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4657 Lopez (1979 SU9)
Classification: Main-belt Asteroid          SPK-ID: 2004657
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1807429952771791 3.9796e-08  
a 3.102806308203057 1.6986e-08 au
q 2.54199580229351 1.2447e-07 au
i .281059529437041 5.0747e-06 deg
node 358.1849925047395 0.00083123 deg
peri 39.02544808891601 0.00083132 deg
M 61.27393172764407 1.2913e-05 deg
tp 2458260.715414473459
(2018-May-22.21541447)
7.0568e-05 TDB
period 1996.32123058897
5.47
1.6393e-05
4.488e-08
d
yr
n .1803316993697403 1.4808e-09 deg/d
Q 3.663616814112604 2.0056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1916  
   data-arc span      23402 days (64.07 yr)  
   first obs. used      1955-04-16  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49032  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 00:36:00  

Additional Information
 Earth MOID = 1.54872 au 
 Jupiter MOID = 1.76229 au 
 T_jup = 3.196 
[ 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 12.7   n/a MPO337291  
diameter diameter 15.967 km 0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.120   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4657 Lopez (1979 SU9)          Discovered 1979-Sep-22 by Chernykh, N. S. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ 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
1911-Oct-18 13:45 00:03 Jupiter 1.79649410537822 1.79649364589596 1.79649456486017 1.85037338737487 1.57509012371269 2419328.072972997 2.74847399295892 80.2840333368354 28.4804502927026 75.895518649367 2051334.96688806 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
1921-Nov-12 03:10 00:02 Jupiter 1.90964974299415 1.90964897048826 1.9096505155022 2.17216418842869 1.9573451441968 2423005.631922394 2.42769122816312 138.841061149493 4.95628329452852 -89.5667877088555 2576090.96395432 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
1983-Feb-20 08:05 < 00:01 Jupiter 1.80029993624006 1.80029954338202 1.8003003290979 1.88847182364311 1.62029210223783 2445385.836759214 0.861400536920688 58.3475960838994 19.7846528350983 88.3054248427341 2463040.06446771 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
1993-Mar-16 07:37 < 00:01 Jupiter 1.89798974800799 1.89798929438542 1.89799020163056 2.1193974029693 1.89718168986431 2449062.817052837 0.570061341281807 57.5665181799475 5.79454028920476 89.0530054304525 2611748.78004773 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
2054-Jun-25 23:13 00:01 Jupiter 1.80137707016292 1.80137671465126 1.80137742567437 1.92597329570428 1.66401816771968 2471444.467318326 1.09792461682592 58.2419652159919 18.5100189360819 86.9807462645834 2643087.23926423 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
2064-Jul-18 09:44 00:01 Jupiter 1.88936252872109 1.88936193137605 1.88936312606645 2.07665257704808 1.84820544978911 2475119.905518084 1.37661971365379 85.9420242046003 6.89795601110006 89.695129666767 2522843.65517624 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
2125-Oct-29 19:59 00:03 Jupiter 1.79978650063316 1.79978605600092 1.79978694526508 1.95898319502647 1.70187173065613 2497502.332406125 3.00968176317847 72.2111216868148 25.5640493414428 74.1873180558503 1929801.73506172 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
2135-Nov-22 22:54 00:03 Jupiter 1.87739290236863 1.87739190062144 1.87739390411923 2.0273241267857 1.79100642373354 2501178.453881435 3.27080872385216 169.262356012598 9.30418353807609 -88.4378302104404 2467192.44053685 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37
2197-Mar-04 21:45 00:05 Jupiter 1.79964637022331 1.79964569372347 1.79964704672273 2.00038157926637 1.74934427747272 2523561.406287545 4.93568696751988 88.7117787423781 29.5342151102946 65.387293109902 1433475.56253264 T 26 CATAB v2.0e-lin.ifort 2019-May-30 00:36:30 2019-May-30 00:37

Alternate Designations
 1979 SU9 = 1978 NU7 = 1987 GJ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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