 2.753230074875216 1.3336e-08 au
q 2.312221658885878 1.183e-07 au
i 6.075650282878548 4.7603e-06 deg
node 303.7251399815697 3.907e-05 deg
peri 62.94240852471515 4.111e-05 deg
M 327.9205604143036 1.3731e-05 deg
tp 2459349.191607360614
(2021-May-14.69160736)
6.4092e-05 TDB
period 1668.638210054285
4.57
1.2124e-05
3.319e-08
d
yr
n .2157447898716692 1.5675e-09 deg/d
Q 3.194238490864553 1.5472e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      9306 days (25.48 yr)  
   first obs. used      1994-12-31  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5105  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:49:42  

Additional Information
 Earth MOID = 1.31652 au 
 Jupiter MOID = 2.30801 au 
 T_jup = 3.318 
[ 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 14.02   n/a E2021B10  
diameter diameter 9.172 km 0.104 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 18.4374 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 0.063   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

24820 (1994 YK1)          Discovered 1994-Dec-31 by Kobayashi, T. at Oizumi
Reference: 20010606/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 YK1 = 2000 CF28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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