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 ]  
312950 (1995 WP11)
Classification: Main-belt Asteroid          SPK-ID: 2312950
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156400678100314 6.7205e-08  
a 2.451570223626204 1.379e-08 au
q 2.168070476725016 1.6524e-07 au
i 5.34624442271262 3.8785e-06 deg
node 98.27394281583869 8.7948e-05 deg
peri 327.3493448556102 9.7329e-05 deg
M 183.5311809712935 4.2006e-05 deg
tp 2459887.774787412546
(2022-Nov-04.27478741)
0.00016477 TDB
period 1402.054622625815
3.84
1.183e-05
3.239e-08
d
yr
n .2567660305029912 2.1665e-09 deg/d
Q 2.735069970527392 1.5385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      8925 days (24.44 yr)  
   first obs. used      1995-11-16  
   last obs. used      2020-04-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:31:58  

Additional Information
 Earth MOID = 1.18358 au 
 Jupiter MOID = 2.52316 au 
 T_jup = 3.480 
[ 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 17.41   n/a E2021B25  

312950 (1995 WP11)          Discovered 1995-Nov-16 by Spacewatch at Kitt Peak
Reference: 20120207/Numbers.arcLast Updated: 2012-02-09

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2148-Mar-22 03:23 00:02 Eunom 0.0432215832058408 0.0431881054311486 0.0432550820032488 5.64848230442583 5.64848224692667 2505681.641277088 1.86736952338605 2246.99924659127 84.4945452166638 42.0643490603302 51284.9088313635 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 06:31:59 2021-Apr-14 06:32

Alternate Designations
 1995 WP11 = 2008 CY215 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-18 21:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin