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(2020 UB1)
Classification: Apollo [NEO]          SPK-ID: 54075300
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 2459140.5 (2020-Oct-18.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4073969334709937 0.000886  
a 1.652509137811277 0.0024459 au
q .9792819825341668 1.4678e-05 au
i 10.77361419279681 0.017354 deg
node 21.9313541719505 0.0028894 deg
peri 25.23661054298057 0.0039853 deg
M 350.7253009255584 0.025257 deg
tp 2459160.489943105892
(2020-Nov-06.98994311)
0.010057 TDB
period 775.915149414634
2.12
1.7227
0.004716
d
yr
n .46396825770394 0.0010301 deg/d
Q 2.325736293088386 0.0034423 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      6 days  
   first obs. used      2020-10-17  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .43343  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-23 08:22:26  

Additional Information
 Earth MOID = .00860938 au 
 Jupiter MOID = 3.10339 au 
 T_jup = 4.160 
[ 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 24.6   .29093 E2020-UJ0 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
2020-Oct-20 08:25 < 00:01 Earth 0.0228925307387686 0.0227634061860282 0.0230216504654886 8.35793245912614 8.34399505310689 2459142.850643982 0.241742215250706 6417.39486302911 42.8262682267617 -0.486254375274122 362.581278493599 T 3 CATAB v2.0f-lin.ifort 2020-Oct-23 08:22:29 2020-Oct-23 08:23
2199-Sep-24 10:11 8_22:17 Earth 0.228619046381425 0.144677027168725 0.313388120395714 14.1869860481583 14.1861645201379 2524494.924158527 12857.3918510877 4262042.25960392 48.2303556819627 -8.62565516812124 90834.1847736486 T 3 CATAB v2.0f-lin.ifort 2020-Oct-23 08:22:29 2020-Oct-23 08:23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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