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452158 (2015 RM54)
Classification: Main-belt Asteroid          SPK-ID: 2452158
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1815601856070918 6.1175e-08  
a 2.389909160301348 1.723e-08 au
q 1.955996809572947 1.4072e-07 au
i 1.906212716675651 6.6597e-06 deg
node 224.043036512478 0.00016181 deg
peri 192.2547961046675 0.00016694 deg
M 58.67527787789139 3.0846e-05 deg
tp 2458780.550402316263
(2019-Oct-24.05040232)
0.00011675 TDB
period 1349.492631818978
3.69
1.4594e-05
3.996e-08
d
yr
n .2667669252219309 2.8849e-09 deg/d
Q 2.823821511029749 2.0358e-08 au
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      6526 days (17.87 yr)  
   first obs. used      2002-03-12  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:33:41  

Additional Information
 Earth MOID = .967871 au 
 Jupiter MOID = 2.52008 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457609.5 (2016-Aug-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1802269949843384 6.15e-08  
q 1.95926478330566 1.4125e-07 au
tp 2457428.824679341309
(2016-Feb-10.32467934)
0.00012682 TDB
node 224.0875329473143 0.00016219 deg
peri 191.7949683854897 0.00016744 deg
i 1.902198896100662 6.6581e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      86  
   data-arc span      6526 days (17.87 yr)  
   first obs. used      2002-03-12  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:33:41  

Additional Information
 Jupiter MOID = 2.52008 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.782277234174617E-15 -8.652820475727228E-15 -3.605115974963194E-12 -1.40878423143465E-14 -1.186023038213887E-12 -4.183466720936102E-15
q -8.652820475727228E-15 1.995210796407627E-14 7.637517843795451E-12 2.190061459230534E-14 2.5215601873842E-12 9.940279879708877E-15
tp -3.605115974963194E-12 7.637517843795451E-12 1.608205095292507E-8 2.250427476846988E-10 5.300932754245338E-9 1.201109147720436E-12
node -1.40878423143465E-14 2.190061459230534E-14 2.250427476846988E-10 2.630495903334159E-8 -2.621212791667051E-8 -1.687421204950044E-10
peri -1.186023038213887E-12 2.5215601873842E-12 5.300932754245338E-9 -2.621212791667051E-8 2.80367624869756E-8 1.689884846902516E-10
i -4.183466720936102E-15 9.940279879708877E-15 1.201109147720436E-12 -1.687421204950044E-10 1.689884846902516E-10 4.433071925661023E-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 18.3   n/a MPO495254  

452158 (2015 RM54)          Discovered 2004-Sep-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RM54 = 2004 TK371 = 2004 TT 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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