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160744 (2000 RO91)
Classification: Main-belt Asteroid          SPK-ID: 2160744
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2312347808603796 4.6725e-08  
a 2.349328959798747 8.2106e-09 au
q 1.80608239261074 1.1059e-07 au
i 1.494355859845506 4.3805e-06 deg
node 242.4399493873696 0.00017343 deg
peri 124.6266271792964 0.00017364 deg
M 166.5844215506764 8.2116e-06 deg
tp 2458391.880224484525
(2018-Sep-30.38022448)
2.9266e-05 TDB
period 1315.267761210902
3.60
6.895e-06
1.888e-08
d
yr
n .2737085258355043 1.4349e-09 deg/d
Q 2.892575526986753 1.0109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      1999-04-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:24:15  

Additional Information
 Earth MOID = .805379 au 
 Jupiter MOID = 2.57441 au 
 T_jup = 3.522 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457201.5 (2015-Jun-28.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2310237157771522 4.6902e-08  
q 1.806611567574795 1.1103e-07 au
tp 2457073.611954788431
(2015-Feb-20.11195479)
2.8706e-05 TDB
node 242.7104393123109 0.00017427 deg
peri 123.8865027352038 0.00017447 deg
i 1.48973753663033 4.3718e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      1999-04-16  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 13:24:15  

Additional Information
 Jupiter MOID = 2.57441 au 
 T_jup = 3.522 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.199778688943418E-15 -5.199369802086431E-15 -4.164942857426185E-14 -3.029047643416207E-14 -5.046472174046078E-14 -9.412395007895807E-16
q -5.199369802086431E-15 1.232816862337132E-14 9.335859815456136E-14 7.261322325596348E-14 1.168491786761252E-13 2.264759014452489E-15
tp -4.164942857426185E-14 9.335859815456136E-14 8.240382100199058E-10 6.122268100929173E-12 2.588872313235788E-10 1.078067794663013E-13
node -3.029047643416207E-14 7.261322325596348E-14 6.122268100929173E-12 3.036979911438154E-8 -3.035658226602085E-8 -1.652954617514984E-10
peri -5.046472174046078E-14 1.168491786761252E-13 2.588872313235788E-10 -3.035658226602085E-8 3.044050752984551E-8 1.652854478131412E-10
i -9.412395007895807E-16 2.264759014452489E-15 1.078067794663013E-13 -1.652954617514984E-10 1.652854478131412E-10 1.911257462054989E-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 16.7   n/a MPO459735  

160744 (2000 RO91)          Discovered 2000-Sep-03 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

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