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74104 (1998 QK35)
Classification: Main-belt Asteroid          SPK-ID: 2074104
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2594189085025823 4.2814e-08  
a 2.607468771579059 1.1174e-08 au
q 1.93104206890145 1.1467e-07 au
i 4.076193813201905 4.8606e-06 deg
node 12.30805025945817 4.2935e-05 deg
peri 354.2217776543236 4.3927e-05 deg
M 309.793033765882 6.5621e-06 deg
tp 2458814.980878403049
(2019-Nov-27.48087840)
2.8051e-05 TDB
period 1537.896471677824
4.21
9.8858e-06
2.707e-08
d
yr
n .2340859782370429 1.5047e-09 deg/d
Q 3.283895474256667 1.4073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1998-07-31  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51613  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:24:32  

Additional Information
 Earth MOID = .928943 au 
 Jupiter MOID = 2.17402 au 
 T_jup = 3.359 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2623280734151163 4.3097e-08  
q 1.922089289865163 1.1577e-07 au
tp 2457275.943197559146
(2015-Sep-10.44319756)
2.8044e-05 TDB
node 12.41252693605945 4.2748e-05 deg
peri 353.8641730661639 4.3698e-05 deg
i 4.090193698018275 4.8714e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      1998-07-31  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51613  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:24:32  

Additional Information
 Jupiter MOID = 2.17402 au 
 T_jup = 3.359 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.857311819399854E-15 -4.978240997159351E-15 1.767105006588399E-13 9.213414937572852E-15 5.291668137694108E-14 -4.89893952318366E-15
q -4.978240997159351E-15 1.340200094989626E-14 -5.296431518498249E-13 -2.672530283080274E-14 -1.58188781094392E-13 1.326778158930262E-14
tp 1.767105006588399E-13 -5.296431518498249E-13 7.864765454295387E-10 8.03165376126105E-12 2.599909442199858E-10 -3.672213645192638E-14
node 9.213414937572852E-15 -2.672530283080274E-14 8.03165376126105E-12 1.827399952270714E-9 -1.819114793042807E-9 -1.06596448553412E-11
peri 5.291668137694108E-14 -1.58188781094392E-13 2.599909442199858E-10 -1.819114793042807E-9 1.909513317392062E-9 1.0630217076037E-11
i -4.89893952318366E-15 1.326778158930262E-14 -3.672213645192638E-14 -1.06596448553412E-11 1.0630217076037E-11 2.373033374984992E-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 15.5   n/a MPO439559  

74104 (1998 QK35)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QK35 = 2002 NC8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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