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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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06417739115303403 3.2637e-08  
a 2.267484038598348 8.4524e-09 au
q 2.12196282851996 7.2994e-08 au
i 3.89175439416085 3.972e-06 deg
node 69.57919185640336 6.3561e-05 deg
peri 48.62474774057728 7.3671e-05 deg
M 269.0890549706995 3.8008e-05 deg
tp 2458915.440459201598
(2020-Mar-06.94045920)
0.00013217 TDB
period 1247.138782640895
3.41
6.9733e-06
1.909e-08
d
yr
n .2886607368890231 1.614e-09 deg/d
Q 2.413005248676735 8.9948e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1074  
   data-arc span      8779 days (24.04 yr)  
   first obs. used      1995-11-24  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58838  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:42:30  

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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