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19941 (1981 ES24)
Classification: Main-belt Asteroid          SPK-ID: 2019941
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03883483773875587 3.9319e-08  
a 2.268216585555835 7.8963e-09 au
q 2.180130762499419 8.9895e-08 au
i 6.60752074040302 4.5235e-06 deg
node 337.4021840291848 3.1736e-05 deg
peri 167.2629512119903 6.4902e-05 deg
M 259.6178223941169 5.6612e-05 deg
tp 2459548.419941302391
(2021-Nov-29.91994130)
0.00019679 TDB
period 1247.743193623646
3.42
6.5156e-06
1.784e-08
d
yr
n .2885209086611022 1.5066e-09 deg/d
Q 2.356302408612251 8.2029e-09 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      15061 days (41.23 yr)  
   first obs. used      1979-10-18  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52214  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:09:55  

Additional Information
 Earth MOID = 1.19154 au 
 Jupiter MOID = 2.62811 au 
 T_jup = 3.605 
[ 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 15.89   n/a E2021B10  

19941 (1981 ES24)          Discovered 1981-Mar-02 by Bus, S. J. at Siding Spring
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1981 ES24 = 1998 FN22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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