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19678 Belczyk (1999 RO168)
Classification: Main-belt Asteroid          SPK-ID: 2019678
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008122568793871708 4.877e-08  
a 2.89012795145849 1.3903e-08 au
q 2.866652688349677 1.3703e-07 au
i 1.802340733708524 4.0504e-06 deg
node 349.6719781129453 0.00011591 deg
peri 355.9137057572469 0.0002564 deg
M 121.8853369275602 0.00022911 deg
tp 2458592.892685111754
(2019-Apr-19.39268511)
0.0011425 TDB
period 1794.626317436125
4.91
1.295e-05
3.546e-08
d
yr
n .2005988636755926 1.4475e-09 deg/d
Q 2.913603214567304 1.4016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1545  
   data-arc span      10604 days (29.03 yr)  
   first obs. used      1992-02-24  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47359  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:01:59  

Additional Information
 Earth MOID = 1.85438 au 
 Jupiter MOID = 2.08857 au 
 T_jup = 3.290 
[ 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 14.15   n/a E2021B10  

19678 Belczyk           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Pamela Belczyk mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. She teaches at the Brentwood Middle School, Pittsburgh, Pennsylvania.
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
 1999 RO168 = 1992 EF8 = 1994 PJ18 = 1994 RW18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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