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101209 (1998 SL48)
Classification: Main-belt Asteroid          SPK-ID: 2101209
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 .09151928484846295 4.6731e-08  
a 2.755952251300215 2.0074e-08 au
q 2.503729472184708 1.2838e-07 au
i 9.170978824197755 4.8647e-06 deg
node 21.74999080219743 3.2392e-05 deg
peri 120.0190974760692 4.2195e-05 deg
M 202.5251749693696 2.7081e-05 deg
tp 2459931.495315557148
(2022-Dec-17.99531556)
0.00012797 TDB
period 1671.113548145783
4.58
1.8258e-05
4.999e-08
d
yr
n .2154252177534226 2.3537e-09 deg/d
Q 3.008175030415722 2.1911e-08 au
  Orbit Determination Parameters
   # obs. used (total)      452  
   data-arc span      8107 days (22.20 yr)  
   first obs. used      1998-09-27  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:43  

Additional Information
 Earth MOID = 1.52979 au 
 Jupiter MOID = 2.01254 au 
 T_jup = 3.319 
[ 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 15.61   n/a E2021B55  

101209 (1998 SL48)          Discovered 1998-Sep-27 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SL48 = 2003 YB10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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