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74214 (1998 RO68)
Classification: Main-belt Asteroid          SPK-ID: 2074214
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1890061910784731 3.3493e-08  
a 2.678947003328799 1.3307e-08 au
q 2.172609434128533 9.0262e-08 au
i 12.16542844557893 5.7324e-06 deg
node 2.316990932821557 1.854e-05 deg
peri 282.3273080400808 2.4484e-05 deg
M 40.68310458478973 1.4891e-05 deg
tp 2458819.509326330982
(2019-Dec-02.00932633)
6.5969e-05 TDB
period 1601.565150590963
4.38
1.1933e-05
3.267e-08
d
yr
n .2247801157930811 1.6748e-09 deg/d
Q 3.185284572529064 1.5822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      8076 days (22.11 yr)  
   first obs. used      1998-09-14  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47656  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:44:33  

Additional Information
 Earth MOID = 1.19592 au 
 Jupiter MOID = 2.15539 au 
 T_jup = 3.320 
[ show covariance matrix ]

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 14.7   n/a MPO302456  

74214 (1998 RO68)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1950-Feb-12 05:41 00:02 Vesta 0.0016678241661988 0.00165609941686209 0.00167956151522642 5.52032448132859 5.52031192810667 2433324.736725178 2.01834637271991 626.856836925016 34.1304386631733 21.4098000187535 2680.68544420756 T 24 CATAB v2.0f-lin.ifort 2020-Nov-12 21:44:36 2020-Nov-12 21:44
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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