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19357 (1997 GZ7)
Classification: Main-belt Asteroid          SPK-ID: 2019357
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03517436567940106 3.367e-08  
a 3.165320641435556 2.2538e-08 au
q 3.053982495701145 1.0891e-07 au
i 13.85394012561955 5.6212e-06 deg
node 41.01722998560987 1.5537e-05 deg
peri 275.4405434104097 8.244e-05 deg
M 338.1734612079821 8.1796e-05 deg
tp 2459325.211746862027
(2021-Apr-20.71174686)
0.00046762 TDB
period 2056.955951566119
5.63
2.1969e-05
6.015e-08
d
yr
n .1750159013983281 1.8692e-09 deg/d
Q 3.276658787169966 2.3331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1386  
   data-arc span      11614 days (31.80 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:31  

Additional Information
 Earth MOID = 2.082 au 
 Jupiter MOID = 1.83031 au 
 T_jup = 3.157 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456939.5 (2014-Oct-09.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03355871784454113 3.4629e-08  
q 3.055322333421472 1.1091e-07 au
tp 2457296.296594103043
(2015-Sep-30.79659410)
0.00047789 TDB
node 41.10476743704263 1.552e-05 deg
peri 279.698647595767 8.4991e-05 deg
i 13.86848057559414 5.6249e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1386  
   data-arc span      11614 days (31.80 yr)  
   first obs. used      1988-11-04  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52325  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:31  

Additional Information
 Jupiter MOID = 1.83031 au 
 T_jup = 3.157 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.199188150124695E-15 -3.763481645710745E-15 4.793421305031906E-12 -1.770777476735807E-15 8.318005096128136E-13 1.744497154361191E-16
q -3.763481645710745E-15 1.230123591136984E-14 -1.363417825233314E-11 6.449066524368618E-15 -2.380551901031764E-12 -3.952133929890683E-17
tp 4.793421305031906E-12 -1.363417825233314E-11 2.28380860314217E-7 -1.864345118550943E-11 3.994553050537427E-8 1.017864799089031E-11
node -1.770777476735807E-15 6.449066524368618E-15 -1.864345118550943E-11 2.408623895732269E-10 -2.368536443244042E-10 -1.367872666854208E-11
peri 8.318005096128136E-13 -2.380551901031764E-12 3.994553050537427E-8 -2.368536443244042E-10 7.223532741043466E-9 1.502278254737985E-11
i 1.744497154361191E-16 -3.952133929890683E-17 1.017864799089031E-11 -1.367872666854208E-11 1.502278254737985E-11 3.163925252958623E-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 13.52   n/a E2021B10  
diameter diameter 10.141 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.03 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
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 0.082   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19357 (1997 GZ7)          Discovered 1997-Apr-02 by LINEAR at Socorro
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
1989-Apr-16 05:28 < 00:01 Jupiter 1.98273480418346 1.98273423071893 1.98273537764856 4.42229551081469 4.32461552023284 2447632.727729640 0.880194176073956 76.4954784330354 16.2376690446816 -72.4753057755774 3314213.90488351 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:36 2021-Apr-13 02:52
2000-Jan-06 08:44 < 00:01 Jupiter 1.84349061021518 1.84349013231316 1.84349108811793 4.82482072684202 4.72863211565984 2451549.864182350 0.492924269236533 139.613292390827 19.0941436098007 -85.1078497676922 3324105.92085867 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:36 2021-Apr-13 02:52
2010-Sep-25 02:37 < 00:01 Jupiter 1.96363894478377 1.96363848551293 1.96363940405472 4.54257345891437 4.4466016968524 2455464.608911285 0.236901330972865 116.298989631155 20.8857179037805 89.3441701981934 3545120.06974566 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:36 2021-Apr-13 02:52
2107-Jan-09 21:05 00:03 Jupiter 1.85978206820782 1.85978141198417 1.85978272443558 4.79558129219347 4.69965065832268 2490634.378306532 2.98632570677898 189.707019536879 19.092774218515 -82.0715954816173 3237999.87764952 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:36 2021-Apr-13 02:52
2117-Oct-02 22:11 00:03 Jupiter 1.91995650625671 1.91995538337053 1.91995762916144 4.7206857206834 4.62628777424993 2494553.424576519 3.44692356994591 357.466439315353 27.7537498405812 -81.8761023214158 3355012.524196 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:36 2021-Apr-13 02:52

Alternate Designations
 1997 GZ7 = 1988 VK5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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