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187168 (2005 SR8)
Classification: Main-belt Asteroid          SPK-ID: 2187168
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0378589896252305 7.6212e-08  
a 3.154055214832423 3.9928e-08 au
q 3.034645871176679 2.4082e-07 au
i 4.450315051496903 8.1177e-06 deg
node 20.25729050746866 8.2404e-05 deg
peri 177.1758274733908 0.00011726 deg
M 121.0193092218119 8.1743e-05 deg
tp 2458708.712096358465
(2019-Aug-13.21209636)
0.00046705 TDB
period 2045.984619339786
5.60
3.8851e-05
1.064e-07
d
yr
n .1759544019036505 3.3412e-09 deg/d
Q 3.273464558488169 4.1439e-08 au
  Orbit Determination Parameters
   # obs. used (total)      225  
   data-arc span      7081 days (19.39 yr)  
   first obs. used      2002-02-12  
   last obs. used      2021-07-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55588  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 19:27:40  

Additional Information
 Earth MOID = 2.03282 au 
 Jupiter MOID = 1.68041 au 
 T_jup = 3.201 
[ 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 15.7   n/a MPO433232  

187168 (2005 SR8)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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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
1906-Feb-25 08:32 00:06 Jupiter 1.92782353498724 1.92782116049543 1.92782590947827 3.33027161042828 3.19561801748403 2417266.855629718 5.95635722925474 104.904604143357 66.94452876382 -23.1875424752059 909128.659936498 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
1916-Jul-28 16:40 00:05 Jupiter 1.70471070446925 1.70470967812172 1.70471173081822 2.77410095747897 2.58880140527613 2421073.194209971 5.42920305626528 178.863594561907 31.3221458403269 82.8767162338158 1538916.07103213 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
1926-Dec-28 03:13 00:05 Jupiter 1.7670548623666 1.76705339381887 1.76705633091856 2.87592807285685 2.70412269064393 2424877.634229616 4.79008065274944 189.666204814432 29.6493453877242 -75.0381007247171 1608477.54616691 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2000-Oct-06 00:47 < 00:01 Jupiter 1.85207777030643 1.85207715382852 1.85207838678446 3.07608992465269 2.92363754574874 2451823.532637272 0.860493464484813 73.1922651642401 19.7958193666709 -79.5699507783451 2557872.26248687 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2011-Mar-08 13:25 < 00:01 Jupiter 1.68463968762737 1.68463893602904 1.68464043922588 2.72733146416202 2.53628742862444 2455629.058812154 0.355137554107873 88.6500182353462 18.5760951235988 -80.5564831823564 1583114.44787631 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2021-Aug-09 21:34 < 00:01 Jupiter 1.81718707376031 1.81718627556618 1.81718787195424 3.01363235623217 2.85477585492042 2459436.398659552 0.539281067432576 62.9490799797308 27.1979104687131 -89.5424634998561 1712895.39389326 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2095-May-20 06:00 00:04 Jupiter 1.79653309040828 1.79653161113981 1.79653456967623 2.90240307280332 2.73514008598941 2486382.750274739 4.48924316388051 73.6157647557003 56.4422324623245 -82.06278091211 1279881.99577338 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2105-Oct-18 03:17 00:05 Jupiter 1.6950050282226 1.69500410711586 1.6950059493355 2.76071072538283 2.57334220086698 2490185.636694351 5.08440356972362 283.262062456992 23.3808783257787 -86.1323535664003 1510733.28162258 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2116-Mar-22 15:31 00:06 Jupiter 1.89009290593151 1.89009051529638 1.89009529656749 3.22901940429305 3.08711681890513 2493994.146824814 5.6210088836091 144.844642319236 45.8044255633838 -49.6810150911766 1432546.95884386 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2189-Dec-29 15:28 00:10 Jupiter 1.74172540173202 1.74172300507535 1.7417277983887 2.75737972934311 2.57497928982608 2520939.144699704 9.74372854732173 136.869849228989 60.8810748792673 52.8186874925236 1127372.84642222 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
2200-May-31 22:24 00:10 Jupiter 1.710960963842 1.71095895927165 1.7109629684677 2.81742736311731 2.63586489674252 2524744.433363395 10.2705400333095 552.029162081518 25.9000975792898 -82.8750949312244 1567712.38517104 T 13 CATAB v2.0g-lin.ifort 2021-Aug-25 19:27:41 2021-Aug-25 19:27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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