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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1891991985024704 4.9322e-08  
a 2.679304967798574 1.9883e-08 au
q 2.172382615347396 1.4032e-07 au
i 12.1654805158077 6.0406e-06 deg
node 2.359630399655036 2.4298e-05 deg
peri 282.4666348587339 2.9352e-05 deg
M 310.6582239040499 1.5087e-05 deg
tp 2458820.055301513354
(2019-Dec-02.55530151)
6.7564e-05 TDB
period 1601.886166219601
4.39
1.7831e-05
4.882e-08
d
yr
n .2247350701889063 2.5016e-09 deg/d
Q 3.186227320249751 2.3645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7542 days (20.65 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:16  

Additional Information
 Earth MOID = 1.19506 au 
 Jupiter MOID = 2.15439 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456540.5 (2013-Sep-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875510327392187 4.9262e-08  
q 2.178055195555787 1.3987e-07 au
tp 2457218.904641664943
(2015-Jul-15.40464167)
6.7336e-05 TDB
node 2.40211140694092 2.4302e-05 deg
peri 282.4461786780992 2.946e-05 deg
i 12.16034795838184 6.0384e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      672  
   data-arc span      7542 days (20.65 yr)  
   first obs. used      1998-09-14  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59358  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:41:16  

Additional Information
 Jupiter MOID = 2.15439 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.426710699180269E-15 -6.852490074611216E-15 3.466660925929933E-13 -7.935097558192087E-16 1.137095654482212E-13 -1.109964751760914E-14
q -6.852490074611216E-15 1.956248501315508E-14 -1.032187192545E-12 1.697237142649154E-15 -3.592116706646194E-13 3.288512089616716E-14
tp 3.466660925929933E-13 -1.032187192545E-12 4.534168006326166E-9 -1.717221142583702E-11 1.138795852834453E-9 -5.558189168322576E-12
node -7.935097558192087E-16 1.697237142649154E-15 -1.717221142583702E-11 5.905948178599983E-10 -5.808117748966263E-10 3.566831091124719E-12
peri 1.137095654482212E-13 -3.592116706646194E-13 1.138795852834453E-9 -5.808117748966263E-10 8.678629649801347E-10 -4.585446525513706E-12
i -1.109964751760914E-14 3.288512089616716E-14 -5.558189168322576E-12 3.566831091124719E-12 -4.585446525513706E-12 3.646252475725655E-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 14.7   n/a MPO302456  

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

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