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100944 (1998 OT7)
Classification: Main-belt Asteroid          SPK-ID: 2100944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .182054544064094 2.9379e-08  
a 2.419480165827517 1.0486e-08 au
q 1.979002807365669 7.4678e-08 au
i 1.761241758334218 5.1681e-06 deg
node 228.3940614362443 0.0001396 deg
peri 50.90694844836055 0.00014078 deg
M 8.179110518472294 1.7028e-05 deg
tp 2459169.269056689790
(2020-Nov-15.76905669)
6.5052e-05 TDB
period 1374.616416575268
3.76
8.9364e-06
2.447e-08
d
yr
n .2618912415558861 1.7026e-09 deg/d
Q 2.859957524289364 1.2395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      593  
   data-arc span      8054 days (22.05 yr)  
   first obs. used      1998-05-24  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:28  

Additional Information
 Earth MOID = .961258 au 
 Jupiter MOID = 2.27049 au 
 T_jup = 3.491 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.34   n/a E2021B55  

100944 (1998 OT7)          Discovered 1998-Jul-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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