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146860 (2002 AL149)
Classification: Main-belt Asteroid          SPK-ID: 2146860
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02717499095546751 6.4672e-08  
a 2.973261882054465 2.4329e-08 au
q 2.892463517301398 1.8234e-07 au
i 11.30415936674468 6.1229e-06 deg
node 106.8470468792261 4.378e-05 deg
peri 125.4615424101057 0.00017511 deg
M 169.2116409177552 0.0001705 deg
tp 2458516.311058610899
(2019-Feb-01.81105861)
0.00088731 TDB
period 1872.613593139783
5.13
2.2984e-05
6.293e-08
d
yr
n .192244679478372 2.3596e-09 deg/d
Q 3.054060246807531 2.499e-08 au
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7321 days (20.04 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:02:58  

Additional Information
 Earth MOID = 1.892 au 
 Jupiter MOID = 2.02568 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457726.5 (2016-Dec-04.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0257433147993044 6.0997e-08  
q 2.89826328052482 1.7021e-07 au
tp 2458547.758251670264
(2019-Mar-05.25825167)
0.00096806 TDB
node 106.9055363507246 4.3863e-05 deg
peri 131.7163943640725 0.00019045 deg
i 11.29176974917139 6.1061e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      7321 days (20.04 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-10-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:02:58  

Additional Information
 Jupiter MOID = 2.02568 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.720647391630566E-15 -1.030518877908754E-14 -2.49508224001274E-11 -1.030990146180848E-14 -4.987200013793579E-12 8.282267342110983E-15
q -1.030518877908754E-14 2.897105803480627E-14 7.07727103087172E-11 4.16827776377346E-14 1.408238298412801E-11 -2.031038991375504E-14
tp -2.49508224001274E-11 7.07727103087172E-11 9.371476836972205E-7 3.855613558467474E-10 1.795146166711429E-7 -1.74680476857566E-10
node -1.030990146180848E-14 4.16827776377346E-14 3.855613558467474E-10 1.923979683458351E-9 -1.813640984500019E-9 1.563822169224586E-10
peri -4.987200013793579E-12 1.408238298412801E-11 1.795146166711429E-7 -1.813640984500019E-9 3.627247755867219E-8 -1.873145860732415E-10
i 8.282267342110983E-15 -2.031038991375504E-14 -1.74680476857566E-10 1.563822169224586E-10 -1.873145860732415E-10 3.728464616663064E-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 15.65   n/a E2021B55  

146860 (2002 AL149)          Discovered 2002-Jan-14 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ 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
1999-Feb-22 06:48 00:01 Psych 0.0497867315798115 0.0497830230453043 0.0497904402204125 4.06672795573159 4.06672789597381 2451231.783640480 1.12773570933224 225.197234033457 84.3159051853524 38.0527766391014 60302.5515407665 T 9 CATAB v2.0f-lin.ifort 2021-Apr-13 19:02:59 2021-Apr-13 19:02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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