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JPL Small-Body Database Browser
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(2019 UF9)
Classification: Apollo [NEO]          SPK-ID: 3884017
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3729776311120379 0.00072438  
a 1.254986751797194 0.0010215 au
q .7869047660348854 0.00026857 au
i 2.555537641871213 0.0041723 deg
node 40.93404880303078 0.0013051 deg
peri 73.5935211114858 0.0055788 deg
M 110.4414158764171 0.1123 deg
tp 2458842.961537125363
(2019-Dec-25.46153713)
0.032158 TDB
period 513.5197351900266
1.41
0.62699
0.001717
d
yr
n .7010441378008246 0.00085595 deg/d
Q 1.723068737559502 0.0014025 au
  Orbit Determination Parameters
   # obs. used (total)      19  
   data-arc span      6 days  
   first obs. used      2019-10-24  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .40002  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-30 08:03:56  

Additional Information
 Earth MOID = .00194734 au 
 Jupiter MOID = 3.38746 au 
 T_jup = 5.057 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 28.1   .26506 MPO502130 autocmod 2.8

[ 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
1933-Sep-05 09:16 2_13:02 Mars 0.0234070175584945 0.0141511574302123 0.191124393860262 9.92522730995853 9.92399492438051 2427320.886239677 3661.60019340842 8574818.54019685 87.9886314123757 -37.2062320884034 23840.1965484984 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
1936-Apr-09 13:42 20:38 Earth 0.164925971476929 0.101297053435044 0.228841776469158 14.930560704924 14.9294786160636 2428268.070938337 1237.55108489171 3198524.06697335 19.6629278069078 -5.70422528947657 110362.03570156 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2017-Apr-14 20:20 3_09:11 Earth 0.246827494961516 0.181242028351958 0.312573913148193 17.3583348535567 17.3577129564462 2457858.347371403 4870.9901493764 3289547.60199027 45.1048669807874 -5.30320948236994 70506.214325886 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2019-Oct-31 21:43 < 00:01 Earth 0.00523752717816946 0.00520744709365592 0.00526760395850341 10.2805243718349 10.2309200154592 2458788.405118042 0.118703106559885 1485.40493755595 4.00290393034052 -0.278360859865133 337.770190732636 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2019-Nov-01 01:42 00:01 Moon 0.00723766689230132 0.0072081459956488 0.00726719058425383 11.1246069165853 11.124199870623 2458788.570695804 1.26066238055231 1489.14660903264 4.15820564400003 -8.69814071744804 37067.3846962883 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2065-May-07 17:57 2_13:15 Mars 0.0176241669803471 0.0170062499461604 0.296810053477994 10.0219102439736 10.020289247004 2475413.248123067 3674.65126335112 14546181.5443534 94.6231782101923 -74.8073330837678 26390.1126743163 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2078-Nov-06 07:36 7_07:58 Earth 0.0515091629090356 0.006065179945851 0.109976445190575 8.58244457188982 8.5764152366166 2480343.816364873 10558.1655034635 2925458.73279222 5.10923741162466 -6.78359534987449 346387.949858066 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2109-Oct-16 13:32 7_05:41 Earth 0.286825144478185 0.0769060508247042 0.496922828418713 18.662298959693 18.6618011815933 2491645.063674733 10420.5715750064 10478349.7684169 13.9069624016174 1.38820242991421 63181.6182107639 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2114-Apr-24 12:56 9_03:26 Earth 0.368050226944373 0.212236208570726 0.52443403281722 20.9690823408638 20.9687370942584 2493296.039050519 13166.1342852384 7817459.17255616 47.3684715808371 -4.81121631401159 91357.6235365695 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2150-Jun-04 20:45 00:43 Mars 0.0679628685790528 0.0115544678864243 0.153068833290754 11.241071272899 11.2406965294728 2506486.364752402 42.7801893169727 4271453.70230845 73.5892394554337 9.79126590383157 22745.7709921834 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2152-Apr-21 19:46 9_21:13 Earth 0.315458286469593 0.0428506498799806 0.590077745164598 19.4217367908664 19.421301893062 2507173.323328757 14233.4476461895 13701796.9594509 46.8748413318132 -2.64318278435071 42365.9698143866 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
2190-Apr-21 16:14 2_07:38 Earth 0.295934557837554 0.229350218368436 0.362532474265058 18.8284413902318 18.8279631921628 2521052.176735096 3337.73837676553 3322134.4007455 65.4201341414755 -1.72274645378278 18369.2041022272 T 2 CATAB v2.0f-lin.ifort 2019-Oct-30 08:03:58 2019-Oct-30 08:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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