Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
120672 (1997 AK)
Classification: Main-belt Asteroid          SPK-ID: 2120672
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2699766242151683 4.6248e-08  
a 2.664356772989917 1.2391e-08 au
q 1.945042725713279 1.191e-07 au
i 2.175670356557442 5.191e-06 deg
node 322.0211324027051 0.00017434 deg
peri 173.4386527790964 0.00017485 deg
M 129.3293896452893 1.3506e-05 deg
tp 2458429.834362316839
(2018-Nov-07.33436232)
5.7718e-05 TDB
period 1588.49918127191
4.35
1.1082e-05
3.034e-08
d
yr
n .2266290119908959 1.581e-09 deg/d
Q 3.383670820266554 1.5737e-08 au
  Orbit Determination Parameters
   # obs. used (total)      459  
   data-arc span      9574 days (26.21 yr)  
   first obs. used      1993-04-16  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:55:34  

Additional Information
 Earth MOID = .959048 au 
 Jupiter MOID = 1.66465 au 
 T_jup = 3.330 
[ 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 16.2   n/a MPO436582  
diameter diameter 1.368 km 0.211 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.285   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120672 (1997 AK)          Discovered 1997-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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
1938-Nov-22 20:28 00:02 Jupiter 1.70460193511258 1.70460099897256 1.70460287136039 0.885157217014092 n/a 2429225.352642471 1.50084688233419 785.550850180553 23.6651859617204 -87.0622869278419 10758348.0436063 F 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
1972-Nov-15 04:35 < 00:01 Jupiter 1.97987369425213 1.97987274555867 1.97987464294637 1.40564581934585 1.05839845481607 2441636.690855589 0.919794141408863 274.943426527926 72.2723510362914 44.8972622061146 2284372.18226865 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
1986-Nov-19 00:41 < 00:01 Jupiter 1.84970964260223 1.84970869453392 1.84971059073731 1.24948312981922 0.803345711997387 2446753.528597009 0.666976827455389 1003.46537135492 382.160167595536 47.9456478350311 1172897.9175823 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
2020-Nov-10 21:19 < 00:01 Jupiter 1.78031270361983 1.78031217396403 1.78031323356556 0.993416723437022 0.187971428750629 2459164.388408773 0.310699845646028 39411.4861719436 1556.64622756212 9.52621693977227 4744089.38794024 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
2068-Oct-27 18:53 00:01 Jupiter 1.67164298748292 1.67164243867399 1.67164353634955 0.848446567987443 n/a 2476682.286994284 1.05416558381238 650.674692760953 17.9978167339874 -88.1834595899042 13883736.9453622 F 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
2116-Oct-10 16:49 00:02 Jupiter 1.67946579933231 1.67946524175417 1.67946635701048 0.820275899561785 n/a 2494196.200682773 2.00024717636059 876.511595412201 18.7710518479859 -88.6585575251082 13377192.9521302 F 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
2164-Oct-02 15:05 00:03 Jupiter 1.79553261412521 1.79553077882986 1.7955344501596 1.04264880378035 0.378997097431042 2511720.128384329 3.14656808997756 10233.4469320095 1481.18193376003 20.785250626039 1230717.39261512 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
2198-Sep-25 19:21 00:04 Jupiter 1.82921831658033 1.82921551306937 1.82922112290226 1.08476960205597 0.500621451334601 2524131.306280514 3.77049647988532 7670.02775916972 659.434413607462 54.0313721883335 3256732.41741717 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 17:55:36 2020-Nov-12 17:55
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-28 20:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin