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160405 (2004 RO201)
Classification: Main-belt Asteroid          SPK-ID: 2160405
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2267910679658649 4.6486e-08  
a 2.219809354025379 9.7262e-09 au
q 1.716376419945347 1.0613e-07 au
i 6.899437006654559 5.8373e-06 deg
node 347.9856710660148 3.8271e-05 deg
peri 323.3697237070537 4.0113e-05 deg
M 6.616177368527424 1.09e-05 deg
tp 2459178.298793251812
(2020-Nov-24.79879325)
3.655e-05 TDB
period 1208.013930727901
3.31
7.9395e-06
2.174e-08
d
yr
n .2980098083662647 1.9586e-09 deg/d
Q 2.723242288105412 1.1932e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      9389 days (25.71 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:13  

Additional Information
 Earth MOID = .70649 au 
 Jupiter MOID = 2.57696 au 
 T_jup = 3.607 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457353.5 (2015-Nov-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268561401050297 4.6571e-08  
q 1.716251291543756 1.0624e-07 au
tp 2456761.711013503981
(2014-Apr-14.21101350)
3.6889e-05 TDB
node 348.0225183936958 3.8263e-05 deg
peri 323.2490853590934 4.0098e-05 deg
i 6.901239309874999 5.8366e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      9389 days (25.71 yr)  
   first obs. used      1994-09-12  
   last obs. used      2020-05-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63836  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:13  

Additional Information
 Jupiter MOID = 2.57696 au 
 T_jup = 3.607 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.168828619983017E-15 -4.937061361326837E-15 4.393406757426653E-13 1.847156565330765E-16 1.313057796166262E-13 -3.146379906938119E-15
q -4.937061361326837E-15 1.128721500307457E-14 -1.038233442370873E-12 -1.136819327006382E-15 -3.026756167363452E-13 7.609639487821462E-15
tp 4.393406757426653E-13 -1.038233442370873E-12 1.36076642479368E-9 1.34842452023221E-12 4.5341539382162E-10 4.038790722476394E-13
node 1.847156565330765E-16 -1.136819327006382E-15 1.34842452023221E-12 1.464034183952691E-9 -1.452205863102106E-9 2.093933955664032E-11
peri 1.313057796166262E-13 -3.026756167363452E-13 4.5341539382162E-10 -1.452205863102106E-9 1.607846940544983E-9 -2.057435376237335E-11
i -3.146379906938119E-15 7.609639487821462E-15 4.038790722476394E-13 2.093933955664032E-11 -2.057435376237335E-11 3.406582491040947E-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 17.34   n/a E2021B55  

160405 (2004 RO201)          Discovered 2004-Sep-10 by Spacewatch at Kitt Peak
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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