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487770 (2015 RB207)
Classification: Main-belt Asteroid          SPK-ID: 2487770
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538808619387038 1.2471e-07  
a 3.037972071646675 5.9304e-08 au
q 2.570486310715975 4.2029e-07 au
i 6.346990461220448 7.0704e-06 deg
node 153.4491160288765 4.7228e-05 deg
peri 189.9038980611346 6.7846e-05 deg
M 20.82454163619908 3.6868e-05 deg
tp 2459088.621394968394
(2020-Aug-27.12139497)
0.00020066 TDB
period 1934.078478892724
5.30
5.6633e-05
1.551e-07
d
yr
n .186135156318012 5.4503e-09 deg/d
Q 3.505457832577374 6.843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:36  

Additional Information
 Earth MOID = 1.561 au 
 Jupiter MOID = 1.90225 au 
 T_jup = 3.214 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458237.5 (2018-Apr-29.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565642169874738 1.2582e-07  
q 2.561374869891951 4.2503e-07 au
tp 2459089.580338084409
(2020-Aug-28.08033808)
0.00019523 TDB
node 153.6273671346518 4.7302e-05 deg
peri 190.251005600927 6.7241e-05 deg
i 6.343811385047729 7.0738e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 17:22:36  

Additional Information
 Jupiter MOID = 1.90225 au 
 T_jup = 3.214 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.58303961674068E-14 -5.334789701966529E-14 2.093900940474645E-11 1.445106517144391E-13 5.1721658596938E-12 -1.43168566803937E-14
q -5.334789701966529E-14 1.806511673181005E-13 -7.158009144572465E-11 -4.90276605875104E-13 -1.774843901449792E-11 4.978411353019408E-14
tp 2.093900940474645E-11 -7.158009144572465E-11 3.811332850370646E-8 2.228429184420433E-10 9.346299887353447E-9 -1.742378469969269E-11
node 1.445106517144391E-13 -4.90276605875104E-13 2.228429184420433E-10 2.237472469634238E-9 -2.167278156502967E-9 1.73128041025577E-10
peri 5.1721658596938E-12 -1.774843901449792E-11 9.346299887353447E-9 -2.167278156502967E-9 4.5213798868575E-9 -1.768189514938614E-10
i -1.43168566803937E-14 4.978411353019408E-14 -1.742378469969269E-11 1.73128041025577E-10 -1.768189514938614E-10 5.00391610806546E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.65   n/a E2021B25  

487770 (2015 RB207)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RB207 = 2004 PY64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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