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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2050148689830697 8.1919e-08  
a 2.281840393209995 1.1891e-08 au
q 1.814029183955771 1.8407e-07 au
i 3.793013164251795 9.2452e-06 deg
node 178.1226742548461 6.8676e-05 deg
peri 147.3595062362788 7.4077e-05 deg
M 92.415279307825 2.1658e-05 deg
tp 2458677.302790675463
(2019-Jul-12.80279068)
7.5188e-05 TDB
period 1259.001717338116
3.45
9.8415e-06
2.694e-08
d
yr
n .2859408331556063 2.2352e-09 deg/d
Q 2.749651602464218 1.4329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6798 days (18.61 yr)  
   first obs. used      2001-04-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:45:28  

Additional Information
 Earth MOID = .803737 au 
 Jupiter MOID = 2.5938 au 
 T_jup = 3.574 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457650.5 (2016-Sep-19.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2056790914705933 8.2161e-08  
q 1.812202470934285 1.8487e-07 au
tp 2457419.056553852960
(2016-Jan-31.55655385)
7.361e-05 TDB
node 178.1531677472406 6.863e-05 deg
peri 147.4566456866934 7.4e-05 deg
i 3.794426248716955 9.2501e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6798 days (18.61 yr)  
   first obs. used      2001-04-15  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50719  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:45:28  

Additional Information
 Jupiter MOID = 2.5938 au 
 T_jup = 3.574 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.75047742187595E-15 -1.517161680235646E-14 3.819106489981091E-12 -2.575085827740286E-14 1.401095805635841E-12 -1.705267447587599E-14
q -1.517161680235646E-14 3.417849668869089E-14 -8.683508624698163E-12 5.672165540489951E-14 -3.18086725180871E-12 3.883972100742058E-14
tp 3.819106489981091E-12 -8.683508624698163E-12 5.418412990463341E-9 -8.706063400842114E-12 2.044945609913647E-9 -1.030383197745227E-11
node -2.575085827740286E-14 5.672165540489951E-14 -8.706063400842114E-12 4.710134296128547E-9 -4.700889495427876E-9 2.180694879370624E-11
peri 1.401095805635841E-12 -3.18086725180871E-12 2.044945609913647E-9 -4.700889495427876E-9 5.476051539368189E-9 -2.54026062675646E-11
i -1.705267447587599E-14 3.883972100742058E-14 -1.030383197745227E-11 2.180694879370624E-11 -2.54026062675646E-11 8.556424833923093E-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 17.7   n/a MPO495161  

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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