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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153622412534338 5.6505e-08  
a 3.091560862211433 3.2586e-08 au
q 2.616627824061775 1.8061e-07 au
i 4.024596559035884 5.2802e-06 deg
node 251.796486027075 0.00011851 deg
peri 157.9026415415585 0.00012186 deg
M 130.3099524568793 2.986e-05 deg
tp 2458281.812297866407
(2018-Jun-12.31229787)
0.0001588 TDB
period 1985.478222422871
5.44
3.1391e-05
8.594e-08
d
yr
n .1813165190805737 2.8667e-09 deg/d
Q 3.566493900361091 3.7592e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:54  

Additional Information
 Earth MOID = 1.6277 au 
 Jupiter MOID = 1.80891 au 
 T_jup = 3.203 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456971.5 (2014-Nov-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1536700831426114 5.6028e-08  
q 2.616563116916199 1.7877e-07 au
tp 2456299.004909378413
(2013-Jan-06.50490938)
0.00014671 TDB
node 251.8235649389559 0.00011849 deg
peri 158.4867017102841 0.00012187 deg
i 4.02469626684467 5.2805e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      6797 days (18.61 yr)  
   first obs. used      2001-09-17  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57249  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:29:54  

Additional Information
 Jupiter MOID = 1.80891 au 
 T_jup = 3.203 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.139125514713326E-15 -9.901144625731686E-15 -4.145723638659052E-12 -8.394758855029713E-15 -8.489948775464303E-13 -1.453667672399623E-15
q -9.901144625731686E-15 3.196006846005748E-14 1.402662670128802E-11 2.268328535576849E-14 2.912720612112299E-12 5.429593456577643E-15
tp -4.145723638659052E-12 1.402662670128802E-11 2.152495945302194E-8 6.940379058595052E-11 4.295994050145151E-9 3.197443478383587E-12
node -8.394758855029713E-15 2.268328535576849E-14 6.940379058595052E-11 1.40407099643862E-8 -1.399247080304606E-8 -1.27801266466045E-10
peri -8.489948775464303E-13 2.912720612112299E-12 4.295994050145151E-9 -1.399247080304606E-8 1.485197071544196E-8 1.282150998975718E-10
i -1.453667672399623E-15 5.429593456577643E-15 3.197443478383587E-12 -1.27801266466045E-10 1.282150998975718E-10 2.788318956607883E-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 15.5   n/a MPO433117  

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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