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213060 (1999 RU50)
Classification: Main-belt Asteroid          SPK-ID: 2213060
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .2260938806039182 5.039e-08  
a 2.347305779319811 1.1751e-08 au
q 1.816594306709391 1.2324e-07 au
i 3.217373496607203 4.8107e-06 deg
node 69.01224814997872 7.7179e-05 deg
peri 285.4850753276992 7.7743e-05 deg
M 315.3468289465417 1.158e-05 deg
tp 2459363.430628952691
(2021-May-28.93062895)
4.2927e-05 TDB
period 1313.569115903266
3.60
9.8637e-06
2.701e-08
d
yr
n .2740624727252731 2.058e-09 deg/d
Q 2.878017251930232 1.4407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      7621 days (20.87 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:10  

Additional Information
 Earth MOID = .813432 au 
 Jupiter MOID = 2.56751 au 
 T_jup = 3.523 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457344.5 (2015-Nov-18.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2249118811557522 5.0312e-08  
q 1.820410414444972 1.2291e-07 au
tp 2456736.180352188902
(2014-Mar-19.68035219)
3.6225e-05 TDB
node 69.06853473879589 7.7191e-05 deg
peri 285.4442699249987 7.7763e-05 deg
i 3.216564219465788 4.8075e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      7621 days (20.87 yr)  
   first obs. used      1999-08-13  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:41:10  

Additional Information
 Jupiter MOID = 2.56751 au 
 T_jup = 3.523 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.531291779466899E-15 -6.171275274893733E-15 1.145716666538604E-13 1.395767744252266E-14 8.358121487344571E-14 -1.745679470018582E-15
q -6.171275274893733E-15 1.510730845461821E-14 -2.30176301636743E-13 -3.338329207678256E-14 -1.877125161613966E-13 4.304474423965099E-15
tp 1.145716666538604E-13 -2.30176301636743E-13 1.312237243800498E-9 2.438310638662637E-12 3.563824947384296E-10 5.897928417649008E-13
node 1.395767744252266E-14 -3.338329207678256E-14 2.438310638662637E-12 5.958480272772632E-9 -5.947671629646266E-9 -8.428112039383818E-11
peri 8.358121487344571E-14 -1.877125161613966E-13 3.563824947384296E-10 -5.947671629646266E-9 6.047113046742568E-9 8.42773456597844E-11
i -1.745679470018582E-15 4.304474423965099E-15 5.897928417649008E-13 -8.428112039383818E-11 8.42773456597844E-11 2.311165428006879E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.62   n/a E2021B55  

213060 (1999 RU50)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1999 RU50 = 2003 WR68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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