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452203 (2015 RJ194)
Classification: Outer Main-belt Asteroid          SPK-ID: 2452203
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3577036917264087 7.572e-08  
a 3.211052153544982 8.1091e-08 au
q 2.062446943895907 2.1298e-07 au
i 6.463764314922027 1.2371e-05 deg
node 20.66780063097899 4.9079e-05 deg
peri 260.6852078031029 8.1639e-05 deg
M 342.8728587352224 3.5488e-05 deg
tp 2459100.488912512933
(2020-Sep-07.98891251)
0.000204 TDB
period 2101.693910745202
5.75
7.9613e-05
2.18e-07
d
yr
n .1712904044492159 6.4885e-09 deg/d
Q 4.359657363194057 1.101e-07 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      4461 days (12.21 yr)  
   first obs. used      2008-03-28  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:43:06  

Additional Information
 Earth MOID = 1.0583 au 
 Jupiter MOID = .970324 au 
 T_jup = 3.078 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3563089413927746 7.5917e-08  
q 2.068562433697302 2.129e-07 au
tp 2456997.748675146429
(2014-Dec-06.24867515)
0.00027818 TDB
node 20.69652885066636 4.9038e-05 deg
peri 260.6340029606422 8.1853e-05 deg
i 6.463103655604447 1.237e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      4461 days (12.21 yr)  
   first obs. used      2008-03-28  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:43:06  

Additional Information
 Jupiter MOID = .970324 au 
 T_jup = 3.078 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.763352767810982E-15 -1.587255448769418E-14 -1.730038399900911E-11 1.487862693524538E-13 -4.151528088156859E-12 -8.432007168001319E-14
q -1.587255448769418E-14 4.532556729995105E-14 4.204920375504438E-11 -3.722510676831793E-13 1.022883204761409E-11 2.240261441874208E-13
tp -1.730038399900911E-11 4.204920375504438E-11 7.738596685527644E-8 -6.197286115980597E-10 1.823197872134747E-8 3.132409876717866E-10
node 1.487862693524538E-13 -3.722510676831793E-13 -6.197286115980597E-10 2.404702238779973E-9 -2.530203938478891E-9 1.986922430207812E-10
peri -4.151528088156859E-12 1.022883204761409E-11 1.823197872134747E-8 -2.530203938478891E-9 6.699908631800487E-9 -1.248992379570387E-10
i -8.432007168001319E-14 2.240261441874208E-13 3.132409876717866E-10 1.986922430207812E-10 -1.248992379570387E-10 1.530150265891334E-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 16.9   n/a MPO361090  

452203 (2015 RJ194)          Discovered 2008-Mar-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RJ194 = 2008 FJ86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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