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192657 (1999 RD125)
Classification: Main-belt Asteroid          SPK-ID: 2192657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1580249308551418 5.4101e-08  
a 2.676770291741682 2.0741e-08 au
q 2.253773851474105 1.5403e-07 au
i 10.75107876161307 7.2501e-06 deg
node 339.318286290014 2.714e-05 deg
peri 307.9912454868978 3.6101e-05 deg
M 351.1698666496094 2.4596e-05 deg
tp 2459239.735558931326
(2021-Jan-25.23555893)
0.00010936 TDB
period 1599.613579409028
4.38
1.8592e-05
5.09e-08
d
yr
n .2250543535226807 2.6157e-09 deg/d
Q 3.099766732009259 2.4018e-08 au
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      9979 days (27.32 yr)  
   first obs. used      1993-01-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:03  

Additional Information
 Earth MOID = 1.25408 au 
 Jupiter MOID = 2.18281 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457296.5 (2015-Oct-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1568488370642294 5.4089e-08  
q 2.257176289579085 1.5373e-07 au
tp 2457639.326786358568
(2016-Sep-07.82678636)
0.00010847 TDB
node 339.3510512982477 2.7141e-05 deg
peri 307.7505847466757 3.6202e-05 deg
i 10.74957026859019 7.2492e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      410  
   data-arc span      9979 days (27.32 yr)  
   first obs. used      1993-01-26  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:03  

Additional Information
 Jupiter MOID = 2.18281 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.92556905571865E-15 -8.272332769050021E-15 9.272852751179293E-13 1.530020595100625E-14 3.204494854592025E-13 4.279737238244869E-15
q -8.272332769050021E-15 2.363218161892399E-14 -2.465590110511789E-12 -4.572933168450835E-14 -8.846584394165442E-13 -1.102103230061777E-14
tp 9.272852751179293E-13 -2.465590110511789E-12 1.176632593174279E-8 -1.694449216886656E-11 2.609848140374651E-9 2.386433693266542E-11
node 1.530020595100625E-14 -4.572933168450835E-14 -1.694449216886656E-11 7.366313272833183E-10 -7.259900639291145E-10 4.431379031393536E-11
peri 3.204494854592025E-13 -8.846584394165442E-13 2.609848140374651E-9 -7.259900639291145E-10 1.310598353363064E-9 -3.832235556007523E-11
i 4.279737238244869E-15 -1.102103230061777E-14 2.386433693266542E-11 4.431379031393536E-11 -3.832235556007523E-11 5.255046247338667E-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 15.81   n/a E2021B55  

192657 (1999 RD125)          Discovered 1999-Sep-09 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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