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134436 (1998 RH61)
Classification: Main-belt Asteroid          SPK-ID: 2134436
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2774673637136906 3.1707e-08  
a 2.559282765554827 1.0848e-08 au
q 1.849165323598446 7.7814e-08 au
i 1.708460805103825 4.8358e-06 deg
node 254.5105653375134 0.00022609 deg
peri 150.9135423477189 0.0002267 deg
M 81.21868349855299 1.7526e-05 deg
tp 2458663.112273436297
(2019-Jun-28.61227344)
7.1663e-05 TDB
period 1495.463559995982
4.09
9.5085e-06
2.603e-08
d
yr
n .2407280321835238 1.5306e-09 deg/d
Q 3.269400207511208 1.3858e-08 au
  Orbit Determination Parameters
   # obs. used (total)      589  
   data-arc span      10740 days (29.40 yr)  
   first obs. used      1990-11-24  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57008  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:19:44  

Additional Information
 Earth MOID = .85886 au 
 Jupiter MOID = 2.13995 au 
 T_jup = 3.380 
[ 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 16.3   n/a MPO264219  

134436 (1998 RH61)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1998 RH61 = 2002 RZ69 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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