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109972 (2001 SR52)
Classification: Main-belt Asteroid          SPK-ID: 2109972
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08897712184643049 4.206e-08  
a 2.637368629772911 1.7746e-08 au
q 2.402703159847653 1.1203e-07 au
i 14.93036505365874 4.8638e-06 deg
node 24.16374558282442 1.8506e-05 deg
peri 245.3258197949544 3.7698e-05 deg
M 228.5889243022028 3.615e-05 deg
tp 2459571.563168534524
(2021-Dec-23.06316853)
0.00015874 TDB
period 1564.424760856551
4.28
1.5789e-05
4.323e-08
d
yr
n .2301165316527549 2.3225e-09 deg/d
Q 2.872034099698169 1.9324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      7654 days (20.96 yr)  
   first obs. used      1999-02-18  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:36:33  

Additional Information
 Earth MOID = 1.42931 au 
 Jupiter MOID = 2.22611 au 
 T_jup = 3.343 
[ 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 15.5   n/a MPO320272  

109972 (2001 SR52)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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