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401857 (2000 PG3)
Classification: Apollo [NEO]          SPK-ID: 2401857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 69 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8557190628324587 6.9496e-08  
a 2.824219847150695 1.7755e-08 au
q .4074810863140726 1.9639e-07 au
i 22.01815397302908 2.3521e-05 deg
node 323.6168721415022 1.2512e-05 deg
peri 141.1683265873248 1.9013e-05 deg
M 33.18525299933412 8.3412e-06 deg
tp 2458840.695571565632
(2019-Dec-23.19557157)
3.9252e-05 TDB
period 1733.589140861055
4.75
1.6348e-05
4.476e-08
d
yr
n .2076616607215202 1.9582e-09 deg/d
Q 5.240958607987317 3.2948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      7176 days (19.65 yr)  
   first obs. used      2000-08-01  
   last obs. used      2020-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42518  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Mar-28 06:15:09  

Additional Information
 Earth MOID = .210354 au 
 Jupiter MOID = .925823 au 
 T_jup = 2.549 
[ 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 16.0   n/a MPO495032  
diameter diameter 4.2 km 0.6 Fernandez et al. (2005) Astron.J. 130:308-318  
geometric albedo albedo 0.046   0.012 Fernandez et al. (2005) Astron.J. 130:308-318  
SMASSII spectral type spec_B D   n/a Binzel et al. (2004) Icarus 170, 259-294  

401857 (2000 PG3)          Discovered 2000-Aug-01 by LINEAR at Socorro
Reference: Last Updated: 2014-08-13

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