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22598 Francespearl (1998 HO117)
Classification: Main-belt Asteroid          SPK-ID: 2022598
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782016562637371 3.0519e-08  
a 2.278858705637601 6.8803e-09 au
q 1.872762309901945 7.0507e-08 au
i 7.212035151098918 3.7715e-06 deg
node 93.54478321582332 2.7179e-05 deg
peri 283.1766768597164 2.9199e-05 deg
M 57.16761722729166 1.1185e-05 deg
tp 2459000.963607911188
(2020-May-31.46360791)
3.8752e-05 TDB
period 1256.534811768914
3.44
5.6905e-06
1.558e-08
d
yr
n .2865022095911551 1.2975e-09 deg/d
Q 2.684955101373258 8.1063e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1877  
   data-arc span      10906 days (29.86 yr)  
   first obs. used      1991-05-05  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:04  

Additional Information
 Earth MOID = .889121 au 
 Jupiter MOID = 2.80217 au 
 T_jup = 3.575 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456817.5 (2014-Jun-09.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1788109387654589 3.0588e-08  
q 1.871717935345675 7.0759e-08 au
tp 2456488.517695385499
(2013-Jul-15.01769539)
3.6615e-05 TDB
node 93.58905313280006 2.7187e-05 deg
peri 283.2362532199899 2.9179e-05 deg
i 7.21136195057225 3.7708e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1877  
   data-arc span      10906 days (29.86 yr)  
   first obs. used      1991-05-05  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:08:04  

Additional Information
 Jupiter MOID = 2.80217 au 
 T_jup = 3.575 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.35646377949888E-16 -2.157559264739909E-15 3.23071347999988E-14 3.41948636215852E-15 -4.947778266353739E-15 1.403905294749163E-16
q -2.157559264739909E-15 5.006865920558536E-15 -7.440077725345102E-14 -8.291858588186166E-15 1.399600008446183E-14 -2.223977892188577E-16
tp 3.23071347999988E-14 -7.440077725345102E-14 1.340671259515607E-9 -9.614362737472908E-12 3.96662071641953E-10 4.975620717952063E-13
node 3.41948636215852E-15 -8.291858588186166E-15 -9.614362737472908E-12 7.391142345252509E-10 -7.357942771377372E-10 1.306379912153487E-12
peri -4.947778266353739E-15 1.399600008446183E-14 3.96662071641953E-10 -7.357942771377372E-10 8.513888143546389E-10 -1.145255246856079E-12
i 1.403905294749163E-16 -2.223977892188577E-16 4.975620717952063E-13 1.306379912153487E-12 -1.145255246856079E-12 1.421891826210886E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.59   n/a MPCxxxxx  

22598 Francespearl           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Frances Pearlmutter mentored a finalist in the 2006 Intel Science Talent Search (STS), a science competition for high school seniors. She teaches at the Horace Mann School, Riverdale, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20060314/MPCPages.arcLast Updated: 2006-03-23

Alternate Designations
 1998 HO117 = 1992 QH1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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