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166537 (2002 RO27)
Classification: Main-belt Asteroid          SPK-ID: 2166537
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06030430600215563 3.9269e-08  
a 2.775184710804863 1.9905e-08 au
q 2.607829122791983 1.0875e-07 au
i 2.791926153975056 4.8315e-06 deg
node 209.3038263577469 0.00010415 deg
peri 240.8582556069552 0.00011696 deg
M 259.6784373019214 5.6743e-05 deg
tp 2459671.074138580595
(2022-Apr-01.57413858)
0.00026886 TDB
period 1688.636872601852
4.62
1.8168e-05
4.974e-08
d
yr
n .2131897069411447 2.2936e-09 deg/d
Q 2.942540298817743 2.1105e-08 au
  Orbit Determination Parameters
   # obs. used (total)      382  
   data-arc span      7578 days (20.75 yr)  
   first obs. used      2000-03-10  
   last obs. used      2020-12-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56793  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:27:48  

Additional Information
 Earth MOID = 1.62544 au 
 Jupiter MOID = 2.17424 au 
 T_jup = 3.331 
[ show covariance matrix ]

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 16.16   n/a MPCxxxxx  

166537 (2002 RO27)          Discovered 2002-Sep-04 by Kusnirak, P. at Ondrejov
Reference: 20071026/Numbers.arcLast Updated: 2007-10-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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