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101055 (1998 RL)
Classification: Main-belt Asteroid          SPK-ID: 2101055
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2002327100636242 3.7598e-08  
a 2.333407876263287 7.5685e-09 au
q 1.866183293515283 8.9656e-08 au
i 5.133785672637748 4.2041e-06 deg
node 177.0284135774687 4.8307e-05 deg
peri 142.9018841577397 4.9555e-05 deg
M 111.4608573854388 1.2047e-05 deg
tp 2458797.407892554394
(2019-Nov-09.90789255)
4.2619e-05 TDB
period 1301.920351990543
3.56
6.3343e-06
1.734e-08
d
yr
n .2765146112429886 1.3453e-09 deg/d
Q 2.800632459011291 9.084e-09 au
  Orbit Determination Parameters
   # obs. used (total)      688  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1998-09-01  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:00  

Additional Information
 Earth MOID = .854699 au 
 Jupiter MOID = 2.52734 au 
 T_jup = 3.537 
[ 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 16.1   n/a MPO248021  

101055 (1998 RL)          Discovered 1998-Sep-01 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 RL = 2001 HM50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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