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85601 (1998 FU121)
Classification: Outer Main-belt Asteroid          SPK-ID: 2085601
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1549473217439297 3.8574e-08  
a 3.200346648693821 2.1427e-08 au
q 2.704461506826553 1.2465e-07 au
i 1.555372490486715 5.0781e-06 deg
node 54.77546909533537 0.00016313 deg
peri 52.63044240613691 0.00016399 deg
M 54.70526986986611 1.7325e-05 deg
tp 2458882.724344113571
(2020-Feb-03.22434411)
9.9292e-05 TDB
period 2091.192245120982
5.73
2.1002e-05
5.75e-08
d
yr
n .1721506001372786 1.7289e-09 deg/d
Q 3.69623179056109 2.4747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      955  
   data-arc span      8339 days (22.83 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5425  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:41:09  

Additional Information
 Earth MOID = 1.72148 au 
 Jupiter MOID = 1.43659 au 
 T_jup = 3.175 
[ 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 14.61   n/a E2021B10  
diameter diameter 6.716 km 0.305 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85601 (1998 FU121)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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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
1901-Sep-07 15:57 00:04 Jupiter 1.59590686456249 1.59590597845224 1.59590775067302 1.77268841210463 1.44254308022504 2415635.164691353 3.79460116410883 102.638978079236 28.2600898543335 82.367053609074 2174101.35152699 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
1913-Feb-15 22:01 00:03 Jupiter 1.66071901085343 1.66071782846803 1.66072019323741 1.90917783443127 1.62015208522506 2419814.417110455 3.19647308746739 59.2149098532223 17.2154524386488 83.5600966502615 1217469.24277029 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
1924-Jul-10 12:32 00:03 Jupiter 1.76982901732609 1.76982770601823 1.76983032863293 2.207691845361 1.97907130534276 2423977.021972005 2.75146487133272 56.9860395018864 13.5038609676951 79.373193081628 1188491.27976775 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
1935-Nov-14 05:45 00:02 Jupiter 1.90816331924527 1.90816203795378 1.90816460053665 2.65886775862571 2.48632046961265 2428120.739254981 2.3582861182216 74.1735967434607 21.972319533478 65.7122812901747 1617031.79479996 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2059-Feb-27 23:49 00:01 Jupiter 1.9574454525942 1.95744470381008 1.95744620137832 3.88274678546029 3.76965329330906 2473152.492644238 1.33025276729165 58.9751379872726 26.4929118586879 72.3299544509723 2416576.71078916 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2070-May-11 02:23 00:02 Jupiter 1.77119256486868 1.7711917310077 1.77119339872986 2.95138952450596 2.784646648186 2477242.599462180 1.68783526240428 77.9421206599601 20.4960436421767 79.5156208601309 1940824.52689077 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2081-Aug-18 14:25 00:02 Jupiter 1.63137809534329 1.63137732873162 1.63137886195496 2.28155995465786 2.04134816493734 2481360.100663859 2.04025423564205 93.0032524659552 5.16935209896706 -88.1220568326471 1720246.98568713 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2092-Dec-29 20:21 00:02 Jupiter 1.5511206192462 1.55112006386779 1.55112117462443 1.90217182718014 1.58937565702493 2485511.348126470 2.45062747739926 112.625322536345 30.7059350568639 -76.2771814277543 1776059.74436193 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2104-Jun-07 22:25 00:03 Jupiter 1.52791852963304 1.5279181648906 1.52791889437539 1.74503273296088 1.39155018207586 2489688.433974660 3.0404020300501 139.967376674992 46.1558483819602 -75.4348504539739 2235957.05530557 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2115-Nov-26 16:03 00:04 Jupiter 1.54554076859205 1.54554001137746 1.54554152580963 1.72953357944322 1.37666291061206 2493877.168807482 3.91491499752583 157.104825501078 39.3578262791422 -85.2620989285336 2666357.7603298 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2127-May-09 21:13 00:05 Jupiter 1.60252133028661 1.60251966596999 1.60252299460351 1.84171463823166 1.52800539747863 2498059.384223550 5.09365903552777 131.905823791245 22.5148083180534 88.7486642954993 1864930.70096556 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2138-Oct-03 05:40 00:06 Jupiter 1.70849594530686 1.70849315323723 1.70849873737163 2.12454961739876 1.87674434675997 2502223.736182774 6.44633490832797 68.0410544435061 32.8773689174298 -66.9132844691662 671803.74257298 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
2150-Feb-02 10:08 00:08 Jupiter 1.8586054225947 1.8586016333465 1.85860921183847 2.60351276913168 2.42215161626645 2506363.922323648 7.72482626138759 133.74518832669 39.2606580777079 32.7732073533473 710795.697596091 T 29 CATAB v2.0f-lin.ifort 2021-Feb-24 07:41:12 2021-Feb-24 07:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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