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20295 (1998 FF75)
Classification: Main-belt Asteroid          SPK-ID: 2020295
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061750232212053 2.3146e-08  
a 2.35743079112325 7.7624e-09 au
q 2.107130522133355 5.5044e-08 au
i 7.312711596962066 6.3647e-07 deg
node 25.62503133159247 1.2279e-06 deg
peri 15.39116435510451 5.5982e-06 deg
M 252.3797611467903 6.3267e-06 deg
tp 2459595.728546520514
(2022-Jan-16.22854652)
2.4702e-05 TDB
period 1322.077318016858
3.62
6.5299e-06
1.788e-08
d
yr
n .2722987491684731 1.3449e-09 deg/d
Q 2.607731060113146 8.5866e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2502  
   data-arc span      10198 days (27.92 yr)  
   first obs. used      1992-09-22  
   last obs. used      2020-08-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43533  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:37  

Additional Information
 Earth MOID = 1.11462 au 
 Jupiter MOID = 2.76794 au 
 T_jup = 3.535 
[ 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 13.45   n/a E2021B10  
diameter diameter 4.504 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 71.667 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.457   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20295 (1998 FF75)          Discovered 1998-Mar-24 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FF75 = 1956 UN = 1992 SY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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