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JPL Small-Body Database Browser
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35491 (1998 FQ27)
Classification: Main-belt Asteroid          SPK-ID: 2035491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2456184627029388 4.5442e-08  
a 2.568380914591753 1.3509e-08 au
q 1.937539142714159 1.1777e-07 au
i 4.125387869719327 5.431e-06 deg
node 310.9170328596819 6.1164e-05 deg
peri 308.5715457840823 6.1978e-05 deg
M 346.7680025636094 1.1465e-05 deg
tp 2458655.759949697725
(2019-Jun-21.25994970)
4.8024e-05 TDB
period 1503.445113771698
4.12
1.1861e-05
3.247e-08
d
yr
n .2394500449017835 1.8891e-09 deg/d
Q 3.199222686469347 1.6827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1242  
   data-arc span      7717 days (21.13 yr)  
   first obs. used      1998-03-20  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:54:30  

Additional Information
 Earth MOID = .925164 au 
 Jupiter MOID = 1.89876 au 
 T_jup = 3.384 
[ show covariance matrix ]

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 14.5   n/a MPO296411  
diameter diameter 2.964 km 0.709 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.60 h n/a LCDB (Rev. 2019-January); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
geometric albedo albedo 0.383   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35491 (1998 FQ27)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FQ27 = 1999 RP22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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