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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1626943827019255 4.3445e-08  
a 2.770374020170346 1.3956e-08 au
q 2.31964972910528 1.2206e-07 au
i 9.347123713946441 5.0572e-06 deg
node 29.42213939686436 2.3463e-05 deg
peri 298.9475140711187 2.6554e-05 deg
M 316.8902953943297 1.3673e-05 deg
tp 2459598.187313848883
(2022-Jan-18.68731385)
6.4402e-05 TDB
period 1684.247981974057
4.61
1.2727e-05
3.484e-08
d
yr
n .2137452464559611 1.6151e-09 deg/d
Q 3.221098311235412 1.6227e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:43  

Additional Information
 Earth MOID = 1.32588 au 
 Jupiter MOID = 2.20957 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457228.5 (2015-Jul-25.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608253195036594 4.3331e-08  
q 2.327221359158065 1.2131e-07 au
tp 2457912.915855496325
(2017-Jun-08.41585550)
6.2534e-05 TDB
node 29.45902851851699 2.3476e-05 deg
peri 298.6559273897475 2.6631e-05 deg
i 9.341244989558886 5.0536e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1573  
   data-arc span      7532 days (20.62 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:26:43  

Additional Information
 Jupiter MOID = 2.20957 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.877592781256239E-15 -5.231273873196222E-15 1.270585079508607E-12 -3.219196788439345E-15 2.667636132494513E-13 6.698976497160637E-16
q -5.231273873196222E-15 1.471599145438025E-14 -3.436159581854982E-12 8.70498272133463E-15 -7.376056038259538E-13 -1.74762034662055E-15
tp 1.270585079508607E-12 -3.436159581854982E-12 3.91053309267026E-9 2.598630987920687E-12 8.000002734793162E-10 -2.145338624617582E-12
node -3.219196788439345E-15 8.70498272133463E-15 2.598630987920687E-12 5.51108739690791E-10 -5.428530940229974E-10 -4.739179548469376E-11
peri 2.667636132494513E-13 -7.376056038259538E-13 8.000002734793162E-10 -5.428530940229974E-10 7.092000492529851E-10 4.635248625045591E-11
i 6.698976497160637E-16 -1.74762034662055E-15 -2.145338624617582E-12 -4.739179548469376E-11 4.635248625045591E-11 2.553862971098865E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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

[ show close-approach data ]
Alternate Designations
 1999 XL124 = 2001 DM9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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