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129778 (1999 JY35)
Classification: Main-belt Asteroid          SPK-ID: 2129778
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888687243077836 4.7253e-08  
a 2.332517410282325 1.1829e-08 au
q 1.891977822576607 1.1392e-07 au
i 4.60801532785908 4.5402e-06 deg
node 90.60555683590071 6.8269e-05 deg
peri 161.1739911275724 7.0838e-05 deg
M 310.1611319333289 2.3452e-05 deg
tp 2459180.636382645626
(2020-Nov-27.13638265)
8.5655e-05 TDB
period 1301.175172471306
3.56
9.8983e-06
2.71e-08
d
yr
n .2766729704166246 2.1047e-09 deg/d
Q 2.773056997988043 1.4064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      7652 days (20.95 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65924  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 21:47:17  

Additional Information
 Earth MOID = .878222 au 
 Jupiter MOID = 2.26942 au 
 T_jup = 3.542 
[ 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 16.4   n/a MPO266434  
diameter diameter 1.372 km 0.509 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.340   0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

129778 (1999 JY35)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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