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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 ]

[ hide orbit diagram ]

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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05998894996346704 8.845e-08  
a 2.66297310886561 4.1449e-08 au
q 2.503224148283813 2.4417e-07 au
i 11.06725185452663 1.0422e-05 deg
node .1125931720792713 3.0112e-05 deg
peri 214.8627921305384 9.7931e-05 deg
M 218.0062379914471 0.0001024 deg
tp 2459826.559143949913
(2022-Sep-04.05914395)
0.00045781 TDB
period 1587.261923579382
4.35
3.7058e-05
1.015e-07
d
yr
n .2268056674529027 5.2953e-09 deg/d
Q 2.822722069447408 4.3935e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:56:56  

Additional Information
 Earth MOID = 1.50576 au 
 Jupiter MOID = 2.15771 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457867.5 (2017-Apr-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05998191792348995 8.8123e-08  
q 2.502684276993602 2.4286e-07 au
tp 2458245.178042746373
(2018-May-06.67804275)
0.00044403 TDB
node .1808737168011576 3.0075e-05 deg
peri 216.1693577101977 9.8328e-05 deg
i 11.0750396496093 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5345  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 17:56:56  

Additional Information
 Jupiter MOID = 2.15771 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.765575205239087E-15 -2.112957092241105E-14 -9.456383545127633E-12 3.365146871735016E-15 -2.2229747733835E-12 2.937703557216566E-14
q -2.112957092241105E-14 5.897897361942205E-14 3.158189748467374E-11 -1.275789667352892E-14 7.20025787181203E-12 -7.144041374199817E-14
tp -9.456383545127633E-12 3.158189748467374E-11 1.97165087532055E-7 -9.101245062269129E-11 4.156502745457704E-8 1.640543413443822E-11
node 3.365146871735016E-15 -1.275789667352892E-14 -9.101245062269129E-11 9.045071466935662E-10 -9.056812504246258E-10 4.57044817336168E-11
peri -2.2229747733835E-12 7.20025787181203E-12 4.156502745457704E-8 -9.056812504246258E-10 9.668407412336415E-9 -4.28705084761832E-11
i 2.937703557216566E-14 -7.144041374199817E-14 1.640543413443822E-11 4.57044817336168E-11 -4.28705084761832E-11 1.087497815597264E-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 16.7   n/a MPO350650  
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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