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78548 (2002 RM126)
Classification: Main-belt Asteroid          SPK-ID: 2078548
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849443160761995 8.458e-08  
a 2.567368215915607 1.8355e-08 au
q 2.092548057107323 2.0618e-07 au
i 6.012897335039696 5.4629e-06 deg
node 56.67598205384619 4.6577e-05 deg
peri 300.5095979416621 4.9048e-05 deg
M 96.99134166195969 2.1898e-05 deg
tp 2458595.680770936439
(2019-Apr-22.18077094)		 8.8671e-05 TDB
period 1502.556001037766
4.11		 1.6113e-05
4.411e-08		 d
yr
n .239591735516919 2.5693e-09 deg/d
Q 3.042188374723891 2.1749e-08 au
   Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      7845 days (21.48 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:27  

Additional Information
 Earth MOID = 1.09665 au 
 Jupiter MOID = 2.42312 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457197.5 (2015-Jun-24.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865451584088462 8.5162e-08  
q 2.087397937592752 2.08e-07 au
tp 2457090.420991826789
(2015-Mar-08.92099183)		 7.8869e-05 TDB
node 56.73436406122985 4.6673e-05 deg
peri 299.8510339362805 4.9069e-05 deg
i 6.010222249318027 5.4574e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      555  
   data-arc span      7845 days (21.48 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52356  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:27  

Additional Information
 Jupiter MOID = 2.42312 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.252564984661125E-15 -1.769339722389197E-14 3.950865618850278E-12 7.608869343550421E-14 4.932507675798556E-13 2.744368943149372E-15
q -1.769339722389197E-14 4.326239121826113E-14 -9.567457998165063E-12 -1.856070607572749E-13 -1.185629828415507E-12 -6.587252440484081E-15
tp 3.950865618850278E-12 -9.567457998165063E-12 6.220361634036823E-9 6.888932484118383E-11 1.188063620132859E-9 1.744418236334078E-12
node 7.608869343550421E-14 -1.856070607572749E-13 6.888932484118383E-11 2.178342092482942E-9 -2.15364445157762E-9 -4.913085164257948E-12
peri 4.932507675798556E-13 -1.185629828415507E-12 1.188063620132859E-9 -2.15364445157762E-9 2.407768667226492E-9 5.090665356482845E-12
i 2.744368943149372E-15 -6.587252440484081E-15 1.744418236334078E-12 -4.913085164257948E-12 5.090665356482845E-12 2.978315510083931E-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 15.1   n/a MPO453206  
diameter diameter 2.573 km 0.772 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.243   0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78548 (2002 RM126)          Discovered 2002-Sep-09 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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