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160578 (1999 JJ90)
Classification: Main-belt Asteroid          SPK-ID: 2160578
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1006306160139536 3.5495e-08  
a 2.762390656941502 2.0162e-08 au
q 2.484409583462289 1.0044e-07 au
i 16.85574500531363 4.0325e-06 deg
node 91.98533481646838 1.4022e-05 deg
peri 134.0488567077883 2.5854e-05 deg
M 250.9685811467487 2.3842e-05 deg
tp 2459708.396516900696
(2022-May-08.89651690)
0.00011393 TDB
period 1676.973004729435
4.59
1.8359e-05
5.026e-08
d
yr
n .2146725075387143 2.3502e-09 deg/d
Q 3.040371730420716 2.2191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      699  
   data-arc span      7957 days (21.79 yr)  
   first obs. used      1999-04-10  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51566  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:01:54  

Additional Information
 Earth MOID = 1.49672 au 
 Jupiter MOID = 2.07221 au 
 T_jup = 3.271 
[ 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 15.1   n/a MPO454063  

160578 (1999 JJ90)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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