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101227 (1998 SX68)
Classification: Main-belt Asteroid          SPK-ID: 2101227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1326204641974015 4.2096e-08  
a 2.268913804184697 1.0085e-08 au
q 1.96800940224983 9.7393e-08 au
i 6.840169053825458 4.5575e-06 deg
node 129.0293203688632 3.7398e-05 deg
peri 221.1589008294238 4.078e-05 deg
M 183.8173595095059 1.814e-05 deg
tp 2459811.422382495421
(2022-Aug-19.92238250)
6.4875e-05 TDB
period 1248.318546515473
3.42
8.3232e-06
2.279e-08
d
yr
n .2883879287101 1.9228e-09 deg/d
Q 2.569818206119563 1.1423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      10813 days (29.60 yr)  
   first obs. used      1991-08-14  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:32:44  

Additional Information
 Earth MOID = .96497 au 
 Jupiter MOID = 2.8288 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 16.37   n/a E2021B55  

101227 (1998 SX68)          Discovered 1998-Sep-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 SX68 = 1991 PQ30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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