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109973 (2001 SK53)
Classification: Main-belt Asteroid          SPK-ID: 2109973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05352114785431316 4.7558e-08  
a 2.780458097997719 1.7357e-08 au
q 2.63164478903206 1.3672e-07 au
i 6.468261688572702 4.7389e-06 deg
node 47.0043175756702 4.2018e-05 deg
peri 327.4273819275961 5.8385e-05 deg
M 13.26340491237586 4.1198e-05 deg
tp 2458938.108491494219
(2020-Mar-29.60849149)
0.00019371 TDB
period 1693.452262859236
4.64
1.5857e-05
4.341e-08
d
yr
n .2125834946136442 1.9906e-09 deg/d
Q 2.929271406963377 1.8286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      6627 days (18.14 yr)  
   first obs. used      2001-09-10  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .537  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:36:52  

Additional Information
 Earth MOID = 1.63573 au 
 Jupiter MOID = 2.32657 au 
 T_jup = 3.322 
[ show covariance matrix ]

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 15.1   n/a MPO449654  
diameter diameter 2.907 km 0.356 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.132   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109973 (2001 SK53)          Discovered 2001-Sep-16 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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