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14021 (1994 PL20)
Classification: Main-belt Asteroid          SPK-ID: 2014021
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147831890703486 3.5358e-08  
a 2.405957954282191 8.5372e-09 au
q 2.12979442752051 8.3614e-08 au
i 2.513706844384094 4.3458e-06 deg
node 166.1150296581667 7.3604e-05 deg
peri 330.0937499157235 7.6082e-05 deg
M 226.3358141987776 2.0901e-05 deg
tp 2459706.607803517225
(2022-May-07.10780352)
8.0593e-05 TDB
period 1363.108660514016
3.73
7.2552e-06
1.986e-08
d
yr
n .264102202875189 1.4057e-09 deg/d
Q 2.682121481043873 9.5171e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      9603 days (26.29 yr)  
   first obs. used      1994-08-12  
   last obs. used      2020-11-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:15:53  

Additional Information
 Earth MOID = 1.14382 au 
 Jupiter MOID = 2.33829 au 
 T_jup = 3.512 
[ 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 15.57   n/a E2021B10  
rotation period rot_per 10.261 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]

14021 (1994 PL20)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20000320/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 PL20 = 1995 YV9 = 1998 SW98 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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