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173783 (2001 SL77)
Classification: Main-belt Asteroid          SPK-ID: 2173783
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1537780527784721 5.6518e-08  
a 3.090959688706497 3.2361e-08 au
q 2.61563792656046 1.805e-07 au
i 4.024880607231102 5.2268e-06 deg
node 251.7919078797372 0.00011779 deg
peri 157.845443895762 0.00012111 deg
M 166.6500867376364 3.0051e-05 deg
tp 2458281.656638649191
(2018-Jun-12.15663865)
0.0001579 TDB
period 1984.899117436743
5.43
3.1171e-05
8.534e-08
d
yr
n .1813694191495719 2.8483e-09 deg/d
Q 3.566281450852535 3.7337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:31  

Additional Information
 Earth MOID = 1.62585 au 
 Jupiter MOID = 1.81023 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457041.5 (2015-Jan-19.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153691706430477 5.5987e-08  
q 2.6163037471583 1.7849e-07 au
tp 2456298.877030074001
(2013-Jan-06.37703007)
0.00014568 TDB
node 251.8201619941285 0.00011778 deg
peri 158.4584989051926 0.00012113 deg
i 4.024829104922015 5.2266e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      265  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57478  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:58:31  

Additional Information
 Jupiter MOID = 1.81023 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.134562337649933E-15 -9.878810541214061E-15 -4.194023952881544E-12 -7.40414024068067E-15 -8.610194060643577E-13 -1.381134032881913E-15
q -9.878810541214061E-15 3.185810189795196E-14 1.423344600775342E-11 1.973221602371639E-14 2.96301548398633E-12 5.20998292385432E-15
tp -4.194023952881544E-12 1.423344600775342E-11 2.122392747851392E-8 6.371645139861781E-11 4.234777325975076E-9 2.988089961421811E-12
node -7.40414024068067E-15 1.973221602371639E-14 6.371645139861781E-11 1.387198903681289E-8 -1.382536688666218E-8 -1.376369082315659E-10
peri -8.610194060643577E-13 2.96301548398633E-12 4.234777325975076E-9 -1.382536688666218E-8 1.467160036336424E-8 1.379857465803876E-10
i -1.381134032881913E-15 5.20998292385432E-15 2.988089961421811E-12 -1.376369082315659E-10 1.379857465803876E-10 2.731766709652474E-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 15.65   n/a E2021B55  

173783 (2001 SL77)          Discovered 2001-Sep-17 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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