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(2020 UC)
Classification: Apollo [NEO]          SPK-ID: 54073343
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3035048488382961 0.0006384  
a 1.241220362967259 0.00089688 au
q .864503964329866 0.00018138 au
i 2.694324930742064 0.0048912 deg
node 29.10470654751487 0.0029035 deg
peri 62.98637211512179 0.021155 deg
M 4.851996690384599 0.016559 deg
tp 2459193.692466929183
(2020-Dec-10.19246693)		 0.030377 TDB
period 505.093482514303
1.38		 0.54745
0.001499		 d
yr
n .7127393491754385 0.00077251 deg/d
Q 1.617936761604652 0.0011691 au
   Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      1 day  
   first obs. used      2020-10-16  
   last obs. used      2020-10-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .48686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-17 11:42:22  

Additional Information
 Earth MOID = .00104044 au 
 Jupiter MOID = 3.56797 au 
 T_jup = 5.122 
[ 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 27.59   .1968 E2020U88 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
2008-Nov-06 08:14 2_23:18 Mars 0.047886825143575 0.0268637371803807 0.197141326174934 8.19807093496825 8.19734164911727 2454776.843195308 4278.04812381694 7763747.84716882 2922.43253486292 34.2095352271197 1231.47690616894 T 1 CATAB v2.0f-lin.ifort 2020-Oct-17 11:42:23 2020-Oct-17 11:42
2020-Oct-20 01:56 00:02 Earth 0.00952315327023127 0.00946154219935315 0.00958475780178964 7.86407691374314 7.82841787883389 2459142.580635564 2.06511672350671 3046.70486713011 24.8258225883886 -0.28169501219396 286.784524271376 T 1 CATAB v2.0f-lin.ifort 2020-Oct-17 11:42:23 2020-Oct-17 11:42
2021-Apr-18 23:08 07:19 Earth 0.395548158477668 0.393080166096521 0.398016465271734 6.65123176562731 6.65021891832231 2459323.463865415 438.699268568277 124352.848178119 17445.6535561589 -8.36878851231513 451.079102445526 T 1 CATAB v2.0f-lin.ifort 2020-Oct-17 11:42:23 2020-Oct-17 11:42
2025-Mar-24 21:09 3_21:43 Earth 0.47975705464684 0.399001800155854 0.56056905716038 21.7910873028273 21.7908324352292 2460759.381559001 5622.74495768148 4036747.31158898 2582.52600626281 -3.6569116861061 1495.93245487714 T 1 CATAB v2.0f-lin.ifort 2020-Oct-17 11:42:23 2020-Oct-17 11:42
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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