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JPL Small-Body Database Browser
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523001 (2016 PH121)
Classification: Main-belt Asteroid          SPK-ID: 2523001
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06020708100174033 1.3101e-07  
a 2.852820660959208 5.4729e-08 au
q 2.681060656341399 3.9279e-07 au
i 3.242187319144512 9.5113e-06 deg
node 100.3995443471557 0.00023316 deg
peri 231.9687509719135 0.00024345 deg
M 289.9274806570733 6.7388e-05 deg
tp 2459343.074762191292
(2021-May-08.57476219)
0.00032947 TDB
period 1759.989729858542
4.82
5.0646e-05
1.387e-07
d
yr
n .2045466481380745 5.8861e-09 deg/d
Q 3.024580665577018 5.8024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      5525 days (15.13 yr)  
   first obs. used      2004-02-17  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57472  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 07:14:36  

Additional Information
 Earth MOID = 1.67172 au 
 Jupiter MOID = 2.19359 au 
 T_jup = 3.300 
[ 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 16.8   n/a MPO448123  

523001 (2016 PH121)          Discovered 2007-Nov-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2018-05-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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