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218144 (2002 RL66)
Classification: Mars-crossing Asteroid          SPK-ID: 2218144
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 .3418902187801842 5.415e-08  
a 2.304912672847058 7.4585e-09 au
q 1.516885574858158 1.2438e-07 au
i 22.72477911508128 6.2333e-06 deg
node 23.94565387955729 1.146e-05 deg
peri 74.97443226117935 1.5026e-05 deg
M 45.51931685914968 7.7324e-06 deg
tp 2459038.888085379800
(2020-Jul-08.38808538)
2.7002e-05 TDB
period 1278.14504429623
3.50
6.204e-06
1.699e-08
d
yr
n .28165817456048 1.3671e-09 deg/d
Q 3.092939770835958 1.0009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      761  
   data-arc span      6812 days (18.65 yr)  
   first obs. used      2002-09-06  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50599  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:43:02  

Additional Information
 Earth MOID = .677272 au 
 Jupiter MOID = 2.60137 au 
 T_jup = 3.411 
[ 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 15.04   n/a MPCxxxxx  
rotation period rot_per 587. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2010) Minor Planet Bull. 37, 57-64.]
[Warner, B.D.; Pravec, P.; Kusnirak, P.; Harris, A.W. (2010) Minor Planet Bull. 37, 109-111.]

218144 (2002 RL66)          Discovered 2002-Sep-06 by LINEAR at Socorro
Reference: 20090904/Numbers.arcLast Updated: 2009-09-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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