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67012 (1999 XL124)
Classification: Main-belt Asteroid          SPK-ID: 2067012
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626943856568493 4.285e-08  
a 2.770374020862006 1.3867e-08 au
q 2.319649721498167 1.2064e-07 au
i 9.347123407063949 4.9996e-06 deg
node 29.42214033441192 2.3351e-05 deg
peri 298.9475138799599 2.6408e-05 deg
M 316.8902943455117 1.345e-05 deg
tp 2459598.187318831274
(2022-Jan-18.68731883)
6.3333e-05 TDB
period 1684.2479826048
4.61
1.2646e-05
3.462e-08
d
yr
n .2137452463759146 1.6048e-09 deg/d
Q 3.221098320225845 1.6123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1591  
   data-arc span      7972 days (21.83 yr)  
   first obs. used      1999-10-12  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50398  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:34:53  

Additional Information
 Earth MOID = 1.32588 au 
 Jupiter MOID = 2.20957 au 
 T_jup = 3.299 
[ 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 14.12   n/a E2021B10  
diameter diameter 4.217 km 1.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.329   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

67012 (1999 XL124)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XL124 = 2001 DM9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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