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85576 (1998 DH1)
Classification: Main-belt Asteroid          SPK-ID: 2085576
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227512678081671 5.1466e-08  
a 2.993289709883223 2.5297e-08 au
q 2.625859603077917 1.4977e-07 au
i 2.010923466653135 5.671e-06 deg
node 328.7274960675653 0.00013071 deg
peri 227.3854364939276 0.00013233 deg
M 71.22246423883634 1.9532e-05 deg
tp 2458626.272196137412
(2019-May-22.77219614)
0.00010258 TDB
period 1891.56624711491
5.18
2.3979e-05
6.565e-08
d
yr
n .1903184731431352 2.4126e-09 deg/d
Q 3.360719816688529 2.8402e-08 au
  Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      8626 days (23.62 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:38:27  

Additional Information
 Earth MOID = 1.62502 au 
 Jupiter MOID = 1.60617 au 
 T_jup = 3.243 
[ 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 15.4   n/a MPO432399  
diameter diameter 5.695 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85576 (1998 DH1)          Discovered 1998-Feb-19 by Klet at Klet
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 DH1 = 1995 SU11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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