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150256 (1999 PN7)
Classification: Main-belt Asteroid          SPK-ID: 2150256
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2739124907350086 4.9429e-08  
a 3.081605917924988 2.8229e-08 au
q 2.237515565482412 1.5877e-07 au
i 7.281768723485476 5.8026e-06 deg
node 298.2631620684967 4.317e-05 deg
peri 54.35373331278256 4.4534e-05 deg
M 317.684637920219 1.6154e-05 deg
tp 2459432.752093114483
(2021-Aug-06.25209311)
9.1269e-05 TDB
period 1975.895972804744
5.41
2.715e-05
7.433e-08
d
yr
n .1821958265793656 2.5035e-09 deg/d
Q 3.925696270367564 3.5961e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7646 days (20.93 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:53:40  

Additional Information
 Earth MOID = 1.2395 au 
 Jupiter MOID = 1.60037 au 
 T_jup = 3.157 
[ 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 15.02   n/a E2021B55  
diameter diameter 3.576 km 0.161 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150256 (1999 PN7)          Discovered 1999-Aug-03 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

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