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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817961235579292 2.9407e-08  
a 2.418725134991378 1.0475e-08 au
q 1.979010281497817 7.4689e-08 au
i 1.76156655544736 5.1686e-06 deg
node 228.4040953522066 0.00013961 deg
peri 50.93177943857186 0.00014079 deg
M 315.7547672861213 1.7106e-05 deg
tp 2459169.365988417729
(2020-Nov-15.86598842)
6.5104e-05 TDB
period 1373.973015884112
3.76
8.9253e-06
2.444e-08
d
yr
n .2620138793397994 1.702e-09 deg/d
Q 2.85843998848494 1.2379e-08 au
  Orbit Determination Parameters
   # obs. used (total)      592  
   data-arc span      8054 days (22.05 yr)  
   first obs. used      1998-05-24  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:20  

Additional Information
 Earth MOID = .963144 au 
 Jupiter MOID = 2.27291 au 
 T_jup = 3.492 
[ 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 16.3   n/a MPO266353  

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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