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JPL Small-Body Database Browser
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(2019 UN8)
Classification: Apollo [NEO]          SPK-ID: 3883110
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458782.5 (2019-Oct-26.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7219803784718734 0.0027469  
a 2.562499445225732 0.023538 au
q .7124251259276926 0.00050079 au
i .356885512783875 0.0027092 deg
node 18.5644929795576 0.16587 deg
peri 299.8164620406138 0.18235 deg
M 10.67259422910696 0.16232 deg
tp 2458738.081734663237
(2019-Sep-11.58173466)
0.063535 TDB
period 1498.283845330144
4.10
20.644
0.05652
d
yr
n .2402748992602765 0.0033106 deg/d
Q 4.412573764523771 0.040532 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      1 day  
   first obs. used      2019-10-25  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .42736  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-27 00:42:09  

Additional Information
 Earth MOID = .00120873 au 
 Jupiter MOID = .931827 au 
 T_jup = 3.002 
[ 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 29.685   .48863 1 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
1975-Nov-07 15:21 8_16:36 Earth 0.29133708258047 0.103890623022267 0.478780603014229 27.4581525062386 27.4578194267332 2442724.139633444 12516.4405319223 9347009.89260145 1569.99528625632 0.0179361523494397 5.95414475619352 T 1 CATAB v2.0f-lin.ifort 2019-Oct-27 00:42:11 2019-Oct-27 00:42
2019-Oct-23 15:13 00:15 Moon 0.00451876944220709 0.0044675611718173 0.00457002796861316 20.232844792393 20.2324863284437 2458780.134279432 14.933991238638 2663.03208396891 12.9134337306125 16.3954460885194 14574.4276431382 T 1 CATAB v2.0f-lin.ifort 2019-Oct-27 00:42:11 2019-Oct-27 00:42
2019-Oct-23 16:41 00:17 Earth 0.00239707899962091 0.00234650349288328 0.00244764886392562 19.2331915433844 19.1753109959629 2458780.195101002 16.6038871584832 2515.14740056353 12.8831291781024 0.269419019038395 125.887824189863 T 1 CATAB v2.0f-lin.ifort 2019-Oct-27 00:42:11 2019-Oct-27 00:42
2074-May-29 21:07 1_09:03 Jupiter 1.03126841310048 0.812594724635431 1.24942490573155 6.08265523558136 5.94609230600518 2478722.379814894 1983.41516411775 10825983.6501459 12488.7555529031 -9.84026442666725 1180.60798353923 T 1 CATAB v2.0f-lin.ifort 2019-Oct-27 00:42:11 2019-Oct-27 00:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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