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22874 Haydeephelps (1999 RO197)
Classification: Main-belt Asteroid          SPK-ID: 2022874
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08016443090927944 1.5154e-08  
a 2.27484463684788 7.641e-09 au
q 2.092483011127943 3.6105e-08 au
i 5.999320896537293 1.2852e-06 deg
node 295.8282035663285 5.5012e-06 deg
peri 151.6652913604403 1.6615e-05 deg
M 351.2494814908179 1.7627e-05 deg
tp 2459230.961923694811
(2021-Jan-16.46192369)
6.1385e-05 TDB
period 1253.216311539108
3.43
6.3142e-06
1.729e-08
d
yr
n .2872608636555923 1.4473e-09 deg/d
Q 2.457206262567817 8.2536e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1762  
   data-arc span      8921 days (24.42 yr)  
   first obs. used      1996-10-10  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:07  

Additional Information
 Earth MOID = 1.11083 au 
 Jupiter MOID = 2.67488 au 
 T_jup = 3.598 
[ 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 14.42   n/a E2021B10  

22874 Haydeephelps           Discovered 1999 Sept. 8 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Haydee Phelps mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Summit Middle School, Boulder, Colorado.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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