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90870 (1996 TJ18)
Classification: Main-belt Asteroid          SPK-ID: 2090870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1021739363350215 5.4037e-08  
a 2.550397370141325 1.2599e-08 au
q 2.289813231615499 1.3276e-07 au
i .8093135401976731 3.2951e-06 deg
node 279.0982687374262 0.00033268 deg
peri 315.9222566843473 0.00033316 deg
M 182.005336843059 1.743e-05 deg
tp 2460132.054208946283
(2023-Jul-06.55420895)
7.233e-05 TDB
period 1487.682330043703
4.07
1.1024e-05
3.018e-08
d
yr
n .2419871451920952 1.7932e-09 deg/d
Q 2.810981508667151 1.3887e-08 au
  Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      10246 days (28.05 yr)  
   first obs. used      1992-11-26  
   last obs. used      2020-12-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50564  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:48  

Additional Information
 Earth MOID = 1.27874 au 
 Jupiter MOID = 2.18009 au 
 T_jup = 3.433 
[ 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 16.14   n/a E2021B10  

90870 (1996 TJ18)          Discovered 1996-Oct-04 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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