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150857 (2001 SF120)
Classification: Main-belt Asteroid          SPK-ID: 2150857
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459570120920862 4.2122e-08  
a 2.532849096201132 1.2311e-08 au
q 2.163162010039474 1.0817e-07 au
i 9.265344192898841 6.5028e-06 deg
node 336.3774477048102 2.2143e-05 deg
peri 58.55783626645827 3.3859e-05 deg
M 250.1045584546949 2.6196e-05 deg
tp 2459649.958479444688
(2022-Mar-11.45847944)
0.00010921 TDB
period 1472.354542871392
4.03
1.0735e-05
2.939e-08
d
yr
n .2445063261039875 1.7827e-09 deg/d
Q 2.90253618236279 1.4108e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1997-09-11  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55449  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:20:20  

Additional Information
 Earth MOID = 1.18364 au 
 Jupiter MOID = 2.60388 au 
 T_jup = 3.417 
[ 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 16.34   n/a E2021B55  
rotation period rot_per 5.594 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

150857 (2001 SF120)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 2001 SF120 = 1997 RJ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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