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27155 (1998 YM16)
Classification: Main-belt Asteroid          SPK-ID: 2027155
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152848058926138 5.1084e-08  
a 3.123281295482089 1.9842e-08 au
q 2.763214417584404 1.618e-07 au
i 1.135944093538512 5.3743e-06 deg
node 164.8464619035634 0.00022361 deg
peri 3.807573493531613 0.00022445 deg
M 278.4874049005201 2.0444e-05 deg
tp 2459456.996336432234
(2021-Aug-30.49633643)
0.00011622 TDB
period 2016.113962695476
5.52
1.9213e-05
5.26e-08
d
yr
n .1785613346572394 1.7016e-09 deg/d
Q 3.483348173379772 2.213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      8179 days (22.39 yr)  
   first obs. used      1997-09-07  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:58:06  

Additional Information
 Earth MOID = 1.76963 au 
 Jupiter MOID = 1.4866 au 
 T_jup = 3.205 
[ 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 14.1   n/a MPO452550  
diameter diameter 8.953 km 0.116 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27155 (1998 YM16)          Discovered 1998-Dec-22 by Spacewatch at Kitt Peak
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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