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19360 (1997 JS12)
Classification: Main-belt Asteroid          SPK-ID: 2019360
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1102297234756816 3.6074e-08  
a 3.108741860054203 1.5693e-08 au
q 2.766066104463153 1.0858e-07 au
i .6659747431870296 3.7884e-06 deg
node 150.2195820739531 0.00030905 deg
peri 18.73392836040013 0.00030951 deg
M 154.6321095537717 1.7431e-05 deg
tp 2458340.551192617948
(2018-Aug-10.05119262)
9.5406e-05 TDB
period 2002.052300462763
5.48
1.516e-05
4.151e-08
d
yr
n .1798154823012307 1.3616e-09 deg/d
Q 3.451417615645254 1.7423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      15747 days (43.11 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:36  

Additional Information
 Earth MOID = 1.77205 au 
 Jupiter MOID = 1.51669 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457192.5 (2015-Jun-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061940270554989 3.5834e-08  
q 2.779578540847831 1.0705e-07 au
tp 2456329.666496337467
(2013-Feb-06.16649634)
9.751e-05 TDB
node 150.3861965892991 0.00031161 deg
peri 17.5255494186171 0.00031211 deg
i .6622774021446211 3.7758e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      15747 days (43.11 yr)  
   first obs. used      1977-09-09  
   last obs. used      2020-10-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54406  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:36  

Additional Information
 Jupiter MOID = 1.51669 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.284053369722442E-15 -3.808216638567696E-15 8.839809442561191E-14 7.385059697771527E-15 2.472181424789307E-15 -1.213146067991192E-16
q -3.808216638567696E-15 1.145874008623887E-14 -1.369019608949023E-13 -8.379380774751703E-15 1.232279507782842E-14 2.20091925906282E-16
tp 8.839809442561191E-14 -1.369019608949023E-13 9.508195495969848E-9 -3.647809260388326E-11 1.76175996088266E-9 -5.300681407257322E-15
node 7.385059697771527E-15 -8.379380774751703E-15 -3.647809260388326E-11 9.709847277849895E-8 -9.709584086104388E-8 -7.283646102392033E-11
peri 2.472181424789307E-15 1.232279507782842E-14 1.76175996088266E-9 -9.709584086104388E-8 9.741369035101159E-8 7.280682926087772E-11
i -1.213146067991192E-16 2.20091925906282E-16 -5.300681407257322E-15 -7.283646102392033E-11 7.280682926087772E-11 1.425696708235448E-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 14.43   n/a E2021B10  
diameter diameter 6.842 km 0.346 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 1.00 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.055   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19360 (1997 JS12)          Discovered 1997-May-03 by Elst, E. W. at La Silla
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ 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-Apr-22 00:29 00:02 Jupiter 1.84021861325951 1.84021733755845 1.84021988896037 2.8863120392091 2.72217374889604 2425723.520221309 2.00888473909476 65.3739054623244 22.6592401444258 58.0814442276421 1616616.57228343 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
1939-Mar-29 12:46 00:02 Jupiter 1.5317226428996 1.53172230888429 1.53172297691483 1.5441858602074 1.13072376352312 2429352.032099925 1.84084153092114 128.226250300568 83.4056968637265 83.4486992397186 2347754.70506585 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
1949-Mar-11 08:55 00:02 Jupiter 1.93412313302339 1.93412217214546 1.93412409390109 2.88873791714521 2.73293512159565 2432986.871710969 1.52403010084322 33.9087834033089 30.3464726141134 -49.5327111579804 1636302.16883252 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
2000-May-24 15:40 < 00:01 Jupiter 1.7971229670309 1.7971224832125 1.79712345084919 2.68759469714128 2.50609705677034 2451689.153029130 0.415835007544703 38.8861913863505 11.7109636771052 85.5518573820563 2686902.41980945 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
2010-Apr-29 13:05 < 00:01 Jupiter 1.53533736514167 1.53533700363573 1.53533772664744 1.55115307108739 1.14136144944079 2455316.044930765 0.236329856092344 100.218066127399 57.5571534110503 43.8163563286856 2600290.92557137 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
2020-Apr-13 14:21 < 00:01 Jupiter 1.97757871754117 1.97757835402502 1.97757908105731 3.07575881659201 2.93320071965726 2458953.097960040 0.186490219362152 31.8282910858333 12.1503623892647 -88.5558536175578 3853457.82372908 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
2071-Jun-24 10:08 00:01 Jupiter 1.75438347006786 1.75438284571166 1.75438409442397 2.49814454396699 2.29676274933035 2477651.922274861 1.28655203753006 51.8593834817731 9.84861113318829 80.8511968105982 2371686.49646804 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
2081-May-27 09:23 00:02 Jupiter 1.54869238856424 1.54869182304708 1.54869295408298 1.58849440333467 1.19560001617497 2481276.890763346 1.53483895365226 148.154870799114 52.2905751973317 61.9113428735234 2764948.23146677 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
2142-Jul-22 20:14 00:03 Jupiter 1.71370052671705 1.71369919461688 1.71370185881722 2.31880326029348 2.09483130255063 2503612.342709547 2.94591814537973 90.5711029673421 7.26947776715974 80.5409872908186 1722480.56885713 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52
2152-Jun-23 13:51 00:03 Jupiter 1.56979433995079 1.5697932854745 1.56979539443386 1.65437169637502 1.28755379674649 2507236.076785256 3.19839460524046 240.433311399225 42.8303660727819 69.3672807800373 2758401.96090862 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:39 2021-Apr-13 02:52

Alternate Designations
 1997 JS12 = 1977 RY18 = 1978 WS4 = 1999 RS228 = 1999 SZ21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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