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136235 (2003 WL122)
Classification: Main-belt Asteroid          SPK-ID: 2136235
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .08417650945521704 4.6984e-08  
a 2.485614751828213 1.9233e-08 au
q 2.276384378168919 1.1686e-07 au
i 5.43876644679092 4.5949e-06 deg
node 275.0168342544375 7.5813e-05 deg
peri 324.5598785365517 8.5423e-05 deg
M 259.5722844593452 4.1872e-05 deg
tp 2459399.800851659406
(2021-Jul-04.30085166)
0.0001674 TDB
period 1431.360912906502
3.92
1.6614e-05
4.549e-08
d
yr
n .2515088939162024 2.9192e-09 deg/d
Q 2.694845125487507 2.0852e-08 au
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      6381 days (17.47 yr)  
   first obs. used      2002-08-06  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:39:22  

Additional Information
 Earth MOID = 1.26607 au 
 Jupiter MOID = 2.32627 au 
 T_jup = 3.465 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456811.5 (2014-Jun-03.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08480484978683497 4.6639e-08  
q 2.274750959185016 1.1605e-07 au
tp 2456539.010381658856
(2013-Sep-03.51038166)
0.00016318 TDB
node 275.1021365651196 7.5832e-05 deg
peri 324.8874407502838 8.5403e-05 deg
i 5.438044452795359 4.5961e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      311  
   data-arc span      6381 days (17.47 yr)  
   first obs. used      2002-08-06  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:39:22  

Additional Information
 Jupiter MOID = 2.32627 au 
 T_jup = 3.465 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.17523684889902E-15 -5.350673143932853E-15 -2.737939089496511E-12 -5.091059359623536E-14 -7.025469991161363E-13 -1.065977602013609E-15
q -5.350673143932853E-15 1.346794303314888E-14 6.836145678881104E-12 1.298835425241629E-13 1.760629120651964E-12 3.04982191977483E-15
tp -2.737939089496511E-12 6.836145678881104E-12 2.662898570567424E-8 2.801913433884851E-10 6.493705171649073E-9 -5.236403179071018E-12
node -5.091059359623536E-14 1.298835425241629E-13 2.801913433884851E-10 5.750499497421555E-9 -5.65206671489341E-9 7.55255633502783E-11
peri -7.025469991161363E-13 1.760629120651964E-12 6.493705171649073E-9 -5.65206671489341E-9 7.29369299815327E-9 -7.641992588817684E-11
i -1.065977602013609E-15 3.04982191977483E-15 -5.236403179071018E-12 7.55255633502783E-11 -7.641992588817684E-11 2.112448503429857E-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 16.1   n/a MPO453845  

136235 (2003 WL122)          Discovered 2003-Nov-20 by Spacewatch at Kitt Peak
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2067-Aug-12 02:17 < 00:01 Juno 0.0241642502639582 0.0241526208389411 0.0241758871808499 8.18589415444957 8.18589409294512 2476239.595312056 0.93461951125215 888.887633406148 53.2390843241761 49.3930550814754 51602.7138063995 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 07:39:23 2020-Feb-24 07:39
2181-Jan-03 05:20 00:02 Juno 0.045628291086621 0.0455796301828328 0.0456769532190402 8.61658713451094 8.61658710356694 2517656.722267989 2.23846390421468 2454.67428202973 53.5778407422884 -8.75613847155088 19581.7353001709 T 15 CATAB v2.0f-lin.ifort 2020-Feb-24 07:39:23 2020-Feb-24 07:39

Alternate Designations
 2003 WL122 = 2002 PG18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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