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193930 (2001 RF22)
Classification: Main-belt Asteroid          SPK-ID: 2193930
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1966104570344133 7.9875e-08  
a 2.341834158221167 8.8171e-09 au
q 1.881405074074503 1.8935e-07 au
i 1.249749096079363 8.1705e-06 deg
node 171.6317253914699 0.00024259 deg
peri 204.4798473633129 0.00024347 deg
M 58.95531295148498 1.4894e-05 deg
tp 2458786.135394159263
(2019-Oct-29.63539416)
5.409e-05 TDB
period 1308.978856005232
3.58
7.3926e-06
2.024e-08
d
yr
n .2750235409444698 1.5532e-09 deg/d
Q 2.802263242367831 1.0551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      9182 days (25.14 yr)  
   first obs. used      1994-10-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:59:39  

Additional Information
 Earth MOID = .8828 au 
 Jupiter MOID = 2.66038 au 
 T_jup = 3.537 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457108.5 (2015-Mar-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979267749426971 8.0357e-08  
q 1.877720807616409 1.9078e-07 au
tp 2457475.835896335568
(2016-Mar-28.33589634)
5.2927e-05 TDB
node 171.657158238354 0.00024275 deg
peri 204.1642558829929 0.0002436 deg
i 1.249290758010662 8.1782e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      196  
   data-arc span      9182 days (25.14 yr)  
   first obs. used      1994-10-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53096  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:59:39  

Additional Information
 Jupiter MOID = 2.66038 au 
 T_jup = 3.537 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.457223465396679E-15 -1.532094089724868E-14 -1.179825660184118E-12 8.116430779416223E-14 -5.702244511937704E-13 -5.504248859306843E-15
q -1.532094089724868E-14 3.639643987904565E-14 2.741999265412293E-12 -1.912041683109511E-13 1.32694705415159E-12 1.323323707495673E-14
tp -1.179825660184118E-12 2.741999265412293E-12 2.801255184237788E-9 -4.18791424284594E-11 1.096285556459029E-9 -9.013957201034538E-13
node 8.116430779416223E-14 -1.912041683109511E-13 -4.18791424284594E-11 5.892698394386563E-8 -5.892821209265156E-8 9.713891805930481E-10
peri -5.702244511937704E-13 1.32694705415159E-12 1.096285556459029E-9 -5.892821209265156E-8 5.934306614367111E-8 -9.714820332080341E-10
i -5.504248859306843E-15 1.323323707495673E-14 -9.013957201034538E-13 9.713891805930481E-10 -9.714820332080341E-10 6.688324981881403E-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 17.5   n/a MPO494073  

193930 (2001 RF22)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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