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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 ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147124889101265 4.352e-08  
a 2.739312083231778 2.1266e-08 au
q 2.425078776262677 1.1734e-07 au
i 10.94521822129111 5.2989e-06 deg
node 247.4507440500368 2.8446e-05 deg
peri 234.0092918193565 3.9191e-05 deg
M 232.412958408719 2.7175e-05 deg
tp 2459983.400883519129
(2023-Feb-07.90088352)
0.00012714 TDB
period 1656.001388790921
4.53
1.9284e-05
5.28e-08
d
yr
n .217391122034531 2.5315e-09 deg/d
Q 3.053545390200879 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-Aug-25 19:30:14  

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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1157076938722792 4.327e-08  
q 2.420751594580246 1.1685e-07 au
tp 2456664.954845250601
(2014-Jan-07.45484525)
0.00011677 TDB
node 247.6728874608382 2.8337e-05 deg
peri 232.2617573029117 3.9071e-05 deg
i 10.97290945243814 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-Aug-25 19:30:14  

Additional Information
 Jupiter MOID = 2.1525 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.872323258369096E-15 -4.995616627376514E-15 4.597584708669568E-13 -9.99050923500428E-16 1.295487456839133E-13 -2.131050068056608E-15
q -4.995616627376514E-15 1.365341077912768E-14 -1.018572963802741E-12 2.504201567726597E-15 -2.689596336932049E-13 6.094715263492041E-15
tp 4.597584708669568E-13 -1.018572963802741E-12 1.363568309755625E-8 1.049068666525338E-11 3.167676230535884E-9 -8.477205938799938E-12
node -9.99050923500428E-16 2.504201567726597E-15 1.049068666525338E-11 8.02971306078587E-10 -7.856360523865623E-10 -2.371846935974645E-11
peri 1.295487456839133E-13 -2.689596336932049E-13 3.167676230535884E-9 -7.856360523865623E-10 1.526535764665078E-9 2.135315449858366E-11
i -2.131050068056608E-15 6.094715263492041E-15 -8.477205938799938E-12 -2.371846935974645E-11 2.135315449858366E-11 2.817666796852296E-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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