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JPL Small-Body Database Browser
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172183 (2002 PZ74)
Classification: Main-belt Asteroid          SPK-ID: 2172183
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2327021971372468 5.5423e-08  
a 2.673313241356408 2.1046e-08 au
q 2.051227376456677 1.437e-07 au
i 11.8992113664545 1.1588e-05 deg
node 278.8757111682151 3.7537e-05 deg
peri 129.7744018150006 5.1955e-05 deg
M 325.6420730413539 3.5753e-05 deg
tp 2459152.869363192314
(2020-Oct-30.36936319)
0.0001596 TDB
period 1596.515727367809
4.37
1.8853e-05
5.162e-08
d
yr
n .2254910451734388 2.6628e-09 deg/d
Q 3.295399106256139 2.5943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      7168 days (19.62 yr)  
   first obs. used      1998-10-02  
   last obs. used      2018-05-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57067  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:25:10  

Additional Information
 Earth MOID = 1.08467 au 
 Jupiter MOID = 2.1512 au 
 T_jup = 3.311 
[ 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 16.2   n/a MPO352050  

172183 (2002 PZ74)          Discovered 2002-Aug-12 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ 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
2004-Nov-02 10:10 00:04 Eunom 0.0280927009817546 0.0280882307575815 0.028097172631626 1.56424731826771 1.56424699882351 2453311.923390584 3.76300538144739 430.402382239687 117.229629288575 -63.0753247816489 32051.9787590924 T 9 CATAB v2.0e-lin.ifort 2019-Jul-13 11:25:12 2019-Jul-13 11:25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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