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120882 (1998 RM48)
Classification: Main-belt Asteroid          SPK-ID: 2120882
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08397158064095121 4.315e-08  
a 3.014606811892085 2.1887e-08 au
q 2.761465512886528 1.358e-07 au
i 2.556043799511665 4.1447e-06 deg
node 277.808269987087 0.0001277 deg
peri 130.6968351610689 0.00013343 deg
M 7.195953295587521 3.6263e-05 deg
tp 2458962.285315686258
(2020-Apr-22.78531569)
0.00019262 TDB
period 1911.808733025396
5.23
2.0821e-05
5.7e-08
d
yr
n .188303355760023 2.0507e-09 deg/d
Q 3.267748110897642 2.3725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      9876 days (27.04 yr)  
   first obs. used      1993-10-13  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:03  

Additional Information
 Earth MOID = 1.77241 au 
 Jupiter MOID = 2.04348 au 
 T_jup = 3.241 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08107093675539108 4.355e-08  
q 2.770356648041945 1.3625e-07 au
tp 2457036.096307359728
(2015-Jan-13.59630736)
0.00020562 TDB
node 278.2885699748216 0.00012796 deg
peri 127.9010712122718 0.00013419 deg
i 2.552002909973871 4.1453e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      9876 days (27.04 yr)  
   first obs. used      1993-10-13  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56748  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:54:03  

Additional Information
 Jupiter MOID = 2.04348 au 
 T_jup = 3.241 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.896585055809513E-15 -5.871906301895749E-15 -3.344789071046131E-12 -4.236536032403602E-15 -6.679222005337601E-13 -9.807936808685534E-16
q -5.871906301895749E-15 1.856364098630848E-14 9.251442004587225E-12 1.072926200033136E-14 1.859885576704163E-12 3.448073468777759E-15
tp -3.344789071046131E-12 9.251442004587225E-12 4.228035737980989E-8 5.385151307761644E-11 8.362169541430311E-9 6.094201386164023E-12
node -4.236536032403602E-15 1.072926200033136E-14 5.385151307761644E-11 1.637350429396851E-8 -1.634662503968101E-8 6.372714044774608E-11
peri -6.679222005337601E-13 1.859885576704163E-12 8.362169541430311E-9 -1.634662503968101E-8 1.800657128234748E-8 -6.250121348846734E-11
i -9.807936808685534E-16 3.448073468777759E-15 6.094201386164023E-12 6.372714044774608E-11 -6.250121348846734E-11 1.718358114984509E-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 15.0   n/a MPO502803  

120882 (1998 RM48)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1998 RM48 = 2001 FS113 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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