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434180 (2002 UB77)
Classification: Main-belt Asteroid          SPK-ID: 2434180
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050266337298151 7.4968e-08  
a 2.282093863959944 1.1882e-08 au
q 1.81420384117677 1.6778e-07 au
i 3.793143784133064 8.4941e-06 deg
node 178.1142476716838 6.6682e-05 deg
peri 147.4072993530455 6.9765e-05 deg
M 149.5459744707092 1.7151e-05 deg
tp 2458677.416636048225
(2019-Jul-12.91663605)
5.8676e-05 TDB
period 1259.211501273291
3.45
9.8343e-06
2.692e-08
d
yr
n .2858931955719708 2.2328e-09 deg/d
Q 2.749983886743117 1.4318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7242 days (19.83 yr)  
   first obs. used      2001-04-15  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52962  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:15:10  

Additional Information
 Earth MOID = .801975 au 
 Jupiter MOID = 2.59357 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457835.5 (2017-Mar-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2056929746704936 7.5014e-08  
q 1.811956479224253 1.6798e-07 au
tp 2457418.985186187002
(2016-Jan-31.48518619)
5.6435e-05 TDB
node 178.1539713499446 6.665e-05 deg
peri 147.4219612828265 6.9721e-05 deg
i 3.794423875267633 8.4983e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      7242 days (19.83 yr)  
   first obs. used      2001-04-15  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52962  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:15:10  

Additional Information
 Jupiter MOID = 2.59357 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.62708875829224E-15 -1.258352419312298E-14 2.287078353137165E-12 -1.015472188675938E-14 7.826216232359599E-13 -1.166238562770139E-14
q -1.258352419312298E-14 2.82162163039038E-14 -5.157214486462171E-12 2.168434941730998E-14 -1.758166935124538E-12 2.653734937660253E-14
tp 2.287078353137165E-12 -5.157214486462171E-12 3.184868301207604E-9 -1.956064535236778E-12 1.161902479427224E-9 -5.513186344165255E-12
node -1.015472188675938E-14 2.168434941730998E-14 -1.956064535236778E-12 4.442204921069017E-9 -4.431335307419074E-9 -8.830628146982742E-12
peri 7.826216232359599E-13 -1.758166935124538E-12 1.161902479427224E-9 -4.431335307419074E-9 4.861022964010439E-9 6.968624663575762E-12
i -1.166238562770139E-14 2.653734937660253E-14 -5.513186344165255E-12 -8.830628146982742E-12 6.968624663575762E-12 7.222046063801143E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.82   n/a MPCxxxxx  

434180 (2002 UB77)          Discovered 2002-Oct-31 by NEAT at Palomar
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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