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285331 (1999 FN53)
Classification: Apollo [NEO]          SPK-ID: 2285331
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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 99 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4557178897381808 1.3499e-08  
a 1.735587367814367 1.911e-09 au
q .9446491550977596 2.3047e-08 au
i 20.16297096842927 8.0295e-06 deg
node 50.59626824024053 1.688e-05 deg
peri 191.7011405417715 1.7403e-05 deg
M 258.5706650813818 5.8715e-06 deg
tp 2458835.803953808863
(2019-Dec-18.30395381)
1.3901e-05 TDB
period 835.1570424784619
2.29
1.3793e-06
3.776e-09
d
yr
n .4310566536464118 7.1193e-10 deg/d
Q 2.526525580530974 2.7819e-09 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   # delay obs. used      1  
   # Doppler obs. used      3  
   data-arc span      7219 days (19.76 yr)  
   first obs. used      1999-03-31  
   last obs. used      2019-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jan-20 08:11:22  

Additional Information
 Earth MOID = .0576652 au 
 Jupiter MOID = 2.50675 au 
 T_jup = 3.963 
[ 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 18.3   n/a MPO214962  
diameter diameter 0.654 km 0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.198   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

285331 (1999 FN53)          Discovered 1999-Mar-31 by LONEOS at Anderson Mesa
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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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
1903-Jul-13 03:40 00:01 Earth 0.432404046429734 0.432398005014574 0.432410087894471 19.0101386379244 19.0098144916564 2416308.652649675 1.02552738504985 379.864231590277 19.5111041627607 37.5856192910119 1828247.22374017 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
1910-Mar-31 13:32 < 00:01 Earth 0.392421764855286 0.392414999975619 0.392428529743787 20.9545583028261 20.9542342736495 2418762.063871087 0.732672095291172 349.870105067703 11.5985779577786 -15.3937381019304 1259758.59384215 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
1919-Jun-25 23:46 00:01 Earth 0.310620105169324 0.310614717865863 0.310625492639165 16.0219995907457 16.0214641969498 2422135.489973879 1.18369999666506 448.526972913851 16.5733727238845 53.2584493280914 2025448.93256374 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
1935-Jun-10 13:21 00:01 Earth 0.216756922543154 0.216752488685714 0.216761356862257 14.5131091804831 14.5122621645277 2427964.056197613 1.05888771159693 546.915902972365 16.4058844033337 66.2126101339836 1581825.20121591 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
1951-May-29 01:51 < 00:01 Earth 0.144047317046342 0.144043984012338 0.144050650320963 13.8408944240747 13.8395579393621 2433795.577348282 0.799931017514814 338.347416525616 14.4693733371876 60.6711851889587 1153883.5479373 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
1967-May-18 05:16 < 00:01 Earth 0.084182112609122 0.0841804732086212 0.0841837520775248 13.692675989076 13.6903642390696 2439628.719415609 0.466845863619797 144.744584248258 4.88798591560501 55.6592343024028 1761245.80132311 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
1983-May-12 13:40 < 00:01 Earth 0.0616555043559073 0.061655248741701 0.0616557599841115 13.7813800304261 13.7782438776498 2445467.069459887 0.166933376316112 48.5920811462451 1.96053737512101 74.9642864414667 3850195.77447199 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
1999-May-12 00:38 < 00:01 Earth 0.0593162123376359 0.0593161612939163 0.0593162633815611 13.7811212846755 13.777861373553 2451310.526399890 0.0797765395747025 13.5834533391948 2.31992267173412 85.5106755334801 3584744.92636595 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2015-May-14 11:25 < 00:01 Earth 0.0677615486833024 0.0677614000163931 0.0677616973508742 13.7288774066641 13.7260129693979 2457156.975969444 0.0849786185217802 13.9397382808065 3.28792533040966 60.6296093048634 2306156.14118179 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2031-May-18 03:45 < 00:01 Earth 0.0847893449575824 0.084788841504523 0.0847898484150277 13.6917481338195 13.6894527855999 2463004.656593478 0.146220692075108 39.8197040318602 4.51109353588815 51.3752279435178 1848555.94305875 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2047-May-27 12:49 < 00:01 Earth 0.13559631870314 0.135595308419286 0.135597329000836 13.7762421278813 13.7748156791228 2468858.034038838 0.235984086897772 86.5551598447378 12.0888630183881 55.2063975068371 1230093.33960401 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2063-Jun-15 20:28 < 00:01 Earth 0.245305037448078 0.245303730749956 0.245306344165834 14.7513176924679 14.7505813397174 2474721.352485416 0.29082661878596 129.913505571192 14.8557657562282 60.5563152073813 1900658.09260932 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2070-Mar-25 08:53 < 00:01 Earth 0.492494365891588 0.492492810439149 0.492495921344252 23.7722163768879 23.7719887919613 2477195.869826403 0.17465203745227 79.374396005739 12.5945899893112 -12.4226646963108 1437533.36115614 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2079-Jul-05 09:41 < 00:01 Earth 0.360516685776666 0.360515287717304 0.360518083839675 16.942735585415 16.9422993619284 2480584.903556057 0.279489346096713 91.2718454940418 16.9285288337587 41.0596264743197 1932092.74028301 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2086-Apr-04 03:57 < 00:01 Earth 0.353407664623071 0.353406078385304 0.353409250861301 20.1617576417426 20.1613836930405 2483049.664578622 0.197428700413822 81.7274772244808 11.707546962831 -14.7283569477206 1223227.17868041 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2095-Jul-19 07:17 < 00:01 Earth 0.458666209477694 0.458664800345257 0.458667618611382 19.6010909028533 19.6007945298432 2486442.803329376 0.230137583324675 80.6269199807101 19.5481093391684 30.3629386695219 1716525.13840616 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2102-Apr-14 22:07 < 00:01 Earth 0.236501699907668 0.236500233014847 0.236503166801511 17.3809681457716 17.3803199409983 2488903.421774285 0.21060734861565 77.2472355732914 10.5596540259571 -18.9370472128435 1127854.25260259 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2118-Apr-26 02:41 < 00:01 Earth 0.129299857036089 0.129298789906288 0.129300924168647 15.2238988461366 15.22254519195 2494758.612023883 0.19274975119677 61.1750377858813 8.6628940840964 -29.8913254834195 1165306.70222931 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2134-May-07 09:34 < 00:01 Earth 0.0598905271453586 0.0598903117411442 0.0598907425532157 14.0603226869217 14.0571581671851 2500613.898720957 0.112335767732288 29.0059944654224 5.40053472031696 -70.9854554571019 1644506.78610368 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2150-May-12 06:09 < 00:01 Earth 0.0597542888805797 0.0597541145833623 0.0597544631823758 13.8276976410753 13.8244725346601 2506462.756229449 0.118877662167601 29.9425206569079 3.59661384001157 74.5625070816106 2313950.85186356 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2166-May-17 07:30 < 00:01 Earth 0.0781295812557655 0.0781287654628609 0.078130397066186 13.6987715113644 13.6962817672962 2512311.812834403 0.246529659056183 71.3299977757549 3.75970610296664 55.3427214855815 2093335.26261606 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2182-May-31 19:27 < 00:01 Earth 0.155846426778924 0.155844611463263 0.155848242157925 13.7799148219529 13.7786740598304 2518170.310722004 0.442604130441304 182.688064983483 14.3603383653236 60.610239499031 1248077.45631031 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
2198-Jun-22 10:28 < 00:01 Earth 0.274567000355928 0.274564743856104 0.274569256904056 15.0450843165431 15.0444392883437 2524035.936054715 0.559957597371035 215.149702848681 15.6452917636367 58.7157925557311 1975464.98841283 T 99 CATAB v2.0e-lin.ifort 2019-Jan-20 08:13:16 2019-Jan-20 08:13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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