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135805 (2002 RF121)
Classification: Main-belt Asteroid          SPK-ID: 2135805
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2024393887803182 3.8837e-08  
a 2.725944234556569 1.292e-08 au
q 2.174105749863705 1.0995e-07 au
i 12.62611966710834 5.1545e-06 deg
node 338.7764224532747 1.796e-05 deg
peri 83.25746487418569 2.5534e-05 deg
M 342.3925532161461 1.3722e-05 deg
tp 2459280.902168334075
(2021-Mar-07.40216833)
6.2529e-05 TDB
period 1643.894254265731
4.50
1.1687e-05
3.2e-08
d
yr
n .2189921882541035 1.5569e-09 deg/d
Q 3.277782719249433 1.5535e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1220  
   data-arc span      8151 days (22.32 yr)  
   first obs. used      1998-12-17  
   last obs. used      2021-04-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47293  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:55  

Additional Information
 Earth MOID = 1.22823 au 
 Jupiter MOID = 2.22177 au 
 T_jup = 3.292 
[ 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 14.54   n/a E2021B55  

135805 (2002 RF121)          Discovered 2002-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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