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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03450999601272277 5.2911e-08  
a 5.175176370851829 7.5122e-08 au
q 4.996581054928595 2.8508e-07 au
i 3.350728629074604 4.6213e-06 deg
node 140.6370679882922 8.9929e-05 deg
peri 234.5737039785288 0.00011523 deg
M 231.3356161290293 7.4719e-05 deg
tp 2460537.387235365605
(2024-Aug-14.88723537)
0.00090884 TDB
period 4300.175293937337
11.77
9.3631e-05
2.563e-07
d
yr
n .08371751740156989 1.8228e-09 deg/d
Q 5.353771686775063 7.7715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1392  
   data-arc span      11457 days (31.37 yr)  
   first obs. used      1988-09-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 20:03:35  

Additional Information
 Earth MOID = 3.9984 au 
 Jupiter MOID = .0352743 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-August); 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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