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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08433987428582376 3.7412e-08  
a 3.015604345659014 1.974e-08 au
q 2.761268654250349 1.1417e-07 au
i 2.55552418321159 4.1361e-06 deg
node 277.8065339832477 0.00010529 deg
peri 130.7378792450303 0.00011204 deg
M 81.67962878730181 3.4925e-05 deg
tp 2458962.518494412927
(2020-Apr-23.01849441)
0.00018656 TDB
period 1912.757738140393
5.24
1.8781e-05
5.142e-08
d
yr
n .1882099299987653 1.848e-09 deg/d
Q 3.269940037067679 2.1405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      10069 days (27.57 yr)  
   first obs. used      1993-10-13  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:04:25  

Additional Information
 Earth MOID = 1.77169 au 
 Jupiter MOID = 2.0424 au 
 T_jup = 3.241 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457519.5 (2016-May-11.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08120814889281171 3.7715e-08  
q 2.771820054705084 1.1414e-07 au
tp 2457038.178063168402
(2015-Jan-15.67806317)
0.00020271 TDB
node 278.2665708404332 0.00010556 deg
peri 128.3896041709446 0.00011296 deg
i 2.550374508841587 4.1343e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      776  
   data-arc span      10069 days (27.57 yr)  
   first obs. used      1993-10-13  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55556  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:04:25  

Additional Information
 Jupiter MOID = 2.0424 au 
 T_jup = 3.241 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.422398899255937E-15 -4.25098037571677E-15 -2.542688793539758E-12 6.654733726495755E-16 -5.285233085173044E-13 -5.49184404265237E-16
q -4.25098037571677E-15 1.302704340306301E-14 6.526078729949126E-12 1.161261944565249E-16 1.381819789307906E-12 1.839948142092925E-15
tp -2.542688793539758E-12 6.526078729949126E-12 4.109305383555168E-8 1.764233877190664E-11 8.181159914032415E-9 5.110381175100186E-12
node 6.654733726495755E-16 1.161261944565249E-16 1.764233877190664E-11 1.114192978753723E-8 -1.112732807346564E-8 5.002264970161238E-11
peri -5.285233085173044E-13 1.381819789307906E-12 8.181159914032415E-9 -1.112732807346564E-8 1.275949562412771E-8 -4.899487257286533E-11
i -5.49184404265237E-16 1.839948142092925E-15 5.110381175100186E-12 5.002264970161238E-11 -4.899487257286533E-11 1.709280712532056E-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 15.11   n/a MPCxxxxx  

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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