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79740 (1998 SQ140)
Classification: Main-belt Asteroid          SPK-ID: 2079740
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2207747928384894 4.3638e-08  
a 2.266197492313243 8.0946e-09 au
q 1.765878210416682 9.974e-08 au
i 3.870171389163183 5.7126e-06 deg
node 357.9309352650941 5.465e-05 deg
peri 310.5091766685517 5.6037e-05 deg
M 232.852460814595 1.3668e-05 deg
tp 2459640.599137371958
(2022-Mar-02.09913737)
4.8e-05 TDB
period 1246.077513327851
3.41
6.6763e-06
1.828e-08
d
yr
n .2889065857857926 1.5479e-09 deg/d
Q 2.766516774209803 9.8817e-09 au
  Orbit Determination Parameters
   # obs. used (total)      852  
   data-arc span      10789 days (29.54 yr)  
   first obs. used      1991-09-08  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:33:22  

Additional Information
 Earth MOID = .752427 au 
 Jupiter MOID = 2.50593 au 
 T_jup = 3.580 
[ 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 15.82   n/a MPCxxxxx  

79740 (1998 SQ140)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 SQ140 = 1991 RX30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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