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295879 (2008 WP47)
Classification: Main-belt Asteroid          SPK-ID: 2295879
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1762617517886095 4.423e-08  
a 2.406000806906313 1.7459e-08 au
q 1.981914889876198 1.0586e-07 au
i 2.23507214120629 5.6265e-06 deg
node 78.31535834601908 0.00017497 deg
peri 216.7360178503454 0.00017658 deg
M 202.4901402024623 2.5982e-05 deg
tp 2459796.913306001051
(2022-Aug-05.41330600)
0.00010212 TDB
period 1363.145078259634
3.73
1.4837e-05
4.062e-08
d
yr
n .2640951471281562 2.8746e-09 deg/d
Q 2.830086723936428 2.0536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      2000-09-30  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66074  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:16:16  

Additional Information
 Earth MOID = .964474 au 
 Jupiter MOID = 2.3616 au 
 T_jup = 3.500 
[ 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 17.5   n/a MPO507341  

295879 (2008 WP47)          Discovered 2008-Nov-17 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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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
2153-Sep-13 12:44 00:03 Juno 0.0443357322039516 0.0443180923745058 0.0443534482665017 8.6206204630307 8.62062043119946 2507683.030775259 2.54804531505069 3037.04662622054 65.1870595939922 73.1747579856368 97370.4674467293 T 16 CATAB v2.0f-lin.ifort 2021-Apr-14 05:16:17 2021-Apr-14 05:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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