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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2429170954645656 4.3029e-08  
a 2.306484744608727 6.4931e-09 au
q 1.746200169715044 9.9682e-08 au
i 7.049417468549173 4.294e-06 deg
node 166.230827847575 2.5535e-05 deg
peri 211.6985331329918 2.6758e-05 deg
M 47.29018575477381 8.7531e-06 deg
tp 2458832.428983878768
(2019-Dec-14.92898388)
3.0922e-05 TDB
period 1279.452910534098
3.50
5.4028e-06
1.479e-08
d
yr
n .2813702614891241 1.1882e-09 deg/d
Q 2.866769319502409 8.0704e-09 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      7830 days (21.44 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5535  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:36:30  

Additional Information
 Earth MOID = .751847 au 
 Jupiter MOID = 2.60049 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2115-Dec-01 12:48 00:03 Juno 0.0424934829028245 0.0424841764605177 0.0425027893540216 3.30004015402818 3.3000400672712 2493882.033062461 2.79735029604057 464.6267521737 45.5145847388588 3.97712766405025 16711.7850644664 T 24 CATAB v2.0f-lin.ifort 2020-Feb-23 20:36:33 2020-Feb-23 20:36

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