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541099 (2018 RY9)
Classification: Main-belt Asteroid          SPK-ID: 2541099
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741934262164192 6.833e-08  
a 2.452151722897156 2.2138e-08 au
q 2.025003012683205 1.6908e-07 au
i 9.651813888032331 8.2667e-06 deg
node 34.26284763558188 3.621e-05 deg
peri 284.5276690715816 4.2232e-05 deg
M 238.7093689445122 2.1472e-05 deg
tp 2459673.046105902915
(2022-Apr-03.54610590)
8.5875e-05 TDB
period 1402.553491928199
3.84
1.8994e-05
5.2e-08
d
yr
n .2566747022996463 3.4759e-09 deg/d
Q 2.879300433111107 2.5995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      187  
   data-arc span      6372 days (17.45 yr)  
   first obs. used      2003-11-20  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50668  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 13:25:03  

Additional Information
 Earth MOID = 1.03669 au 
 Jupiter MOID = 2.49208 au 
 T_jup = 3.455 
[ 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 17.1   .40491 E2018T36 autocmod 2.6n
diameter diameter 2.083 km 0.428 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

541099 (2018 RY9)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 RY9 = 2003 WZ109 = 2010 GW10 = 2014 SO3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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