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101107 (1998 RE45)
Classification: Main-belt Asteroid          SPK-ID: 2101107
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08434118090709304 6.4178e-08  
a 2.696380462935809 1.3103e-08 au
q 2.468964550516989 1.7702e-07 au
i 3.944864336415071 6.6585e-06 deg
node 342.4767601362414 4.9869e-05 deg
peri 353.3311651150207 5.5885e-05 deg
M 67.39515940627525 2.2748e-05 deg
tp 2459093.741469553737
(2020-Sep-01.24146955)
0.00010264 TDB
period 1617.224025001802
4.43
1.1789e-05
3.228e-08
d
yr
n .2226036680351683 1.6226e-09 deg/d
Q 2.92379637535463 1.4208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      8137 days (22.28 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:14  

Additional Information
 Earth MOID = 1.45848 au 
 Jupiter MOID = 2.37638 au 
 T_jup = 3.361 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457783.5 (2017-Jan-30.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08578670386871215 6.3924e-08  
q 2.465662727098324 1.7688e-07 au
tp 2457480.201960658944
(2016-Apr-01.70196066)
0.00010395 TDB
node 342.5963456069134 4.9916e-05 deg
peri 354.2134527017265 5.5724e-05 deg
i 3.943157591310541 6.655e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      628  
   data-arc span      8137 days (22.28 yr)  
   first obs. used      1998-08-27  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56549  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:14  

Additional Information
 Jupiter MOID = 2.37638 au 
 T_jup = 3.361 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.086228214487989E-15 -1.128314095965851E-14 1.105684292207501E-12 -2.762254607763591E-15 2.418477596719027E-13 -3.834146260617984E-15
q -1.128314095965851E-14 3.128824833786718E-14 -3.402191785937663E-12 7.138517474394399E-15 -7.454955665399709E-13 1.10188549984262E-14
tp 1.105684292207501E-12 -3.402191785937663E-12 1.080644250241493E-8 1.760489190768748E-12 2.581123751352073E-9 -3.531312031235327E-12
node -2.762254607763591E-15 7.138517474394399E-15 1.760489190768748E-12 2.491595997351665E-9 -2.484625203250124E-9 -1.306265022545646E-11
peri 2.418477596719027E-13 -7.454955665399709E-13 2.581123751352073E-9 -2.484625203250124E-9 3.105211454019903E-9 1.224286996558455E-11
i -3.834146260617984E-15 1.10188549984262E-14 -3.531312031235327E-12 -1.306265022545646E-11 1.224286996558455E-11 4.428842996370583E-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 15.73   n/a E2021B55  

101107 (1998 RE45)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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