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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2776015018963762 3.1695e-08  
a 2.558848535105632 1.0846e-08 au
q 1.848508338634966 7.7775e-08 au
i 1.70850619762755 4.8353e-06 deg
node 254.5023236611129 0.00022611 deg
peri 150.8895590361186 0.00022672 deg
M 129.3983438742828 1.7686e-05 deg
tp 2458663.107608244897
(2019-Jun-28.60760824)
7.1615e-05 TDB
period 1495.0829758671
4.09
9.5058e-06
2.603e-08
d
yr
n .2407893112361951 1.5309e-09 deg/d
Q 3.269188731576298 1.3857e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:08:22  

Additional Information
 Earth MOID = .85728 au 
 Jupiter MOID = 2.1413 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 16.31   n/a E2021B55  

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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