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58518 (1997 AC2)
Classification: Main-belt Asteroid          SPK-ID: 2058518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1812381059844583 4.859e-08  
a 3.092018084369601 1.8841e-08 au
q 2.531626583088761 1.4764e-07 au
i 7.804374824275971 5.3778e-06 deg
node 332.9860957975955 3.5817e-05 deg
peri 180.0412736631256 3.8777e-05 deg
M 90.91253332325712 1.3558e-05 deg
tp 2458498.986389398662
(2019-Jan-15.48638940)
7.3987e-05 TDB
period 1985.918698080047
5.44
1.8151e-05
4.969e-08
d
yr
n .1812763031779911 1.6569e-09 deg/d
Q 3.65240958565044 2.2256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1052  
   data-arc span      8198 days (22.44 yr)  
   first obs. used      1997-01-03  
   last obs. used      2019-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49639  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:50:48  

Additional Information
 Earth MOID = 1.54212 au 
 Jupiter MOID = 1.35292 au 
 T_jup = 3.185 
[ 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 14.0   n/a MPO474465  
diameter diameter 10.308 km 0.461 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58518 (1997 AC2)          Discovered 1997-Jan-03 by Kobayashi, T. at Oizumi
Reference: 20030614/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
1902-Mar-01 12:25 00:03 Jupiter 1.65185891039474 1.65185641309898 1.65186140771998 2.20804740256016 1.96212506172004 2415810.017242790 3.17882861290127 429.891876005133 21.3580094144375 74.3607214640901 1399254.97819284 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
1952-May-01 16:40 00:02 Jupiter 1.764089956756 1.76408834029627 1.76409157322306 2.00304843123287 1.74697137940783 2434134.194579029 2.05254298765229 231.170989035684 34.4287642672813 -83.617035958407 1582622.90867657 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
1962-Jan-03 11:45 00:01 Jupiter 1.4574750416984 1.45747414079121 1.45747594273052 2.19666967463501 1.91390770636943 2437667.989381772 1.47418320017793 843.033617141272 23.0768704414097 86.4326272602546 1603433.08831941 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
2012-Feb-27 12:59 < 00:01 Jupiter 1.94721993241265 1.94721928492709 1.94722057989821 2.60731801089534 2.43477429278804 2455985.040689853 0.301168922436016 54.361110517461 13.9227592112887 -74.4889961156611 1937256.15145682 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
2021-Sep-27 03:49 < 00:01 Jupiter 1.36151066776793 1.36151018715375 1.3615111484068 2.15634643058434 1.84542425051276 2459484.659322306 0.429839160350502 357.446225972341 51.4757683817926 88.4963854483344 1709271.43474671 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
2081-May-19 16:40 00:02 Jupiter 1.33878808232454 1.33878756973094 1.33878859492127 2.06796363613701 1.73525689186792 2481269.194288106 2.20391586284697 508.65684121305 58.3209142208105 -85.9087812973191 1839334.9531095 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
2141-Jan-11 14:19 00:05 Jupiter 1.36438980661693 1.36438808676588 1.36439152672468 1.91512072803361 1.55758586777711 2503055.096180855 5.03536564889885 1219.238342202 53.009792915861 -81.2590219213412 1603293.32645615 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
2150-Sep-24 20:50 00:06 Jupiter 1.97322395903279 1.97321840603196 1.97322951203877 2.86406937179428 2.71005110951026 2506598.367767382 5.94442960361687 327.022162751415 34.0930121336625 47.3748744033364 1281411.50282629 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50
2200-Oct-15 04:44 00:10 Jupiter 1.45950221597784 1.45949659366005 1.45950784773848 1.63651236892424 1.23185720721942 2524880.697297397 9.68649796715897 7004.79640342004 122.814283479102 -84.3032703253395 1212690.9755489 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 22:50:51 2020-Nov-12 22:50

Alternate Designations
 1997 AC2 = 2000 SP28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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