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JPL Small-Body Database Browser
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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2175838893260573 3.7953e-08  
a 2.779999669280885 1.214e-08 au
q 2.175116528913597 1.0413e-07 au
i 7.777355574113648 4.2908e-06 deg
node 197.7594921428967 2.9575e-05 deg
peri 217.0968024136781 3.0842e-05 deg
M 150.1294171694579 9.8048e-06 deg
tp 2458294.460756287816
4.437e-05 TDB
period 1693.03346758143
n .2126360800854547 1.3929e-09 deg/d
Q 3.384882809648173 1.4782e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2352  
   data-arc span      25997 days (71.18 yr)  
   first obs. used      1948-11-25  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44594  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:26:07  

Additional Information
 Earth MOID = 1.19187 au 
 Jupiter MOID = 2.01804 au 
 T_jup = 3.285 
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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] (  
geometric albedo albedo 0.049   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2054-Jul-02 12:38 < 00:01 Inter 0.0247538331723313 0.0247511642411005 0.0247565029136707 5.72280198008838 5.7228018767486 2471451.026156096 0.563105808880699 264.565628254385 28.9163814156011 -60.406479979475 111519.114686762 T 29 CATAB v2.0f-lin.ifort 2020-Feb-22 16:26:19 2020-Feb-22 16:26

Alternate Designations
 1980 RY = 1948 WH = 1971 TD3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
FirstGov 2020-Apr-05 17:35 UT
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