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100414 (1996 AJ18)
Classification: Main-belt Asteroid          SPK-ID: 2100414
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1554324087099269 5.8249e-08  
a 2.777798921831103 1.7433e-08 au
q 2.346038944499056 1.6104e-07 au
i 5.583881144665047 4.9119e-06 deg
node 284.2292193692343 5.9767e-05 deg
peri 61.13134708404263 6.1322e-05 deg
M 263.2028391251407 1.6773e-05 deg
tp 2459655.184084800953
(2022-Mar-16.68408480)
8.103e-05 TDB
period 1691.023466483266
4.63
1.5919e-05
4.358e-08
d
yr
n .2128888256936335 2.0041e-09 deg/d
Q 3.209558899163149 2.0143e-08 au
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1996-01-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:04  

Additional Information
 Earth MOID = 1.34287 au 
 Jupiter MOID = 2.21546 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457252.5 (2015-Aug-18.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538469256413544 5.8122e-08  
q 2.352250877397125 1.6026e-07 au
tp 2457963.985801330591
(2017-Jul-29.48580133)
7.4386e-05 TDB
node 284.2695808378879 5.9757e-05 deg
peri 61.11816689434328 6.1349e-05 deg
i 5.582317269893972 4.9115e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      408  
   data-arc span      8871 days (24.29 yr)  
   first obs. used      1996-01-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55847  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:04  

Additional Information
 Jupiter MOID = 2.21546 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.378158110554211E-15 -9.275142422440674E-15 5.650299953593622E-13 9.2561361257899E-15 2.518556815191303E-14 -1.837466199474647E-15
q -9.275142422440674E-15 2.568340893813035E-14 -1.160690184662322E-12 -3.111667718908002E-14 -1.007691373919285E-14 5.263254884247359E-15
tp 5.650299953593622E-13 -1.160690184662322E-12 5.53333975860708E-9 5.664091848889695E-12 1.07517205588059E-9 1.748986635490113E-13
node 9.2561361257899E-15 -3.111667718908002E-14 5.664091848889695E-12 3.570868768057988E-9 -3.552828481431458E-9 8.750019935139341E-11
peri 2.518556815191303E-14 -1.007691373919285E-14 1.07517205588059E-9 -3.552828481431458E-9 3.76375847185247E-9 -8.699456429481905E-11
i -1.837466199474647E-15 5.263254884247359E-15 1.748986635490113E-13 8.750019935139341E-11 -8.699456429481905E-11 2.412286121346047E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.66   n/a E2021B55  

100414 (1996 AJ18)          Discovered 1996-Jan-13 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1996 AJ18 = 2003 QR75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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