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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1912-Aug-03 03:50 00:05 Jupiter 1.83900729252727 1.83900667169456 1.83900791336343 2.53994894806432 2.35163071703735 2419617.659768648 5.25479803604144 204.502875000348 14.842199808759 88.9609925829831 2321950.96043574 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
1922-Jul-28 06:26 00:05 Jupiter 1.98683760117343 1.98683598036506 1.98683922198711 2.49036223244565 2.31284893241478 2423263.768067947 4.72345020451879 211.494343914869 19.0268118702365 77.3444618762692 1619600.77121175 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
1973-Mar-26 19:33 00:02 Jupiter 1.95137198401382 1.95137078750584 1.95137318052159 3.19394150173081 3.0550175252911 2441768.314928345 2.22428199702654 78.4998556248038 40.775686345509 76.0025496032381 1409269.22730035 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
1983-Mar-20 15:14 00:02 Jupiter 1.84624242444792 1.84624194881543 1.84624290008042 2.40898722074655 2.21035194798303 2445414.135028230 1.71983261392528 115.094658299254 15.9871826293104 82.9960596943287 2343800.70762971 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
2043-Nov-11 07:20 00:01 Jupiter 1.87801151866582 1.87801092956097 1.87801210777057 2.79870548473887 2.63262426492357 2467564.805850853 1.38641075215879 81.9021890366499 21.1890822019499 -86.4772545400142 2305230.63631317 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
2053-Nov-04 23:30 00:02 Jupiter 1.8925791012945 1.89257833465665 1.89257986793278 2.40017682808419 2.20584454202104 2471211.479017106 1.89581700090907 108.138771762855 18.5402726059927 76.1261070620248 1889071.42933365 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
2114-Jun-29 07:15 00:05 Jupiter 1.83191017360528 1.8319097364557 1.83191061075506 2.54795662751892 2.35952125849956 2493361.802344861 4.91000376062391 166.115522760632 16.4695617535571 87.8449208520746 2445112.74445873 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
2124-Jun-22 23:39 00:05 Jupiter 1.97586213594154 1.9758603999912 1.97586387189951 2.54458709100479 2.37013784656013 2497008.485752731 5.42871487883042 243.47471400882 20.511435381675 75.5147142285851 1636701.14503735 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
2175-Feb-24 11:42 00:08 Jupiter 1.95541083337216 1.95540884787659 1.9554128188734 3.18756399766233 3.04864348564952 2515516.987432908 7.9888189255433 218.571609072426 32.9542941358142 74.5380477230222 1711049.79452425 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
2185-Feb-13 02:43 00:08 Jupiter 1.82899830671826 1.82899731980877 1.82899929364688 2.43045042889122 2.23178731953114 2519158.612920835 8.43010587209443 356.564704943382 16.7616876772571 81.6715184896735 2345598.91934043 T 16 CATAB v2.0f-lin.ifort 2021-Apr-13 20:58:32 2021-Apr-13 20:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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