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JPL Small-Body Database Browser
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85653 (1998 QN16)
Classification: Main-belt Asteroid          SPK-ID: 2085653
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 .2428688504726676 4.3534e-08  
a 2.30667044739379 6.8207e-09 au
q 1.746452047415987 1.0104e-07 au
i 7.048919395603335 4.358e-06 deg
node 166.2389378999857 2.6521e-05 deg
peri 211.6346483909583 2.7704e-05 deg
M 294.7837442483805 9.1996e-06 deg
tp 2458832.308904511053
(2019-Dec-14.80890451)
3.3022e-05 TDB
period 1279.607433180597
3.50
5.6756e-06
1.554e-08
d
yr
n .2813362838204079 1.2479e-09 deg/d
Q 2.866888847371595 8.4773e-09 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55345  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:13:10  

Additional Information
 Earth MOID = .751274 au 
 Jupiter MOID = 2.59721 au 
 T_jup = 3.538 
[ 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 15.7   n/a MPO449531  

85653 (1998 QN16)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 QN16 = 2000 DD59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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