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101241 (1998 SZ81)
Classification: Main-belt Asteroid          SPK-ID: 2101241
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 .06027352773635754 3.6488e-08  
a 2.28458980744871 9.4486e-09 au
q 2.14688952032325 8.2712e-08 au
i 5.961274407396135 5.2546e-06 deg
node 202.9383436625254 3.7731e-05 deg
peri 241.7554835194139 5.9715e-05 deg
M 81.86849930036854 4.4371e-05 deg
tp 2458913.669646594361
(2020-Mar-05.16964659)
0.00015574 TDB
period 1261.277879873939
3.45
7.8246e-06
2.142e-08
d
yr
n .2854248106182444 1.7707e-09 deg/d
Q 2.422290094574169 1.0018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      22087 days (60.47 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55426  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:52  

Additional Information
 Earth MOID = 1.16939 au 
 Jupiter MOID = 2.69455 au 
 T_jup = 3.593 
[ 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 16.0   n/a MPO453465  

101241 (1998 SZ81)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SZ81 = 2004 JR33 = 6238 P-L 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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