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74270 (1998 SR110)
Classification: Main-belt Asteroid          SPK-ID: 2074270
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .166503517163661 4.7428e-08  
a 2.669187865785593 1.8863e-08 au
q 2.224758698161725 1.2613e-07 au
i 12.72025495560264 5.7993e-06 deg
node 3.451208164092714 2.736e-05 deg
peri 70.44393754224978 3.3943e-05 deg
M 303.6092245667177 1.9903e-05 deg
tp 2459250.001238375516
(2021-Feb-04.50123838)
8.8656e-05 TDB
period 1592.821611780371
4.36
1.6884e-05
4.623e-08
d
yr
n .2260140101926487 2.3958e-09 deg/d
Q 3.11361703340946 2.2003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      7190 days (19.69 yr)  
   first obs. used      1998-09-26  
   last obs. used      2018-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5529  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:56:14  

Additional Information
 Earth MOID = 1.27521 au 
 Jupiter MOID = 2.30181 au 
 T_jup = 3.327 
[ 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 15.1   n/a MPO406554  

74270 (1998 SR110)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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