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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456988.5 (2014-Nov-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2173040645666495 3.7765e-08  
q 2.177443176784432 1.0351e-07 au
tp 2456602.656427381526
(2013-Nov-06.15642738)
3.9656e-05 TDB
node 197.7794952699689 2.5714e-05 deg
peri 217.5350158709172 2.6905e-05 deg
i 7.772864925585468 4.279e-06 deg
  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
 Jupiter MOID = 2.01804 au 
 T_jup = 3.285 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.426166502265363E-15 -3.894130365255717E-15 3.517565068713416E-14 -1.001691333566095E-15 -2.076171977256431E-14 -3.020253459011396E-16
q -3.894130365255717E-15 1.071424989059203E-14 -3.961998944565834E-14 1.464558963937152E-15 7.095129718676233E-14 1.041494732687089E-15
tp 3.517565068713416E-14 -3.961998944565834E-14 1.572592837252387E-9 -4.552223998552342E-13 3.253383818971842E-10 -1.731239024352846E-12
node -1.001691333566095E-15 1.464558963937152E-15 -4.552223998552342E-13 6.611920112730675E-10 -6.549455696289087E-10 1.690670305792388E-11
peri -2.076171977256431E-14 7.095129718676233E-14 3.253383818971842E-10 -6.549455696289087E-10 7.238944594247286E-10 -1.702166845003696E-11
i -3.020253459011396E-16 1.041494732687089E-15 -1.731239024352846E-12 1.690670305792388E-11 -1.702166845003696E-11 1.830963929542513E-11

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

[ show close-approach data ]
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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