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15504 (1999 RG33)
Classification: Centaur          SPK-ID: 2015504
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7741872728134903 9.5584e-06  
a 9.371197509020618 0.00035632 au
q 2.116135666515372 9.6549e-06 au
i 34.95323238072431 0.00027578 deg
node 23.4345249519212 0.000145 deg
peri 273.8914860789493 0.00045428 deg
M 287.2665491073889 0.016548 deg
tp 2461513.509254067071
(2027-Apr-18.00925407)
0.60241 TDB
period 10478.30567793901
28.69
0.59763
0.001636
d
yr
n .03435669955286213 1.9595e-06 deg/d
Q 16.62625935152586 0.00063218 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      1685 days (4.61 yr)  
   first obs. used      1996-05-12  
   last obs. used      2000-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .36779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:00:11  

Additional Information
 Earth MOID = 1.40493 au 
 Jupiter MOID = .800588 au 
 T_jup = 1.948 
[ hide covariance matrix ]
Orbital Elements at Epoch 2451435.5 (1999-Sep-14.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7753265981384168 9.5413e-06  
q 2.162581436303501 7.927e-06 au
tp 2451022.003466153609
(1998-Jul-27.50346615)
0.0047843 TDB
node 23.82504789154194 0.00013718 deg
peri 274.3762581888511 0.00044073 deg
i 35.13094455115639 0.00027376 deg
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      1685 days (4.61 yr)  
   first obs. used      1996-05-12  
   last obs. used      2000-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .36779  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:00:11  

Additional Information
 Jupiter MOID = .800588 au 
 T_jup = 1.948 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.103590853158354E-11 -6.945494474284404E-11 3.325451035884268E-8 -4.823486106833649E-12 2.555498254505096E-9 8.427458118521472E-11
q -6.945494474284404E-11 6.283788101506589E-11 -2.668129588163379E-8 3.300403255374708E-11 -1.810014993312523E-9 -2.728369529959348E-11
tp 3.325451035884268E-8 -2.668129588163379E-8 2.288937741989552E-5 -2.167455604316E-7 1.994569190780744E-6 -2.337626561030947E-7
node -4.823486106833649E-12 3.300403255374708E-11 -2.167455604316E-7 1.881967636113101E-8 -3.313953116477139E-8 3.487464193199551E-8
peri 2.555498254505096E-9 -1.810014993312523E-9 1.994569190780744E-6 -3.313953116477139E-8 1.942409927319125E-7 -4.781469834255782E-8
i 8.427458118521472E-11 -2.728369529959348E-11 -2.337626561030947E-7 3.487464193199551E-8 -4.781469834255782E-8 7.494466440995766E-8

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 12.1   n/a PDS3 (MPO 909)  

15504 (1999 RG33)          Discovered 1999-Sep-04 by CSS at Catalina
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

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