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 ]  
227469 (2005 WQ142)
Classification: Main-belt Asteroid          SPK-ID: 2227469
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06408061874993916 6.0519e-08  
a 2.621517443000247 2.7079e-08 au
q 2.453528983189032 1.5741e-07 au
i 1.26010381639646 7.5647e-06 deg
node 210.8545015731117 0.00027756 deg
peri 227.5171804684756 0.00028896 deg
M 179.18972251632 8.5824e-05 deg
tp 2458428.818389976499
(2018-Nov-06.31838998)
0.00036125 TDB
period 1550.34214969086
4.24
2.4021e-05
6.577e-08
d
yr
n .2322068067824799 3.5978e-09 deg/d
Q 2.789505902811461 2.8814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      8627 days (23.62 yr)  
   first obs. used      1996-09-15  
   last obs. used      2020-04-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57859  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:53  

Additional Information
 Earth MOID = 1.46871 au 
 Jupiter MOID = 2.35309 au 
 T_jup = 3.401 
[ 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 17.32   n/a E2021B55  

227469 (2005 WQ142)          Discovered 2005-Nov-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ 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
2087-May-17 16:23 00:06 Hebe 0.0439156006657594 0.0438844592211947 0.0439467464769784 5.36454572030914 5.36454569392118 2483458.182398904 5.61919506744833 1699.26750131106 73.2383793048319 24.0175820040251 36666.8581711601 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:39:54 2021-Apr-14 00:39
2121-May-07 04:25 00:06 Hebe 0.0468892490451853 0.0468427907002752 0.0469357131018134 5.69186478918531 5.69186476589209 2495865.683847823 6.31628486523612 2455.82558174242 74.464807663725 -19.4250651418042 31432.8193573309 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:39:54 2021-Apr-14 00:39
2127-Mar-14 12:40 00:13 Iris 0.0346282379992172 0.0346158114502288 0.0346407119315142 3.13616932853558 3.13616927560055 2498003.027503602 12.7872190449646 2141.43502747927 108.604481137832 73.4145142902398 45678.6834148063 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:39:54 2021-Apr-14 00:39
2164-May-14 01:40 00:10 Amphi 0.0100847849017564 0.0100259367721898 0.0101437169865343 2.27489060207191 2.2748903514922 2511578.569369078 10.14161553183 3270.78398563995 97.1793430976241 -26.3189247605176 6883.60466257375 T 13 CATAB v2.0f-lin.ifort 2021-Apr-14 00:39:54 2021-Apr-14 00:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-13 22:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin