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190816 (2001 RO142)
Classification: Main-belt Asteroid          SPK-ID: 2190816
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2595711500508223 4.4856e-08  
a 2.324471707915813 8.0912e-09 au
q 1.721105913431507 1.0644e-07 au
i 2.589130348402085 3.9927e-06 deg
node 50.03145834396399 0.00013491 deg
peri 327.4036922806004 0.00013543 deg
M 146.9292587580113 1.4218e-05 deg
tp 2458672.187835404617
(2019-Jul-07.68783540)
4.9342e-05 TDB
period 1294.448640536461
3.54
6.7588e-06
1.85e-08
d
yr
n .2781106864547398 1.4521e-09 deg/d
Q 2.92783750240012 1.0192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      9186 days (25.15 yr)  
   first obs. used      1994-11-29  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50168  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 21:25:41  

Additional Information
 Earth MOID = .722314 au 
 Jupiter MOID = 2.535 au 
 T_jup = 3.528 
[ 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 17.0   n/a MPO449947  

190816 (2001 RO142)          Discovered 2001-Sep-10 by NEAT at Palomar
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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