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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238400213823172 5.1108e-08  
a 2.992916523570387 2.5942e-08 au
q 2.62227367729594 1.4975e-07 au
i 2.012550802382481 5.5859e-06 deg
node 328.6990024655535 0.00012959 deg
peri 227.3644231760682 0.00013117 deg
M 109.2165279603374 1.8908e-05 deg
tp 2458626.745376754172
(2019-May-23.24537675)
9.9383e-05 TDB
period 1891.212513581356
5.18
2.4589e-05
6.732e-08
d
yr
n .1903540704255781 2.4749e-09 deg/d
Q 3.363559369844834 2.9154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      466  
   data-arc span      8653 days (23.69 yr)  
   first obs. used      1995-09-18  
   last obs. used      2019-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57045  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:13:42  

Additional Information
 Earth MOID = 1.62074 au 
 Jupiter MOID = 1.60228 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 15.45   n/a MPCxxxxx  
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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