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27817 (1993 TO17)
Classification: Main-belt Asteroid          SPK-ID: 2027817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07356151559323354 3.1041e-08  
a 2.610742903614192 1.2692e-08 au
q 2.418692698800053 8.1499e-08 au
i 3.495688148489628 4.38e-06 deg
node 30.84827637575806 6.8324e-05 deg
peri 34.23353992335687 8.0171e-05 deg
M 72.49409248456284 4.0349e-05 deg
tp 2458690.226486991312
(2019-Jul-25.72648699)
0.00017252 TDB
period 1540.794026863819
4.22
1.1235e-05
3.076e-08
d
yr
n .2336457655750102 1.7037e-09 deg/d
Q 2.802793108428332 1.3625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      9721 days (26.61 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:02  

Additional Information
 Earth MOID = 1.43286 au 
 Jupiter MOID = 2.40199 au 
 T_jup = 3.403 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456831.5 (2014-Jun-23.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07174412340686727 3.0917e-08  
q 2.423688461871314 8.0984e-08 au
tp 2457147.886229993157
(2015-May-05.38622999)
0.00017781 TDB
node 30.88164059421183 6.8348e-05 deg
peri 33.93128462119362 8.0869e-05 deg
i 3.495900868009352 4.379e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1013  
   data-arc span      9721 days (26.61 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:02  

Additional Information
 Jupiter MOID = 2.40199 au 
 T_jup = 3.403 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.558453238721456E-16 -2.47731353657716E-15 -1.122594032954797E-12 -4.08430756112756E-15 -2.699380722632689E-13 -5.598562001042183E-16
q -2.47731353657716E-15 6.558487088652013E-15 2.937327037330089E-12 1.151367100278285E-14 6.977014347710182E-13 1.509985681494021E-15
tp -1.122594032954797E-12 2.937327037330089E-12 3.161469876943149E-8 1.004967877219323E-10 7.705218997327215E-9 -4.720364767293243E-12
node -4.08430756112756E-15 1.151367100278285E-14 1.004967877219323E-10 4.67149474453981E-9 -4.63768921501577E-9 -1.119822274935117E-10
peri -2.699380722632689E-13 6.977014347710182E-13 7.705218997327215E-9 -4.63768921501577E-9 6.539759833792108E-9 1.106058679693008E-10
i -5.598562001042183E-16 1.509985681494021E-15 -4.720364767293243E-12 -1.119822274935117E-10 1.106058679693008E-10 1.917549045035363E-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 15.3   n/a MPO406139  

27817 (1993 TO17)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 TO17 = 1998 YZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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