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447894 (2007 WS25)
Classification: Main-belt Asteroid          SPK-ID: 2447894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2132691719546215 1.5237e-07  
a 2.569942501600793 3.5107e-08 au
q 2.021852992313403 4.1312e-07 au
i 11.22317227155611 8.8973e-06 deg
node 223.3568723755436 4.3043e-05 deg
peri 130.511771230624 5.3674e-05 deg
M 57.12652930040261 1.9576e-05 deg
tp 2458761.708493329896
(2019-Oct-05.20849333)
8.4091e-05 TDB
period 1504.816474132125
4.12
3.0835e-05
8.442e-08
d
yr
n .2392318307171799 4.9021e-09 deg/d
Q 3.118032010888182 4.2595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      4401 days (12.05 yr)  
   first obs. used      2007-10-09  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:12  

Additional Information
 Earth MOID = 1.03845 au 
 Jupiter MOID = 2.43004 au 
 T_jup = 3.372 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457706.5 (2016-Nov-14.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2153722489623102 1.531e-07  
q 2.015165286251449 4.1556e-07 au
tp 2457256.377773704260
(2015-Aug-21.87777370)
0.00010074 TDB
node 223.3856908260943 4.3058e-05 deg
peri 130.3234522223741 5.3448e-05 deg
i 11.22447837662318 8.9128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      4401 days (12.05 yr)  
   first obs. used      2007-10-09  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:24:12  

Additional Information
 Jupiter MOID = 2.43004 au 
 T_jup = 3.372 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.344068926193869E-14 -6.356667627576985E-14 9.572060851494416E-12 -3.523655386858186E-14 2.812146677911021E-12 -2.33201832770335E-13
q -6.356667627576985E-14 1.726928639906788E-13 -2.659144024359315E-11 1.048151539567889E-13 -7.806821383652865E-12 6.314474568993452E-13
tp 9.572060851494416E-12 -2.659144024359315E-11 1.014898286359659E-8 -5.77441790731731E-11 3.24531470331275E-9 -8.167706604943707E-11
node -3.523655386858186E-14 1.048151539567889E-13 -5.77441790731731E-11 1.854020069155751E-9 -1.837339341682558E-9 -2.274333308063938E-10
peri 2.812146677911021E-12 -7.806821383652865E-12 3.24531470331275E-9 -1.837339341682558E-9 2.856695104445083E-9 2.004593526446451E-10
i -2.33201832770335E-13 6.314474568993452E-13 -8.167706604943707E-11 -2.274333308063938E-10 2.004593526446451E-10 7.943886584569804E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO495224  

447894 (2007 WS25)          Discovered 2007-Oct-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

Alternate Designations
 2007 WS25 = 2011 UU71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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