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52692 (1998 FO8)
Classification: Main-belt Asteroid          SPK-ID: 2052692
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .173565502401367 8.6098e-09  
a 3.176160132277853 1.6524e-08 au
q 2.624888303211856 2.524e-08 au
i 16.58948116172845 7.8173e-07 deg
node 13.84363333008497 1.8367e-06 deg
peri 210.7324317629852 7.0542e-06 deg
M 16.55818408294306 6.1432e-06 deg
tp 2459301.404006996723
(2021-Mar-27.90400700)
3.4904e-05 TDB
period 2067.530914603466
5.66
1.6134e-05
4.417e-08
d
yr
n .1741207337976104 1.3588e-09 deg/d
Q 3.72743196134385 1.9392e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2517  
   data-arc span      8543 days (23.39 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:07:03  

Additional Information
 Earth MOID = 1.63224 au 
 Jupiter MOID = 1.31445 au 
 T_jup = 3.113 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457395.5 (2016-Jan-08.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1739677104205516 8.6685e-09  
q 2.62398834490087 2.5459e-08 au
tp 2457229.112491321949
(2015-Jul-25.61249132)
3.0025e-05 TDB
node 13.87887195216762 1.8364e-06 deg
peri 210.2168180744459 7.0328e-06 deg
i 16.59104374339057 7.8162e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      2517  
   data-arc span      8543 days (23.39 yr)  
   first obs. used      1998-03-20  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:07:03  

Additional Information
 Jupiter MOID = 1.31445 au 
 T_jup = 3.113 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.514332825034976E-17 -1.920713415896257E-16 -7.919579635934648E-14 -3.650947369979787E-15 -1.280519269469121E-14 -3.469734651445713E-16
q -1.920713415896257E-16 6.481564120575281E-16 2.733748757805064E-13 1.29716640789031E-14 4.479682735749783E-14 1.040551698009029E-15
tp -7.919579635934648E-14 2.733748757805064E-13 9.015033921413076E-10 -2.228083326389206E-12 2.043650720838901E-10 7.731082622366906E-12
node -3.650947369979787E-15 1.29716640789031E-14 -2.228083326389206E-12 3.372453239186776E-12 -3.531085403270391E-12 -1.046155149175905E-12
peri -1.280519269469121E-14 4.479682735749783E-14 2.043650720838901E-10 -3.531085403270391E-12 4.946044167407639E-11 2.760074332169418E-12
i -3.469734651445713E-16 1.040551698009029E-15 7.731082622366906E-12 -1.046155149175905E-12 2.760074332169418E-12 6.109346455662621E-13

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 12.16   n/a E2021B10  
diameter diameter 10.774 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 13.366 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.220   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

52692 (1998 FO8)          Discovered 1998-Mar-21 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1998 FO8 = 1981 FE1 = 2000 QU143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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