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134524 (1999 RH18)
Classification: Main-belt Asteroid          SPK-ID: 2134524
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2376209235688789 4.0361e-08  
a 2.281919244123466 7.4219e-09 au
q 1.73968748582525 9.1327e-08 au
i 3.189454235695881 5.1986e-06 deg
node 27.81439531190827 6.6192e-05 deg
peri 329.8996644465489 6.718e-05 deg
M 55.31152495198793 1.3364e-05 deg
tp 2459007.053015283990
(2020-Jun-06.55301528)
4.6042e-05 TDB
period 1259.066976696341
3.45
6.1426e-06
1.682e-08
d
yr
n .2859260124069031 1.395e-09 deg/d
Q 2.824151002421682 9.1855e-09 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      7856 days (21.51 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49856  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:45  

Additional Information
 Earth MOID = .735169 au 
 Jupiter MOID = 2.62536 au 
 T_jup = 3.565 
[ 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 16.60   n/a E2021B55  

134524 (1999 RH18)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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