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27872 (1995 WU7)
Classification: Main-belt Asteroid          SPK-ID: 2027872
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06410961518053321 3.1843e-08  
a 2.267623662844838 7.9741e-09 au
q 2.122247182445585 7.1715e-08 au
i 3.891453610096003 3.8597e-06 deg
node 69.57778637674741 6.0642e-05 deg
peri 48.43020405113219 6.9969e-05 deg
M 24.72035468921726 3.5064e-05 deg
tp 2458914.853998092635
(2020-Mar-06.35399809)
0.0001214 TDB
period 1247.253976501406
3.41
6.5789e-06
1.801e-08
d
yr
n .2886340767658351 1.5225e-09 deg/d
Q 2.413000143244092 8.4853e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1157  
   data-arc span      8913 days (24.40 yr)  
   first obs. used      1995-11-24  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:24:06  

Additional Information
 Earth MOID = 1.14083 au 
 Jupiter MOID = 2.62341 au 
 T_jup = 3.609 
[ 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 15.2   n/a MPO452560  
diameter diameter 2.235 km 0.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.388   0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27872 (1995 WU7)          Discovered 1995-Nov-28 by Kobayashi, T. at Oizumi
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1995 WU7 = 1998 SO114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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