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109989 (2001 SX57)
Classification: Main-belt Asteroid          SPK-ID: 2109989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169228312099079 4.9018e-08  
a 3.112674751781038 2.2148e-08 au
q 2.585922057423714 1.5367e-07 au
i 5.15242529311059 6.1581e-06 deg
node 189.4508846319862 5.9317e-05 deg
peri 194.795982983949 6.215e-05 deg
M 63.30170281629906 1.767e-05 deg
tp 2458247.794742644202
(2018-May-09.29474264)
9.7113e-05 TDB
period 2005.852717999775
5.49
2.1409e-05
5.861e-08
d
yr
n .1794747923262232 1.9156e-09 deg/d
Q 3.639427446138363 2.5896e-08 au
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      9428 days (25.81 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:34:17  

Additional Information
 Earth MOID = 1.58919 au 
 Jupiter MOID = 1.81245 au 
 T_jup = 3.190 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456834.5 (2014-Jun-26.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .167605116009642 4.9011e-08  
q 2.593064837868722 1.5381e-07 au
tp 2456244.890426969686
(2012-Nov-13.39042697)
9.3846e-05 TDB
node 189.4829552352891 5.9386e-05 deg
peri 195.3129214180379 6.2271e-05 deg
i 5.146947223048554 6.1535e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      479  
   data-arc span      9428 days (25.81 yr)  
   first obs. used      1993-03-19  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57626  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:34:17  

Additional Information
 Jupiter MOID = 1.81245 au 
 T_jup = 3.190 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.402041398374795E-15 -7.484445439209121E-15 -6.372906085008504E-13 8.072766109739896E-15 -1.268755300622598E-13 -2.042399191779321E-15
q -7.484445439209121E-15 2.365639846248803E-14 2.080132369102215E-12 -2.322860280601104E-14 4.288555705612368E-13 6.944801709630419E-15
tp -6.372906085008504E-13 2.080132369102215E-12 8.807041573407774E-9 8.16490022975887E-12 1.791783476493287E-9 -2.128857587423763E-12
node 8.072766109739896E-15 -2.322860280601104E-14 8.16490022975887E-12 3.526680464050455E-9 -3.509476373478646E-9 -4.535133265883005E-11
peri -1.268755300622598E-13 4.288555705612368E-13 1.791783476493287E-9 -3.509476373478646E-9 3.877722243620581E-9 4.484908509144234E-11
i -2.042399191779321E-15 6.944801709630419E-15 -2.128857587423763E-12 -4.535133265883005E-11 4.484908509144234E-11 3.786590466589882E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO469127  

109989 (2001 SX57)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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