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357461 (2004 ER48)
Classification: Main-belt Asteroid          SPK-ID: 2357461
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04305817140959148 6.9874e-08  
a 2.740564554013472 4.3691e-08 au
q 2.622560855687709 1.7609e-07 au
i 7.00610005646538 7.5901e-06 deg
node 146.1194031517675 5.3337e-05 deg
peri 335.3647229340041 0.00014871 deg
M 253.2890685213175 0.00014871 deg
tp 2459491.707389469444
(2021-Oct-04.20738947)
0.00069356 TDB
period 1657.137256311231
4.54
3.9628e-05
1.085e-07
d
yr
n .2172421135478879 5.195e-09 deg/d
Q 2.858568252339234 4.5572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      2000-04-13  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:50  

Additional Information
 Earth MOID = 1.63953 au 
 Jupiter MOID = 2.15827 au 
 T_jup = 3.338 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457431.5 (2016-Feb-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04104066770771404 6.8473e-08  
q 2.629377236459731 1.7227e-07 au
tp 2457826.883755885894
(2017-Mar-14.38375589)
0.00070394 TDB
node 146.2508808639111 5.335e-05 deg
peri 333.8129103926711 0.00015686 deg
i 7.004054781877266 7.5906e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7070 days (19.36 yr)  
   first obs. used      2000-04-13  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62561  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:50  

Additional Information
 Jupiter MOID = 2.15827 au 
 T_jup = 3.338 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.688528134902816E-15 -1.150828519217808E-14 2.513834345376149E-11 3.374621969709247E-14 5.236802092626294E-12 3.168691883072815E-15
q -1.150828519217808E-14 2.967865790241648E-14 -4.635428912581057E-11 -7.728232523558603E-14 -9.673662373971174E-12 -5.400943418532506E-15
tp 2.513834345376149E-11 -4.635428912581057E-11 4.95533783035352E-7 3.154614979132547E-10 1.038813507383147E-7 3.283721471849322E-11
node 3.374621969709247E-14 -7.728232523558603E-14 3.154614979132547E-10 2.84621982792029E-9 -2.757906153062718E-9 8.052327766424332E-11
peri 5.236802092626294E-12 -9.673662373971174E-12 1.038813507383147E-7 -2.757906153062718E-9 2.460614176049839E-8 -7.313910340218294E-11
i 3.168691883072815E-15 -5.400943418532506E-15 3.283721471849322E-11 8.052327766424332E-11 -7.313910340218294E-11 5.761688299709759E-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 16.6   n/a MPO440601  

357461 (2004 ER48)          Discovered 2004-Mar-15 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2004 ER48 = 2013 CX137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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