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100617 (1997 TQ2)
Classification: Main-belt Asteroid          SPK-ID: 2100617
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1348217969419968 5.3645e-08  
a 3.112227576892474 3.2855e-08 au
q 2.692631462483394 1.651e-07 au
i 5.078624522523126 6.227e-06 deg
node 359.003166829224 5.7437e-05 deg
peri 238.388603162809 6.1211e-05 deg
M 213.4367646211663 2.3816e-05 deg
tp 2460016.946984754566
(2023-Mar-13.44698475)
0.00013663 TDB
period 2005.420484556873
5.49
3.1756e-05
8.694e-08
d
yr
n .1795134749905316 2.8426e-09 deg/d
Q 3.531823691301554 3.7285e-08 au
  Orbit Determination Parameters
   # obs. used (total)      486  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1997-10-02  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:59  

Additional Information
 Earth MOID = 1.68417 au 
 Jupiter MOID = 1.50733 au 
 T_jup = 3.199 
[ 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 14.8   n/a MPO532308  
diameter diameter 5.765 km 0.450 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100617 (1997 TQ2)          Discovered 1997-Oct-03 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 TQ2 = 2003 WK27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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