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JPL Small-Body Database Browser
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46856 (1998 QK45)
Classification: Main-belt Asteroid          SPK-ID: 2046856
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183674835395636 4.061e-08  
a 2.460611966537411 1.4648e-08 au
q 2.008659468611119 1.0234e-07 au
i 5.524819644063017 5.3657e-06 deg
node 215.7677601564495 4.9534e-05 deg
peri 105.4307596134471 5.3267e-05 deg
M 244.2550445337855 2.5659e-05 deg
tp 2459453.775969940602
(2021-Aug-27.27596994)
0.00010341 TDB
period 1409.818238050541
3.86
1.2589e-05
3.447e-08
d
yr
n .2553520661626555 2.2802e-09 deg/d
Q 2.912564464463702 1.7339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      7835 days (21.45 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:36:10  

Additional Information
 Earth MOID = 1.00486 au 
 Jupiter MOID = 2.42891 au 
 T_jup = 3.460 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO365800  

46856 (1998 QK45)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QK45 = 2001 FR170 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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