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452144 (2015 RL19)
Classification: Main-belt Asteroid          SPK-ID: 2452144
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .255034604018618 1.4954e-07  
a 2.28517596455886 1.8592e-08 au
q 1.702377017324728 3.3701e-07 au
i 5.772890174604232 9.1912e-06 deg
node 52.0587522895986 6.5558e-05 deg
peri 325.3493293577314 6.9172e-05 deg
M 123.9036003137908 1.6003e-05 deg
tp 2458566.230505291279
(2019-Mar-23.73050529)
5.4729e-05 TDB
period 1261.763320026292
3.45
1.5399e-05
4.216e-08
d
yr
n .2853149986896897 3.482e-09 deg/d
Q 2.867974911792992 2.3334e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      15454 days (42.31 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:33:40  

Additional Information
 Earth MOID = .708473 au 
 Jupiter MOID = 2.59652 au 
 T_jup = 3.552 
[ 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 18.2   n/a MPO361089  

452144 (2015 RL19)          Discovered 1977-Oct-11 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RL19 = 2008 RC1 = 4294 T-3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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