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39901 (1998 FW27)
Classification: Main-belt Asteroid          SPK-ID: 2039901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1621591809683764 2.926e-08  
a 2.34832453840397 8.2053e-09 au
q 1.967522154608442 6.8879e-08 au
i 1.399029779078135 3.6396e-06 deg
node 265.8807827627103 0.00015964 deg
peri 195.3982327055032 0.00016027 deg
M 115.6498349970139 1.4533e-05 deg
tp 2458578.241774878795
(2019-Apr-04.74177488)
5.2041e-05 TDB
period 1314.424365997225
3.60
6.8891e-06
1.886e-08
d
yr
n .2738841498322924 1.4355e-09 deg/d
Q 2.729126922199498 9.5359e-09 au
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      8713 days (23.85 yr)  
   first obs. used      1996-09-06  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:19:10  

Additional Information
 Earth MOID = .98445 au 
 Jupiter MOID = 2.41452 au 
 T_jup = 3.541 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457178.5 (2015-Jun-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619176236281078 2.9242e-08  
q 1.968086173114291 6.8793e-08 au
tp 2457264.755638949648
(2015-Aug-30.25563895)
4.9494e-05 TDB
node 265.9785086122297 0.00015971 deg
peri 195.6165592347539 0.00016034 deg
i 1.398723371916843 3.6379e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      8713 days (23.85 yr)  
   first obs. used      1996-09-06  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:19:10  

Additional Information
 Jupiter MOID = 2.41452 au 
 T_jup = 3.541 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.550953095263175E-16 -2.00163504938328E-15 -2.964882125134628E-13 2.146868981678891E-15 -9.823071456474875E-14 -4.223839438476369E-17
q -2.00163504938328E-15 4.732544475339068E-15 8.016991279310537E-13 -4.330602041297999E-15 2.587768111980044E-13 8.512833670239575E-17
tp -2.964882125134628E-13 8.016991279310537E-13 2.449651778261846E-9 1.55467617770822E-12 7.193318027484676E-10 -1.989375774751235E-13
node 2.146868981678891E-15 -4.330602041297999E-15 1.55467617770822E-12 2.550754586238402E-8 -2.549913170566893E-8 -1.517683422248746E-10
peri -9.823071456474875E-14 2.587768111980044E-13 7.193318027484676E-10 -2.549913170566893E-8 2.571002232685774E-8 1.516677145809046E-10
i -4.223839438476369E-17 8.512833670239575E-17 -1.989375774751235E-13 -1.517683422248746E-10 1.516677145809046E-10 1.323434407033965E-11

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 15.8   n/a MPO452721  

39901 (1998 FW27)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FW27 = 2000 VU22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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