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452162 (2015 RY57)
Classification: Main-belt Asteroid          SPK-ID: 2452162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05983911622985721 8.8493e-08  
a 2.663435801906477 4.1512e-08 au
q 2.504058157385432 2.4434e-07 au
i 11.06721892987538 1.0422e-05 deg
node .1071741144345484 3.0109e-05 deg
peri 214.7542160671195 9.8108e-05 deg
M 262.5611999938851 0.00010303 deg
tp 2459826.225576398939
(2022-Sep-03.72557640)
0.00045877 TDB
period 1587.675622995248
4.35
3.7118e-05
1.016e-07
d
yr
n .2267465688745902 5.301e-09 deg/d
Q 2.822813446427522 4.3996e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      4308 days (11.79 yr)  
   first obs. used      2009-03-03  
   last obs. used      2020-12-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:18:17  

Additional Information
 Earth MOID = 1.50812 au 
 Jupiter MOID = 2.15652 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457867.5 (2017-Apr-24.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05998191910119221 8.8122e-08  
q 2.502684273394252 2.4286e-07 au
tp 2458245.178046453262
(2018-May-06.67804645)
0.00044403 TDB
node .1808736850654035 3.0075e-05 deg
peri 216.1693584371141 9.8328e-05 deg
i 11.07503966001585 1.0428e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      4308 days (11.79 yr)  
   first obs. used      2009-03-03  
   last obs. used      2020-12-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:18:17  

Additional Information
 Jupiter MOID = 2.15652 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.765573369366284E-15 -2.112956562673313E-14 -9.456402954985091E-12 3.36517206515397E-15 -2.222978681326616E-12 2.937702127728012E-14
q -2.112956562673313E-14 5.89789571658692E-14 3.158194495587605E-11 -1.275796870312987E-14 7.200267436618243E-12 -7.144037444480881E-14
tp -9.456402954985091E-12 3.158194495587605E-11 1.971650850246628E-7 -9.101236527597324E-11 4.156502888819417E-8 1.640543583411482E-11
node 3.36517206515397E-15 -1.275796870312987E-14 -9.101236527597324E-11 9.045071475871452E-10 -9.056812351507682E-10 4.570447137625137E-11
peri -2.222978681326616E-12 7.200267436618243E-12 4.156502888819417E-8 -9.056812351507682E-10 9.668408106665577E-9 -4.287049692947582E-11
i 2.937702127728012E-14 -7.144037444480881E-14 1.640543583411482E-11 4.570447137625137E-11 -4.287049692947582E-11 1.087497800141793E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.88   n/a MPCxxxxx  
diameter diameter 3.013 km 0.688 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.026   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

452162 (2015 RY57)          Discovered 2009-Mar-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RY57 = 2010 HL28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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