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JPL Small-Body Database Browser
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59170 (1998 YA27)
Classification: Main-belt Asteroid          SPK-ID: 2059170
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967525446696394 3.3796e-08  
a 2.395316715743223 1.0042e-08 au
q 1.92403205663102 8.241e-08 au
i .7138405222987341 4.1658e-06 deg
node 23.10424489325304 0.0003322 deg
peri 25.51088548560647 0.00033242 deg
M 204.4730827085319 1.4651e-05 deg
tp 2459185.486586291563
(2020-Dec-01.98658629)
5.7501e-05 TDB
period 1354.0753892157
3.71
8.5149e-06
2.331e-08
d
yr
n .2658640743840098 1.6718e-09 deg/d
Q 2.866601374855425 1.2017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      864  
   data-arc span      9081 days (24.86 yr)  
   first obs. used      1994-10-09  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56391  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:27:58  

Additional Information
 Earth MOID = .933704 au 
 Jupiter MOID = 2.51416 au 
 T_jup = 3.503 
[ 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 15.6   n/a MPO436195  
diameter diameter 2.056 km 0.408 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59170 (1998 YA27)          Discovered 1998-Dec-16 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 YA27 = 2002 XA30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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