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487710 (2015 RB45)
Classification: Main-belt Asteroid          SPK-ID: 2487710
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12344227740054 4.9059e-08  
a 2.364838764751683 2.6502e-08 au
q 2.072917681945655 1.2453e-07 au
i 6.60785020819022 8.2035e-06 deg
node 182.6732374464348 5.0107e-05 deg
peri 284.2201000950571 7.4487e-05 deg
M 10.81952184790866 4.6667e-05 deg
tp 2458960.578550832103
(2020-Apr-21.07855083)
0.00017246 TDB
period 1328.313940529712
3.64
2.2329e-05
6.113e-08
d
yr
n .2710202678866994 4.5559e-09 deg/d
Q 2.656759847557711 2.9774e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5614 days (15.37 yr)  
   first obs. used      2004-09-07  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:28:37  

Additional Information
 Earth MOID = 1.10119 au 
 Jupiter MOID = 2.46857 au 
 T_jup = 3.529 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457973.5 (2017-Aug-08.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226792083872089 4.9234e-08  
q 2.075392121366618 1.2527e-07 au
tp 2457633.216623984952
(2016-Sep-01.71662399)
0.00018444 TDB
node 182.6992285719334 5.0071e-05 deg
peri 284.4855803328762 7.4736e-05 deg
i 6.609315662297838 8.2062e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      5614 days (15.37 yr)  
   first obs. used      2004-09-07  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5563  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:28:37  

Additional Information
 Jupiter MOID = 2.46857 au 
 T_jup = 3.529 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.423960587084274E-15 -6.066788052241388E-15 1.408352319435548E-12 -1.304903647426664E-15 4.760891495939266E-13 -4.595525427064199E-15
q -6.066788052241388E-15 1.569159180324715E-14 -5.591797361223073E-12 1.694102402023286E-14 -1.784152160836774E-12 1.188975455334188E-14
tp 1.408352319435548E-12 -5.591797361223073E-12 3.401746184989973E-8 -1.733109194089068E-10 1.025230272256474E-8 1.912743149790172E-11
node -1.304903647426664E-15 1.694102402023286E-14 -1.733109194089068E-10 2.507112219844399E-9 -2.541068373020749E-9 1.45839646280465E-10
peri 4.760891495939266E-13 -1.784152160836774E-12 1.025230272256474E-8 -2.541068373020749E-9 5.58548931320014E-9 -1.391676537950102E-10
i -4.595525427064199E-15 1.188975455334188E-14 1.912743149790172E-11 1.45839646280465E-10 -1.391676537950102E-10 6.734096137301718E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO503657  

487710 (2015 RB45)          Discovered 2008-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RB45 = 2008 SH203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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