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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1850699447042748 8.458e-08  
a 2.567307637051229 1.84e-08 au
q 2.092176154623296 2.0615e-07 au
i 6.012697501333834 5.4579e-06 deg
node 56.66778143346446 4.6582e-05 deg
peri 300.529292908388 4.9046e-05 deg
M 144.8836263270615 2.2214e-05 deg
tp 2458595.810952200985
(2019-Apr-22.31095220)
8.8589e-05 TDB
period 1502.502820548091
4.11
1.6152e-05
4.422e-08
d
yr
n .2396002157710941 2.5758e-09 deg/d
Q 3.042439119479162 2.1805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      8145 days (22.30 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:34  

Additional Information
 Earth MOID = 1.09465 au 
 Jupiter MOID = 2.42373 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457200.5 (2015-Jun-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1865443346285072 8.5156e-08  
q 2.087397144635194 2.0798e-07 au
tp 2457090.420149683575
(2015-Mar-08.92014968)
7.886e-05 TDB
node 56.73434950923376 4.6673e-05 deg
peri 299.8507568817546 4.9067e-05 deg
i 6.010225927355112 5.4526e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      8145 days (22.30 yr)  
   first obs. used      1998-08-26  
   last obs. used      2020-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:15:34  

Additional Information
 Jupiter MOID = 2.42373 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.251594489542873E-15 -1.769113390032524E-14 3.952142089849175E-12 7.609580020553359E-14 4.936870569162862E-13 2.743883358991274E-15
q -1.769113390032524E-14 4.325710188970787E-14 -9.570363668886086E-12 -1.856222371457777E-13 -1.186628431946645E-12 -6.58628772774013E-15
tp 3.952142089849175E-12 -9.570363668886086E-12 6.218901967891425E-9 6.888094749595035E-11 1.187551010190531E-9 1.744558924864332E-12
node 7.609580020553359E-14 -1.856222371457777E-13 6.888094749595035E-11 2.178324456281541E-9 -2.153629663223653E-9 -4.940094596364192E-12
peri 4.936870569162862E-13 -1.186628431946645E-12 1.187551010190531E-9 -2.153629663223653E-9 2.407571832944912E-9 5.11788983106108E-12
i 2.743883358991274E-15 -6.58628772774013E-15 1.744558924864332E-12 -4.940094596364192E-12 5.11788983106108E-12 2.973073210958656E-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 15.18   n/a E2020-QM9  
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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1961-Nov-05 12:31 00:01 Juno 0.0495724318072334 0.0495535763698979 0.0495912882870334 7.47041052907781 7.47041049622585 2437609.021737499 1.19650138179551 1006.12570122321 46.6011934741807 20.9135306650053 57202.2977744379 T 19 CATAB v2.0f-lin.ifort 2021-Feb-24 07:15:35 2021-Feb-24 07:15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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