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91042 (1998 FF15)
Classification: Main-belt Asteroid          SPK-ID: 2091042
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125569147727577 3.8696e-08  
a 2.62368686573401 1.5387e-08 au
q 2.328372766797183 1.04e-07 au
i 9.509728241288421 5.0487e-06 deg
node 15.93937752523364 2.9765e-05 deg
peri 232.8261484705443 3.9717e-05 deg
M 10.21425928040056 2.8654e-05 deg
tp 2458956.457617357092
(2020-Apr-16.95761736)
0.00012347 TDB
period 1552.267013807871
4.25
1.3655e-05
3.739e-08
d
yr
n .2319188624107156 2.0402e-09 deg/d
Q 2.919000964670837 1.7119e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:00  

Additional Information
 Earth MOID = 1.32976 au 
 Jupiter MOID = 2.13061 au 
 T_jup = 3.375 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456759.5 (2014-Apr-12.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127058102626018 3.8834e-08  
q 2.328440186613971 1.0449e-07 au
tp 2457400.827654259338
(2016-Jan-13.32765426)
0.00012044 TDB
node 16.06798137097686 2.9795e-05 deg
peri 231.9179947702645 3.961e-05 deg
i 9.505039812351846 5.0438e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      10521 days (28.80 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-07-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53504  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:15:00  

Additional Information
 Jupiter MOID = 2.13061 au 
 T_jup = 3.375 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.50809596439411E-15 -4.022299324282961E-15 -4.226050213290072E-13 -1.219920617277313E-14 -3.402614021431331E-14 6.950467832222792E-16
q -4.022299324282961E-15 1.091846306887781E-14 1.344365120600011E-12 3.654231587923803E-14 1.189109043403866E-13 -2.153936835312406E-15
tp -4.226050213290072E-13 1.344365120600011E-12 1.450511369610731E-8 8.106663932886222E-11 3.166234713908588E-9 4.697050793326278E-12
node -1.219920617277313E-14 3.654231587923803E-14 8.106663932886222E-11 8.877518992961196E-10 -8.57339200660809E-10 -4.296625638148728E-11
peri -3.402614021431331E-14 1.189109043403866E-13 3.166234713908588E-9 -8.57339200660809E-10 1.568989545445118E-9 4.350368580554554E-11
i 6.950467832222792E-16 -2.153936835312406E-15 4.697050793326278E-12 -4.296625638148728E-11 4.350368580554554E-11 2.543968651133827E-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 14.5   n/a MPO432448  
diameter diameter 5.441 km 0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91042 (1998 FF15)          Discovered 1998-Mar-26 by Klet at Klet
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 FF15 = 2000 UZ101 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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