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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095207928994566 2.7227e-08  
a 5.218795684824456 6.9996e-08 au
q 4.125349474959774 1.7544e-07 au
i 2.045578752879667 6.6157e-07 deg
node 351.0069413789097 7.2952e-05 deg
peri 304.2884904170247 7.2163e-05 deg
M 302.0675052059974 1.1651e-05 deg
tp 2459901.266930834597
(2022-Nov-17.76693083)
0.00014934 TDB
period 4354.656156229812
11.92
8.7609e-05
2.399e-07
d
yr
n .0826701321721993 1.6632e-09 deg/d
Q 6.312241894689139 8.4662e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2483  
   data-arc span      42552 days (116.50 yr)  
   first obs. used      1904-09-13  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45005  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 23:09:34  

Additional Information
 Earth MOID = 3.10798 au 
 Jupiter MOID = .154581 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 10.14   n/a E2021B10  
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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