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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06417739399492629 3.302e-08  
a 2.267484039714738 8.6717e-09 au
q 2.121962823120758 7.3617e-08 au
i 3.891754533653542 3.991e-06 deg
node 69.5791872553941 6.4659e-05 deg
peri 48.62475717919818 7.5112e-05 deg
M 269.0890494941254 3.9231e-05 deg
tp 2458915.440478406543
(2020-Mar-06.94047841)
0.00013649 TDB
period 1247.138783561934
3.41
7.1542e-06
1.959e-08
d
yr
n .288660736675841 1.6559e-09 deg/d
Q 2.413005256308718 9.2282e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1050  
   data-arc span      8750 days (23.96 yr)  
   first obs. used      1995-11-24  
   last obs. used      2019-11-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59167  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:08:52  

Additional Information
 Earth MOID = 1.14085 au 
 Jupiter MOID = 2.62462 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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