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JPL Small-Body Database Browser
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109878 (2001 SG)
Classification: Main-belt Asteroid          SPK-ID: 2109878
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2552878502979903 4.4743e-08  
a 2.58677906213615 1.1301e-08 au
q 1.926405796167561 1.1247e-07 au
i 5.610138729668764 5.406e-06 deg
node 66.08102897674523 4.6223e-05 deg
peri 284.1838754440542 4.7694e-05 deg
M 85.85804095765901 1.4183e-05 deg
tp 2458238.076870201065
(2018-Apr-29.57687020)
5.839e-05 TDB
period 1519.628508551218
4.16
9.9586e-06
2.727e-08
d
yr
n .2369000041616858 1.5525e-09 deg/d
Q 3.247152328104739 1.4186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      8305 days (22.74 yr)  
   first obs. used      1996-04-13  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57901  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:02:46  

Additional Information
 Earth MOID = .929178 au 
 Jupiter MOID = 2.207 au 
 T_jup = 3.368 
[ 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 15.4   n/a MPO453560  

109878 (2001 SG)          Discovered 2001-Sep-16 by Juels, C. W., Holvorcem, P. R. at Fountain Hills
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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