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185846 (2000 DB30)
Classification: Main-belt Asteroid          SPK-ID: 2185846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2838418107922812 6.5703e-08  
a 2.433705374661363 1.7102e-08 au
q 1.742918034182575 1.5363e-07 au
i 9.61045984367405 7.9526e-06 deg
node 159.8907420685547 3.8218e-05 deg
peri 280.79811021172 4.1225e-05 deg
M 166.2450417628222 1.4847e-05 deg
tp 2458360.106921521348
(2018-Aug-29.60692152)
5.4083e-05 TDB
period 1386.757197734791
3.80
1.4617e-05
4.002e-08
d
yr
n .2595984362569343 2.7363e-09 deg/d
Q 3.124492715140151 2.1956e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      7025 days (19.23 yr)  
   first obs. used      2000-02-02  
   last obs. used      2019-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63788  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:04:38  

Additional Information
 Earth MOID = .788705 au 
 Jupiter MOID = 2.22196 au 
 T_jup = 3.431 
[ 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 16.9   n/a MPO418003  
diameter diameter 2.374 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185846 (2000 DB30)          Discovered 2000-Feb-29 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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