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19813 Ericsands (2000 SF121)
Classification: Main-belt Asteroid          SPK-ID: 2019813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05158390893753263 3.5804e-08  
a 2.360952868204114 7.8396e-09 au
q 2.239165690444866 8.4276e-08 au
i 6.492733682228606 4.3085e-06 deg
node 160.1768062433739 2.7128e-05 deg
peri 322.6495325575231 4.61e-05 deg
M 167.9276675730514 3.75e-05 deg
tp 2458778.413642336846
(2019-Oct-21.91364234)
0.00013801 TDB
period 1325.041263149441
3.63
6.5997e-06
1.807e-08
d
yr
n .2716896522485115 1.3532e-09 deg/d
Q 2.482740045963362 8.244e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1379  
   data-arc span      10057 days (27.53 yr)  
   first obs. used      1993-12-10  
   last obs. used      2021-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:16:54  

Additional Information
 Earth MOID = 1.25825 au 
 Jupiter MOID = 2.53021 au 
 T_jup = 3.541 
[ 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 15.14   n/a E2021B10  
rotation period rot_per 4.03233 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.]

19813 Ericsands           Discovered 2000 Sept. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Eric Sands mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. He teaches at the Fruitvale Junior High School, Bakersfield, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

Alternate Designations
 2000 SF121 = 1996 RT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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