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JPL Small-Body Database Browser
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27144 (1998 XN74)
Classification: Main-belt Asteroid          SPK-ID: 2027144
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1173653209539632 5.5502e-08  
a 3.010568076398796 1.8873e-08 au
q 2.657231787858496 1.7337e-07 au
i 4.383975294497255 4.7076e-06 deg
node 287.3087884830402 5.934e-05 deg
peri 226.2390824752745 6.1578e-05 deg
M 358.0669775764098 1.6345e-05 deg
tp 2459010.744847457681
(2020-Jun-10.24484746)
8.6648e-05 TDB
period 1907.968081361033
5.22
1.7942e-05
4.912e-08
d
yr
n .1886824017219392 1.7743e-09 deg/d
Q 3.363904364939097 2.1088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1311  
   data-arc span      11346 days (31.06 yr)  
   first obs. used      1989-01-11  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5297  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:57:49  

Additional Information
 Earth MOID = 1.67009 au 
 Jupiter MOID = 1.66246 au 
 T_jup = 3.235 
[ 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 13.9   n/a MPO324559  
diameter diameter 10.523 km 0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27144 (1998 XN74)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XN74 = 1989 AD8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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