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12126 (1999 RM11)
Classification: Jupiter Trojan          SPK-ID: 2012126
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094742473323739 3.9335e-08  
a 5.22072242812927 7.591e-08 au
q 4.127115526965648 2.3891e-07 au
i 2.045397997138351 5.3386e-06 deg
node 351.0034207281064 0.0001085 deg
peri 304.1859817142449 0.00010947 deg
M 285.6320933572691 1.7156e-05 deg
tp 2459900.572283235326
(2022-Nov-17.07228324)
0.00021618 TDB
period 4357.067942242385
11.93
9.5029e-05
2.602e-07
d
yr
n .08262437142871917 1.8021e-09 deg/d
Q 6.314329329292892 9.1812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2347  
   data-arc span      42328 days (115.89 yr)  
   first obs. used      1904-09-13  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45711  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:31:08  

Additional Information
 Earth MOID = 3.11171 au 
 Jupiter MOID = .154724 au 
 T_jup = 2.954 
[ 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 10.1   n/a MPO449030  
diameter diameter 53.202 km 0.470 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.045   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

12126 (1999 RM11)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RM11 = 1975 RX1 = 1978 VH6 = 1985 JP1 = 1987 SK15 = 1988 RU8 = 1996 HJ22 = A904 RD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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