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172761 (2004 DP24)
Classification: Main-belt Asteroid          SPK-ID: 2172761
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07135122779206593 5.9175e-08  
a 3.091647108090968 3.5798e-08 au
q 2.871054291028887 1.8593e-07 au
i 10.35401550565532 7.8231e-06 deg
node 333.2286092781603 3.122e-05 deg
peri 255.1835124889098 6.1854e-05 deg
M 304.6003006014582 5.5452e-05 deg
tp 2459306.054165390218
(2021-Apr-01.55416539)
0.0003069 TDB
period 1985.561306915216
5.44
3.4486e-05
9.442e-08
d
yr
n .1813089320114215 3.149e-09 deg/d
Q 3.312239925153049 3.8352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      6334 days (17.34 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5663  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:17:30  

Additional Information
 Earth MOID = 1.88495 au 
 Jupiter MOID = 1.77582 au 
 T_jup = 3.196 
[ 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 14.5   n/a MPO422659  
diameter diameter 7.330 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172761 (2004 DP24)          Discovered 2004-Feb-19 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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