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JPL Small-Body Database Browser
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35883 (1999 JH78)
Classification: Main-belt Asteroid          SPK-ID: 2035883
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1590104469892198 3.6074e-08  
a 2.285883546356048 8.3042e-09 au
q 1.92240418188467 8.1446e-08 au
i 5.543515882162666 4.1986e-06 deg
node 235.2457646517125 4.4162e-05 deg
peri 67.30771298806908 4.6606e-05 deg
M 214.0212865612317 1.668e-05 deg
tp 2459112.378171923936
(2020-Sep-19.87817192)
5.9812e-05 TDB
period 1262.349403907527
3.46
6.8788e-06
1.883e-08
d
yr
n .2851825325742949 1.554e-09 deg/d
Q 2.649362910827426 9.6247e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1819  
   data-arc span      9252 days (25.33 yr)  
   first obs. used      1994-01-07  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46463  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:55:51  

Additional Information
 Earth MOID = .914515 au 
 Jupiter MOID = 2.56673 au 
 T_jup = 3.579 
[ 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 14.3   n/a MPO381537  
diameter diameter 3.635 km 0.089 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.805 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.244   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35883 (1999 JH78)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JH78 = 2000 UV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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