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6443 (1988 RH12)
Classification: Jupiter Trojan          SPK-ID: 2006443
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261204398947266 1.0066e-07  
a 5.244725486130754 1.1785e-07 au
q 4.58325840069286 5.4174e-07 au
i 9.497725198825497 1.0296e-05 deg
node 168.1546660381224 5.3004e-05 deg
peri 200.0881971726672 6.5091e-05 deg
M 88.0648664660998 3.3373e-05 deg
tp 2456327.294846130983
(2013-Feb-03.79484613)
0.0004058 JED
period 4387.150868406431
12.01
0.00014787
4.048e-07
d
yr
n .08205781173209682 2.7657e-09 deg/d
Q 5.906192571568649 1.3271e-07 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      9958 days (27.26 yr)  
   first obs. used      1988-09-14  
   last obs. used      2015-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55559  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:00:10  

Additional Information
 Earth MOID = 3.58215 au 
 Jupiter MOID = .372994 au 
 T_jup = 2.957 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.0 mag n/a MPO250271  

6443 (1988 RH12)          Discovered 1988-Sep-14 by Bus, S. J. at Cerro Tololo
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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