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27129 (1998 XN1)
Classification: Main-belt Asteroid          SPK-ID: 2027129
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09002939138445809 5.0111e-08  
a 2.937618417325506 2.1131e-08 au
q 2.673146419093916 1.5089e-07 au
i 17.43794075834533 6.4537e-06 deg
node 66.24434080143345 1.7954e-05 deg
peri 266.8975313811306 4.1268e-05 deg
M 94.30443130555798 3.8461e-05 deg
tp 2458118.750691399932
(2017-Dec-31.25069140)
0.00019625 TDB
period 1839.041375840451
5.04
1.9843e-05
5.433e-08
d
yr
n .1957541601452432 2.1122e-09 deg/d
Q 3.202090415557096 2.3034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      709  
   data-arc span      14974 days (41.00 yr)  
   first obs. used      1978-11-29  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63593  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:00:49  

Additional Information
 Earth MOID = 1.73279 au 
 Jupiter MOID = 2.11649 au 
 T_jup = 3.199 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO459046  
diameter diameter 7.880 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27129 (1998 XN1)          Discovered 1998-Dec-07 by ODAS at Caussols
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XN1 = 1978 WW6 = 2001 KN60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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