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(2018 UB1)
Classification: Centaur          SPK-ID: 3831901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5149097341318233 9.6346e-06  
a 7.653716681625051 0.00017442 au
q 3.712743459969195 1.2302e-05 au
i 19.36287421946203 2.3479e-05 deg
node 225.9644161603889 3.4617e-05 deg
peri 157.4859327392434 0.00063276 deg
M 35.33051552106019 0.0013539 deg
tp 2458441.477808836843
(2018-Nov-18.97780884)
0.0038373 TDB
period 7734.050431725403
21.17
0.26437
0.0007238
d
yr
n .04654740787870541 1.5911e-06 deg/d
Q 11.5946899032809 0.00026423 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      473 days (1.30 yr)  
   first obs. used      2018-10-05  
   last obs. used      2020-01-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .45298  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:45:25  

Additional Information
 Earth MOID = 2.7262 au 
 Jupiter MOID = 1.06481 au 
 T_jup = 2.642 
[ 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 14.2   .28977 E2020A06 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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