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192881 (1999 XR59)
Classification: Main-belt Asteroid          SPK-ID: 2192881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147124889140514 4.352e-08  
a 2.739312083249328 2.1266e-08 au
q 2.425078776267462 1.1734e-07 au
i 10.94521822125976 5.2989e-06 deg
node 247.4507440500289 2.8446e-05 deg
peri 234.0092918184039 3.9191e-05 deg
M 232.4129584064322 2.7175e-05 deg
tp 2459983.400883535288
(2023-Feb-07.90088354)
0.00012714 TDB
period 1656.001388806835
4.53
1.9284e-05
5.28e-08
d
yr
n .2173911220324419 2.5315e-09 deg/d
Q 3.053545390231193 2.3705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:26:04  

Additional Information
 Earth MOID = 1.45971 au 
 Jupiter MOID = 2.1525 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457427.5 (2016-Feb-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157076938730396 4.327e-08  
q 2.420751594578311 1.1685e-07 au
tp 2456664.954845250080
(2014-Jan-07.45484525)
0.00011677 TDB
node 247.672887460794 2.8337e-05 deg
peri 232.2617573029708 3.9071e-05 deg
i 10.97290945244365 5.3082e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7895 days (21.62 yr)  
   first obs. used      1999-11-09  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 15:26:04  

Additional Information
 Jupiter MOID = 2.1525 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.872323258426834E-15 -4.995616627521823E-15 4.597584710737884E-13 -9.990509174216061E-16 1.295487457333878E-13 -2.131050068156872E-15
q -4.995616627521823E-15 1.365341077948565E-14 -1.01857296432819E-12 2.504201605044977E-15 -2.689596338740832E-13 6.094715262517083E-15
tp 4.597584710737884E-13 -1.01857296432819E-12 1.363568309674704E-8 1.049068663586016E-11 3.167676230428901E-9 -8.477205936752648E-12
node -9.990509174216061E-16 2.504201605044977E-15 1.049068663586016E-11 8.029713060774647E-10 -7.856360523812976E-10 -2.371846935935764E-11
peri 1.295487457333878E-13 -2.689596338740832E-13 3.167676230428901E-9 -7.856360523812976E-10 1.526535764635806E-9 2.135315449841011E-11
i -2.131050068156872E-15 6.094715262517083E-15 -8.477205936752648E-12 -2.371846935935764E-11 2.135315449841011E-11 2.817666796855205E-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 15.43   n/a E2021B55  

192881 (1999 XR59)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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