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100245 (1994 RT2)
Classification: Main-belt Asteroid          SPK-ID: 2100245
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881624462097642 4.8893e-08  
a 2.440053746369413 8.6838e-09 au
q 1.980927264569245 1.1972e-07 au
i 4.783126882929268 5.5975e-06 deg
node 167.8724657624995 4.3051e-05 deg
peri 159.839303526069 4.5174e-05 deg
M 274.4739685276958 1.2289e-05 deg
tp 2459331.245036557357
(2021-Apr-26.74503656)
4.7941e-05 TDB
period 1392.186812727374
3.81
7.4319e-06
2.035e-08
d
yr
n .2585859862404092 1.3804e-09 deg/d
Q 2.899180228169581 1.0318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:13  

Additional Information
 Earth MOID = .970495 au 
 Jupiter MOID = 2.45446 au 
 T_jup = 3.473 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457251.5 (2015-Aug-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871700042221696 4.865e-08  
q 1.985322685516103 1.1882e-07 au
tp 2457937.799670986640
(2017-Jul-03.29967099)
4.7162e-05 TDB
node 167.885453449074 4.3074e-05 deg
peri 159.5144001951128 4.522e-05 deg
i 4.779188154823312 5.5934e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      463  
   data-arc span      9420 days (25.79 yr)  
   first obs. used      1994-08-10  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:07:13  

Additional Information
 Jupiter MOID = 2.45446 au 
 T_jup = 3.473 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.366805131471704E-15 -5.770401431639679E-15 1.366286768204739E-12 -1.629260410489741E-14 4.501392494917058E-13 -6.087581262459272E-16
q -5.770401431639679E-15 1.411927745273901E-14 -3.286333946895485E-12 3.746120205398134E-14 -1.091031496468417E-12 1.410811157142565E-15
tp 1.366286768204739E-12 -3.286333946895485E-12 2.224212221934967E-9 -1.198695327752569E-11 6.547464534591586E-10 1.165575845616424E-12
node -1.629260410489741E-14 3.746120205398134E-14 -1.198695327752569E-11 1.855384775797046E-9 -1.851952540457504E-9 8.248025288670523E-11
peri 4.501392494917058E-13 -1.091031496468417E-12 6.547464534591586E-10 -1.851952540457504E-9 2.044819064921415E-9 -8.189161971509938E-11
i -6.087581262459272E-16 1.410811157142565E-15 1.165575845616424E-12 8.248025288670523E-11 -8.189161971509938E-11 3.128578498241267E-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 16.4   n/a MPO436466  

100245 (1994 RT2)          Discovered 1994-Sep-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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