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JPL Small-Body Database Browser
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85844 (1998 YN16)
Classification: Main-belt Asteroid          SPK-ID: 2085844
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488692188190217 7.0248e-08  
a 3.010010157734477 2.7397e-08 au
q 2.561912296915225 2.1232e-07 au
i 6.788622513564549 5.9574e-06 deg
node 291.4887031063545 6.2809e-05 deg
peri 209.1064530676472 6.7061e-05 deg
M 306.1489687326524 2.4464e-05 deg
tp 2458885.826357704086
(2020-Feb-06.32635770)
0.00013149 TDB
period 1907.437728787816
5.22
2.6042e-05
7.13e-08
d
yr
n .1887348638263444 2.5768e-09 deg/d
Q 3.458108018553729 3.1476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      9046 days (24.77 yr)  
   first obs. used      1994-04-05  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5773  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:26:53  

Additional Information
 Earth MOID = 1.57825 au 
 Jupiter MOID = 1.61165 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457089.5 (2015-Mar-08.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501278534691161 7.0265e-08  
q 2.557540643332733 2.1291e-07 au
tp 2456980.151708529334
(2014-Nov-18.65170853)
0.00011942 TDB
node 291.5265172419369 6.2786e-05 deg
peri 209.2240311217209 6.6944e-05 deg
i 6.790964983327644 5.9603e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      422  
   data-arc span      9046 days (24.77 yr)  
   first obs. used      1994-04-05  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5773  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:26:53  

Additional Information
 Jupiter MOID = 1.61165 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.937120185375329E-15 -1.486992539430309E-14 3.920530193545441E-12 1.325787254145284E-14 8.973575900152664E-13 -4.150198754732131E-16
q -1.486992539430309E-14 4.533003867857804E-14 -1.092784846615009E-11 -3.148531393809441E-14 -2.541370699752223E-12 2.440012081330302E-15
tp 3.920530193545441E-12 -1.092784846615009E-11 1.426214916254245E-8 6.515814022791051E-11 2.855885117338773E-9 5.6895260125588E-12
node 1.325787254145284E-14 -3.148531393809441E-14 6.515814022791051E-11 3.942093725273868E-9 -3.901124042660005E-9 1.286726608214139E-10
peri 8.973575900152664E-13 -2.541370699752223E-12 2.855885117338773E-9 -3.901124042660005E-9 4.481463242762415E-9 -1.266671056827872E-10
i -4.150198754732131E-16 2.440012081330302E-15 5.6895260125588E-12 1.286726608214139E-10 -1.266671056827872E-10 3.552542509706674E-11

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 15.0   n/a MPO459397  
diameter diameter 5.405 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.073   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85844 (1998 YN16)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 YN16 = 2002 TF263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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