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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03495742828687103 5.5762e-08  
a 5.169873785294506 7.8021e-08 au
q 4.989148293192899 2.9265e-07 au
i 3.350842841742198 4.9841e-06 deg
node 140.6659540618453 9.032e-05 deg
peri 236.5231353441096 0.00011606 deg
M 195.7526655023536 7.4538e-05 deg
tp 2460559.408574690593
(2024-Sep-05.90857469)
0.00090809 TDB
period 4293.567923312135
11.76
9.7195e-05
2.661e-07
d
yr
n .08384635026858722 1.8981e-09 deg/d
Q 5.350599277396113 8.0749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1320  
   data-arc span      11196 days (30.65 yr)  
   first obs. used      1988-09-14  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52426  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:55:39  

Additional Information
 Earth MOID = 3.99081 au 
 Jupiter MOID = .0302523 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 11.4   n/a MPO435808  
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. 2019-January); 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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