Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
120615 (1995 WO27)
Classification: Main-belt Asteroid          SPK-ID: 2120615
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .075417934120301 4.7776e-08  
a 2.71052050132514 1.6901e-08 au
q 2.506098644724476 1.3094e-07 au
i 3.767685829157777 5.3629e-06 deg
node 30.21188549790883 6.1632e-05 deg
peri 15.94789066941187 7.0942e-05 deg
M 211.7819723062237 3.7838e-05 deg
tp 2459871.582634361788
(2022-Oct-19.08263436)
0.00017489 TDB
period 1629.96196973675
4.46
1.5245e-05
4.174e-08
d
yr
n .2208640487839986 2.0657e-09 deg/d
Q 2.914942357925805 1.8176e-08 au
  Orbit Determination Parameters
   # obs. used (total)      583  
   data-arc span      9953 days (27.25 yr)  
   first obs. used      1993-03-24  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57463  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:07:22  

Additional Information
 Earth MOID = 1.51455 au 
 Jupiter MOID = 2.36851 au 
 T_jup = 3.356 
[ 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 15.83   n/a E2021B55  
diameter diameter 3.920 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

120615 (1995 WO27)          Discovered 1995-Nov-19 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1995 WO27 = 2002 HE16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-21 15:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin