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2598 Merlin (1980 RY)
Classification: Main-belt Asteroid          SPK-ID: 2002598
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175838913481743 3.7749e-08  
a 2.779999667471597 1.1799e-08 au
q 2.175116521876496 1.0329e-07 au
i 7.777355446906534 4.281e-06 deg
node 197.7594855622909 2.5698e-05 deg
peri 217.0968116945367 2.6886e-05 deg
M 150.1294156345029 9.5458e-06 deg
tp 2458294.460764195770
(2018-Jun-24.96076420)
4.2805e-05 TDB
period 1693.033465928632
4.64
1.0778e-05
2.951e-08
d
yr
n .2126360802930374 1.3537e-09 deg/d
Q 3.384882813066698 1.4366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2582  
   data-arc span      26170 days (71.65 yr)  
   first obs. used      1948-11-25  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43753  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:07:51  

Additional Information
 Earth MOID = 1.19187 au 
 Jupiter MOID = 2.01804 au 
 T_jup = 3.285 
[ 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 13.2   n/a MPO384773  
diameter diameter 15.694 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

2598 Merlin (1980 RY)          Discovered 1980-Sep-07 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1980 RY = 1948 WH = 1971 TD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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