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39466 (1978 RX6)
Classification: Main-belt Asteroid          SPK-ID: 2039466
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1517003999048221 4.7875e-08  
a 2.335036683894308 1.4318e-08 au
q 1.980810685155111 1.0753e-07 au
i 6.848408685472286 4.9382e-06 deg
node 156.8263797163754 4.0321e-05 deg
peri 172.1188167279729 4.4336e-05 deg
M 147.1463702499515 2.263e-05 deg
tp 2458067.795897553355
(2017-Nov-10.29589755)
7.9111e-05 TDB
period 1303.283774890502
3.57
1.1988e-05
3.282e-08
d
yr
n .2762253370569631 2.5407e-09 deg/d
Q 2.689262682633504 1.6491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      14738 days (40.35 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6046  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:51  

Additional Information
 Earth MOID = .969131 au 
 Jupiter MOID = 2.65027 au 
 T_jup = 3.543 
[ 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 15.9   n/a MPO417089  
diameter diameter 1.579 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.372   0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39466 (1978 RX6)          Discovered 1978-Sep-02 by Lagerkvist, C.-I. at La Silla
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1978 RX6 = 1999 LM11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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