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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03484743802567798 4.4221e-08  
a 5.180164849447273 7.1622e-08 au
q 4.999649375893363 2.5445e-07 au
i 3.351166631820294 3.8816e-06 deg
node 140.6225805997297 8.8005e-05 deg
peri 232.6632365282168 0.00011353 deg
M 266.4791325994757 7.4898e-05 deg
tp 2460515.215932481483
(2024-Jul-23.71593248)
0.00090708 TDB
period 4306.39435761987
11.79
8.9311e-05
2.445e-07
d
yr
n .08359661705459108 1.7337e-09 deg/d
Q 5.360680323001183 7.4118e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   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      .50463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 09:57:07  

Additional Information
 Earth MOID = 4.00004 au 
 Jupiter MOID = .0365276 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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