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JPL Small-Body Database Browser
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35870 (1999 JQ69)
Classification: Main-belt Asteroid          SPK-ID: 2035870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02780144863484447 4.899e-08  
a 2.23179346981322 8.53e-09 au
q 2.169746378298626 1.1019e-07 au
i 4.095413980996629 4.4281e-06 deg
node 82.54478246750965 6.078e-05 deg
peri 301.7184758556609 9.6631e-05 deg
M 192.315939720846 7.6985e-05 deg
tp 2459167.742433167593
(2020-Nov-14.24243317)
0.00026127 TDB
period 1217.809704752955
3.33
6.9818e-06
1.912e-08
d
yr
n .2956126877581662 1.6948e-09 deg/d
Q 2.293840561327813 8.7671e-09 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      7932 days (21.72 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:56:13  

Additional Information
 Earth MOID = 1.17505 au 
 Jupiter MOID = 2.78866 au 
 T_jup = 3.637 
[ 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 15.6   n/a MPO324634  
diameter diameter 1.799 km 0.403 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.414   0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35870 (1999 JQ69)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JQ69 = 1999 GS61 = 2000 SA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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