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101208 (1998 SF48)
Classification: Main-belt Asteroid          SPK-ID: 2101208
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1409181274052489 4.3231e-08  
a 2.377912679786987 8.2048e-09 au
q 2.042821677818208 1.0221e-07 au
i 7.094938269584195 4.892e-06 deg
node 13.11484911171381 2.3833e-05 deg
peri 5.347930020158014 2.701e-05 deg
M 23.06236088105996 1.0962e-05 deg
tp 2459114.698764043840
(2020-Sep-22.19876404)
4.0871e-05 TDB
period 1339.344445415592
3.67
6.932e-06
1.898e-08
d
yr
n .2687882129442017 1.3912e-09 deg/d
Q 2.713003681755767 9.361e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      8162 days (22.35 yr)  
   first obs. used      1998-09-14  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46932  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:43  

Additional Information
 Earth MOID = 1.04334 au 
 Jupiter MOID = 2.75279 au 
 T_jup = 3.516 
[ 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 15.76   n/a E2021B55  
diameter diameter 1.560 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.458   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101208 (1998 SF48)          Discovered 1998-Sep-27 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SF48 = 1998 VA57 = 2004 FR110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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