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215122 (1999 LG4)
Classification: Mars-crossing Asteroid          SPK-ID: 2215122
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2591505096576592 3.648e-08  
a 2.191990175005154 1.0374e-08 au
q 1.623934803987987 7.896e-08 au
i 24.36765285513821 9.8008e-06 deg
node 248.245060359204 9.6939e-06 deg
peri 79.81288709475909 2.196e-05 deg
M 126.0295530986612 2.0625e-05 deg
tp 2458585.520897414606
(2019-Apr-12.02089741)
6.6261e-05 TDB
period 1185.376550639606
3.25
8.4152e-06
2.304e-08
d
yr
n .3037009630448241 2.156e-09 deg/d
Q 2.760045546022321 1.3063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      9537 days (26.11 yr)  
   first obs. used      1993-12-17  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:19:24  

Additional Information
 Earth MOID = .772966 au 
 Jupiter MOID = 2.79947 au 
 T_jup = 3.516 
[ 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 16.0   n/a MPO433407  

215122 (1999 LG4)          Discovered 1999-Jun-09 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 1999 LG4 = 2006 VV13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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