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120910 (1998 SR59)
Classification: Main-belt Asteroid          SPK-ID: 2120910
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080080496668668 4.5768e-08  
a 2.167720407432789 7.4826e-09 au
q 1.933589154002908 1.0227e-07 au
i 4.80448608666026 4.1936e-06 deg
node 141.5102840247145 4.3226e-05 deg
peri 219.9719221873758 4.6463e-05 deg
M 352.9690063188573 1.5974e-05 deg
tp 2459223.267614691180
(2021-Jan-08.76761469)		 5.174e-05 TDB
period 1165.744368510453
3.19		 6.0359e-06
1.653e-08		 d
yr
n .3088155600185273 1.599e-09 deg/d
Q 2.401851660862671 8.2908e-09 au
   Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      8143 days (22.29 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:26:11  

Additional Information
 Earth MOID = .931003 au 
 Jupiter MOID = 3.00261 au 
 T_jup = 3.679 
[ 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 16.46   n/a E2021B55  

120910 (1998 SR59)          Discovered 1998-Sep-17 by LONEOS at Anderson Mesa
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 SR59 = 2001 QF49 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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