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(1998 QJ1)
Classification: Centaur          SPK-ID: 3014714
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .815082284922278 8.0981e-05  
a 11.24432051331039 0.0051737 au
q 2.079274056922916 4.8591e-05 au
i 23.66462544265118 0.0011213 deg
node 311.7398255438473 0.00032881 deg
peri 3.914267717165969 0.0076692 deg
M 213.2208984730739 0.14748 deg
tp 2464815.632072881625
(2036-May-02.13207288)
9.5173 TDB
period 13772.03924270212
37.71
9.5052
0.02602
d
yr
n .02613991970657257 1.8041e-05 deg/d
Q 20.40936696969787 0.0093908 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      62 days  
   first obs. used      1998-08-17  
   last obs. used      1998-10-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .52717  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:48:15  

Additional Information
 Earth MOID = 1.06409 au 
 Jupiter MOID = 1.97689 au 
 T_jup = 2.023 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPC33080  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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