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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06020331491830447 1.7854e-07  
a 2.662394908750561 6.2226e-08 au
q 2.502109909622161 4.4265e-07 au
i 11.06800514066932 1.8099e-05 deg
node .1168545792752676 3.0355e-05 deg
peri 214.9312897746581 0.00011138 deg
M 172.5621926833072 0.00010884 deg
tp 2458239.910566233971
(2018-May-01.41056623)
0.00048073 TDB
period 1586.744998415042
4.34
5.5628e-05
1.523e-07
d
yr
n .2268795555426956 7.954e-09 deg/d
Q 2.822679907878962 6.5972e-08 au
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4169 days (11.41 yr)  
   first obs. used      2009-03-03  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:21:46  

Additional Information
 Earth MOID = 1.50554 au 
 Jupiter MOID = 2.15896 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457579.5 (2016-Jul-10.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05980976374071483 1.7759e-07  
q 2.503530924398547 4.3924e-07 au
tp 2458244.921936963942
(2018-May-06.42193696)
0.00049171 TDB
node .182472863939669 3.0318e-05 deg
peri 216.0711992007797 0.00011415 deg
i 11.07507166228029 1.8108e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      97  
   data-arc span      4169 days (11.41 yr)  
   first obs. used      2009-03-03  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51884  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-26 01:21:46  

Additional Information
 Jupiter MOID = 2.15896 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.153854011862162E-14 -7.756018785096586E-14 -4.167046098983166E-11 3.781487483489496E-16 -1.112043210015976E-11 8.164981004748967E-14
q -7.756018785096586E-14 1.929294109717855E-13 1.081149044372868E-10 -6.082555889654648E-15 2.833411977084157E-11 -1.942802696563123E-13
tp -4.167046098983166E-11 1.081149044372868E-10 2.41778876717279E-7 -3.647687204498304E-11 5.376570037466414E-8 -2.504676064593607E-10
node 3.781487483489496E-16 -6.082555889654648E-15 -3.647687204498304E-11 9.191982442502409E-10 -9.081744726921134E-10 -1.096069861405143E-11
peri -1.112043210015976E-11 2.833411977084157E-11 5.376570037466414E-8 -9.081744726921134E-10 1.303038752332629E-8 -4.875773603268374E-11
i 8.164981004748967E-14 -1.942802696563123E-13 -2.504676064593607E-10 -1.096069861405143E-11 -4.875773603268374E-11 3.278998967449835E-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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