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(1984 QL1)
Classification: Outer Main-belt Asteroid          SPK-ID: 3638510
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5000199404275162 6.2885e-08  
a 3.295940082434275 4.1363e-08 au
q 1.647904318762826 2.1758e-07 au
i 4.822100629152504 1.8269e-05 deg
node 236.9713675038551 6.2827e-05 deg
peri 98.50400137177365 6.9176e-05 deg
M 52.95560762810288 2.8183e-05 deg
tp 2458879.003059996860
(2020-Jan-30.50306000)
0.00016674 TDB
period 2185.583427045964
5.98
4.1143e-05
1.126e-07
d
yr
n .1647157438810635 3.1007e-09 deg/d
Q 4.943975846105724 6.2046e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      13291 days (36.39 yr)  
   first obs. used      1984-08-29  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47554  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:44:30  

Additional Information
 Earth MOID = .645483 au 
 Jupiter MOID = .697853 au 
 T_jup = 2.952 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO477498  

Alternate Designations
 1984 QL1 = 2002 XP102 = 2013 JS30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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