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JPL Small-Body Database Browser
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487474 (2014 SG172)
Classification: Main-belt Asteroid          SPK-ID: 2487474
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1333890749986022 7.5855e-08  
a 3.066688856277769 7.9517e-08 au
q 2.657626066430356 2.5347e-07 au
i 1.548188147125389 8.5905e-06 deg
node 141.8980536373414 0.00030572 deg
peri 131.9269270523574 0.00030754 deg
M 19.19262908082008 3.8385e-05 deg
tp 2458495.923291418646
(2019-Jan-12.42329142)
0.00020681 TDB
period 1961.566335219291
5.37
7.6293e-05
2.089e-07
d
yr
n .183526803828306 7.1381e-09 deg/d
Q 3.475751646125182 9.0124e-08 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      4052 days (11.09 yr)  
   first obs. used      2007-03-09  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6201  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 16:10:44  

Additional Information
 Earth MOID = 1.64112 au 
 Jupiter MOID = 1.63028 au 
 T_jup = 3.218 
[ 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 16.9   n/a MPO440945  

487474 (2014 SG172)          Discovered 2012-Feb-16 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2017-03-14

[ 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
1929-Oct-23 21:19 00:11 Jupiter 1.63214918666636 1.63214846892925 1.63214990440217 1.76804844525406 1.44501639985296 2425908.388172246 10.9456647899595 276.458835884345 76.7109376970369 57.5000532613503 1065428.75605337 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
1979-Apr-07 00:08 00:04 Jupiter 1.95284000511709 1.95283730774401 1.95284270249084 2.5984846915578 2.42582873591847 2443970.505570996 4.4856010912462 175.960335109319 40.0483024474045 -66.9287581373777 974545.546415238 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
1988-Nov-12 18:57 00:03 Jupiter 1.64637588385667 1.64637504354214 1.64637672417008 1.87605972302782 1.57817809396144 2447478.289579763 3.35453760097961 152.329278971429 53.2777096903798 68.7450873438448 1070371.71355401 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
2038-Apr-27 23:08 00:03 Jupiter 1.876601897555 1.87660060260581 1.87660319250367 2.32727907332332 2.12450192651696 2465541.464133081 2.81633820287228 112.648747085893 16.7689058638669 -85.0981070926758 1114419.5334946 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
2047-Nov-30 04:53 00:04 Jupiter 1.6795617614244 1.67956058085281 1.67956294199733 2.06127192213905 1.80006074714395 2469044.703648286 4.24616481652396 184.814460512807 20.6011793637341 82.9123757274291 1172983.9619247 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
2097-May-13 22:17 00:10 Jupiter 1.80550990313867 1.80550587558013 1.80551393069444 2.09465128966406 1.85722911258394 2487107.428348774 10.2215778120366 243.405266337836 18.6100789699728 -83.1777825235999 763195.684475668 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
2106-Dec-14 13:11 00:12 Jupiter 1.7297327912411 1.72972907397644 1.72973650854549 2.32390418241711 2.10265608185706 2490608.049187324 11.6979803538059 515.953784036672 8.51257846221987 -89.400302053114 1173076.34014122 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
2156-May-28 01:33 00:18 Jupiter 1.74490423387265 1.74489851198001 1.74490995575201 1.91724302331011 1.6446787177704 2508670.564255319 17.5478151587259 304.882392973868 33.0713626021419 87.3183657412524 657729.150689962 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
2165-Dec-27 13:29 00:19 Jupiter 1.79255103533447 1.79254384219522 1.7925582286067 2.65243421816253 2.46786552549555 2512171.062027400 18.7471772835172 903.589258184177 19.5243914937236 -81.0202156906605 1256781.37079979 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 16:10:46 2019-Jul-14 16:10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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