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78560 (2002 RL154)
Classification: Main-belt Asteroid          SPK-ID: 2078560
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08941830591637012 3.8586e-08  
a 2.976731167717255 2.2343e-08 au
q 2.71055690953152 1.1401e-07 au
i 9.776006707313503 6.054e-06 deg
node 318.5124505607175 2.3268e-05 deg
peri 124.437738041088 5.1122e-05 deg
M 101.957464145381 4.1154e-05 deg
tp 2458669.218891328658
(2019-Jul-04.71889133)
0.00021557 TDB
period 1875.892076414965
5.14
2.112e-05
5.782e-08
d
yr
n .1919086948157483 2.1607e-09 deg/d
Q 3.242905425902991 2.4341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      8098 days (22.17 yr)  
   first obs. used      1998-11-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47771  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:37:24  

Additional Information
 Earth MOID = 1.74086 au 
 Jupiter MOID = 1.93566 au 
 T_jup = 3.233 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.64   n/a E2020-QM9  
diameter diameter 5.306 km 0.333 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.109   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78560 (2002 RL154)          Discovered 2002-Sep-10 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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