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JPL Small-Body Database Browser
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35399 (1997 YQ1)
Classification: Main-belt Asteroid          SPK-ID: 2035399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599269200904419 3.2396e-08  
a 2.431009300075507 1.1301e-08 au
q 2.04222547000321 8.1021e-08 au
i 4.331492232468488 5.7772e-06 deg
node 20.02866169410328 4.8819e-05 deg
peri 85.0347787953536 5.2957e-05 deg
M 286.4454851373134 2.0797e-05 deg
tp 2459283.368893688784
(2021-Mar-09.86889369)
8.0935e-05 TDB
period 1384.453448140693
3.79
9.6541e-06
2.643e-08
d
yr
n .2600304116281241 1.8132e-09 deg/d
Q 2.819793130147804 1.3109e-08 au
  Orbit Determination Parameters
   # obs. used (total)      938  
   data-arc span      8990 days (24.61 yr)  
   first obs. used      1995-03-23  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 02:11:24  

Additional Information
 Earth MOID = 1.06445 au 
 Jupiter MOID = 2.31903 au 
 T_jup = 3.486 
[ 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 15.1   n/a MPO431898  
diameter diameter 2.164 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.65 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.-H.; Lin, H.-W.; Ip, W.-H.; Chen, W.-P.; et al. (2019) ArXiv:1901.08719.]
geometric albedo albedo 0.314   0.127 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35399 (1997 YQ1)          Discovered 1997-Dec-20 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YQ1 = 1999 FG1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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