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46162 (2001 FM78)
Classification: Main-belt Asteroid          SPK-ID: 2046162
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02891047406014425 4.4775e-08  
a 2.604682049821722 1.2126e-08 au
q 2.529379456985428 1.1809e-07 au
i 14.41721632129895 5.2508e-06 deg
node 188.5145320381815 1.4262e-05 deg
peri 334.4579778715022 7.4805e-05 deg
M 341.1622463929564 7.5716e-05 deg
tp 2459476.844677878124
(2021-Sep-19.34467788)
0.0003231 TDB
period 1535.431699526509
4.20
1.0722e-05
2.936e-08
d
yr
n .2344617478660988 1.6373e-09 deg/d
Q 2.679984642658016 1.2477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      9703 days (26.57 yr)  
   first obs. used      1994-10-11  
   last obs. used      2021-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:34:41  

Additional Information
 Earth MOID = 1.53775 au 
 Jupiter MOID = 2.28248 au 
 T_jup = 3.368 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457297.5 (2015-Oct-02.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02775645606275746 4.5182e-08  
q 2.532167418123861 1.189e-07 au
tp 2457950.293732431250
(2017-Jul-15.79373243)
0.00033 TDB
node 188.5667138525959 1.4246e-05 deg
peri 336.418344111876 7.6998e-05 deg
i 14.42522351894385 5.2541e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      9703 days (26.57 yr)  
   first obs. used      1994-10-11  
   last obs. used      2021-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53886  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:34:41  

Additional Information
 Jupiter MOID = 2.28248 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.041438333178576E-15 -5.345869955550418E-15 2.065353997634843E-12 -3.9547097379056E-15 5.070464006811968E-13 -2.374329587563427E-15
q -5.345869955550418E-15 1.413655843137555E-14 -4.407522912865053E-12 9.330689815583523E-15 -1.110539230563946E-12 7.086092640513978E-15
tp 2.065353997634843E-12 -4.407522912865053E-12 1.089001921485337E-7 2.750250160167364E-11 2.497655998894306E-8 2.824983538891582E-12
node -3.9547097379056E-15 9.330689815583523E-15 2.750250160167364E-11 2.029373910885488E-10 -1.898278546473722E-10 -1.69519336346771E-12
peri 5.070464006811968E-13 -1.110539230563946E-12 2.497655998894306E-8 -1.898278546473722E-10 5.928759804410123E-9 2.244690515190111E-12
i -2.374329587563427E-15 7.086092640513978E-15 2.824983538891582E-12 -1.69519336346771E-12 2.244690515190111E-12 2.760547150340077E-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 14.77   n/a MPCxxxxx  
diameter diameter 2.888 km 0.530 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.2695 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]
geometric albedo albedo 0.306   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46162 (2001 FM78)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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