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JPL Small-Body Database Browser
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46857 (1998 QN45)
Classification: Main-belt Asteroid          SPK-ID: 2046857
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101220097198038 3.5297e-08  
a 2.375510621643165 8.8684e-09 au
q 2.11391461787708 8.2545e-08 au
i 12.04380808937199 4.1391e-06 deg
node 188.4352739222969 1.6954e-05 deg
peri 346.9480337394364 2.4738e-05 deg
M 39.4112885727719 1.7492e-05 deg
tp 2458454.096309095841
(2018-Dec-01.59630910)
6.4874e-05 TDB
period 1337.315541667157
3.66
7.4888e-06
2.05e-08
d
yr
n .2691960040718648 1.5075e-09 deg/d
Q 2.637106625409251 9.845e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1504  
   data-arc span      7677 days (21.02 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:12:14  

Additional Information
 Earth MOID = 1.11937 au 
 Jupiter MOID = 2.32884 au 
 T_jup = 3.504 
[ 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 14.5   n/a MPO337633  

46857 (1998 QN45)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QN45 = 1999 YS3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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