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11488 (1988 RM11)
Classification: Jupiter Trojan          SPK-ID: 2011488
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03460074436993412 4.4368e-08  
a 5.177581703694005 7.2405e-08 au
q 4.998433522710041 2.5386e-07 au
i 3.350960090659518 3.882e-06 deg
node 140.6272879963018 8.8035e-05 deg
peri 233.5932339452044 0.00011358 deg
M 249.1091822734864 7.4746e-05 deg
tp 2460526.006780019096
(2024-Aug-03.50678002)
0.00090713 TDB
period 4303.173613380091
11.78
9.0265e-05
2.471e-07
d
yr
n .08365918560214081 1.7549e-09 deg/d
Q 5.35672988467797 7.491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1680  
   data-arc span      11689 days (32.00 yr)  
   first obs. used      1988-09-14  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:48:19  

Additional Information
 Earth MOID = 3.99843 au 
 Jupiter MOID = .0362389 au 
 T_jup = 2.995 
[ 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 11.42   n/a E2021B10  
diameter diameter 22.193 km 0.560 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 15.92 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Stephens, R.D.; Coley, D.R.; French, L.M. (2015) Minor Planet Bull. 42, 216-224.]
geometric albedo albedo 0.119   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

11488 (1988 RM11)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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