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180509 (2004 DZ2)
Classification: Main-belt Asteroid          SPK-ID: 2180509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1733516166489832 5.212e-08  
a 2.435032735301963 1.3238e-08 au
q 2.012915874044173 1.2135e-07 au
i 3.838632417342891 6.1109e-06 deg
node 125.7091082785362 6.2603e-05 deg
peri 134.2832949768772 6.4908e-05 deg
M 69.21832555058982 1.5781e-05 deg
tp 2458933.645690172048
(2020-Mar-25.14569017)
6.0429e-05 TDB
period 1387.89187363178
3.80
1.1318e-05
3.099e-08
d
yr
n .2593862006396553 2.1153e-09 deg/d
Q 2.857149596559755 1.5533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      360  
   data-arc span      7571 days (20.73 yr)  
   first obs. used      2000-01-16  
   last obs. used      2020-10-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:47  

Additional Information
 Earth MOID = .998086 au 
 Jupiter MOID = 2.21102 au 
 T_jup = 3.481 
[ 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 16.69   n/a E2021B55  

180509 (2004 DZ2)          Discovered 2004-Feb-16 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2026-Apr-03 15:48 00:02 Psych 0.0455271595045199 0.0455222268538011 0.0455320927563495 4.11429234655336 4.11429228196006 2461134.158490913 1.94011626928335 379.437929677683 106.188289435786 -52.5116638398632 52006.6664838316 T 12 CATAB v2.0f-lin.ifort 2021-Apr-13 21:26:48 2021-Apr-13 21:26

Alternate Designations
 2004 DZ2 = 2005 OJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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