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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2453955490929398 4.3866e-08  
a 2.567399354168918 1.2129e-08 au
q 1.937370979911777 1.1385e-07 au
i 4.126467209858147 5.2074e-06 deg
node 310.9066428162088 5.9743e-05 deg
peri 308.4890653787254 6.0481e-05 deg
M 82.65461926384127 9.9815e-06 deg
tp 2458655.512628872974
(2019-Jun-21.01262887)
4.1105e-05 TDB
period 1502.583336683047
4.11
1.0648e-05
2.915e-08
d
yr
n .2395873767605463 1.6978e-09 deg/d
Q 3.197427728426058 1.5106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1862  
   data-arc span      8169 days (22.37 yr)  
   first obs. used      1998-03-20  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:08:24  

Additional Information
 Earth MOID = .925352 au 
 Jupiter MOID = 1.90087 au 
 T_jup = 3.385 
[ 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-August); 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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