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85321 (1995 FK7)
Classification: Main-belt Asteroid          SPK-ID: 2085321
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07830641769935373 3.1801e-08  
a 2.58440284602468 9.7224e-09 au
q 2.382027517260472 8.1817e-08 au
i 5.912149426852269 3.384e-06 deg
node 140.3484949609227 3.766e-05 deg
peri 326.450558891531 4.5909e-05 deg
M 184.5635295627602 2.7347e-05 deg
tp 2460136.030556697636
(2023-Jul-10.53055670)
0.00011701 TDB
period 1517.535092604304
4.15
8.5633e-06
2.345e-08
d
yr
n .2372268040155759 1.3386e-09 deg/d
Q 2.786778174788887 1.0484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1169  
   data-arc span      9626 days (26.35 yr)  
   first obs. used      1995-03-25  
   last obs. used      2021-08-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54517  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:47  

Additional Information
 Earth MOID = 1.40159 au 
 Jupiter MOID = 2.28987 au 
 T_jup = 3.411 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.23   n/a MPO637171  
rotation period rot_per 5.51604 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

85321 (1995 FK7)          Discovered 1995-Mar-25 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1995 FK7 = 1999 FU41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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