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91025 (1998 DJ34)
Classification: Main-belt Asteroid          SPK-ID: 2091025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1047832134321232 6.7314e-08  
a 2.540944022402039 1.0347e-08 au
q 2.274695742583609 1.7339e-07 au
i 13.13272135334112 5.9216e-06 deg
node 352.214791228901 1.4118e-05 deg
peri 168.3974351183225 2.309e-05 deg
M 278.5787407088591 2.0426e-05 deg
tp 2459731.100347353834
(2022-May-31.60034735)
8.5268e-05 TDB
period 1479.418595291689
4.05
9.0366e-06
2.474e-08
d
yr
n .243338836719854 1.4864e-09 deg/d
Q 2.80719230222047 1.1431e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1408  
   data-arc span      10003 days (27.39 yr)  
   first obs. used      1994-03-16  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52127  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:01:22  

Additional Information
 Earth MOID = 1.28444 au 
 Jupiter MOID = 2.16815 au 
 T_jup = 3.401 
[ 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 14.69   n/a E2021B10  
diameter diameter 2.929 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.392   0.117 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91025 (1998 DJ34)          Discovered 1998-Feb-27 by Elst, E. W. at La Silla
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1998 DJ34 = 2000 SF180 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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