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181877 (1999 LZ33)
Classification: Main-belt Asteroid          SPK-ID: 2181877
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2190801618675519 5.7192e-08  
a 2.15721336143283 1.4231e-08 au
q 1.68461070902728 1.3136e-07 au
i 3.443559234470902 3.9905e-06 deg
node 129.6205840381732 6.0989e-05 deg
peri 188.6327709511107 6.2056e-05 deg
M 240.8269849745595 1.309e-05 deg
tp 2459583.601193887309
(2022-Jan-04.10119389)
4.4942e-05 TDB
period 1157.279017989009
3.17
1.1452e-05
3.135e-08
d
yr
n .3110745070152295 3.0782e-09 deg/d
Q 2.62981601383838 1.7349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      378  
   data-arc span      7995 days (21.89 yr)  
   first obs. used      1999-06-11  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4428  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:51  

Additional Information
 Earth MOID = .669459 au 
 Jupiter MOID = 2.67328 au 
 T_jup = 3.666 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.22   n/a E2021B55  

181877 (1999 LZ33)          Discovered 1999-Jun-11 by CSS at Catalina
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1999 LZ33 = 2006 WX8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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