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105239 (2000 PD21)
Classification: Main-belt Asteroid          SPK-ID: 2105239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114502274480817 3.4855e-08  
a 2.933283854009581 1.8448e-08 au
q 2.597416181027627 1.0736e-07 au
i 1.890714915383876 3.8224e-06 deg
node 188.5784695409108 0.00012904 deg
peri 167.4182708335971 0.00013038 deg
M 22.39525026772625 2.0014e-05 deg
tp 2459282.348142255725
(2021-Mar-08.84814226)
0.00010161 TDB
period 1834.972518577325
5.02
1.7311e-05
4.739e-08
d
yr
n .1961882242678556 1.8508e-09 deg/d
Q 3.269151526991535 2.056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      9286 days (25.42 yr)  
   first obs. used      1995-06-03  
   last obs. used      2020-11-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47635  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:55:39  

Additional Information
 Earth MOID = 1.59212 au 
 Jupiter MOID = 2.16623 au 
 T_jup = 3.265 
[ 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 15.41   n/a E2021B55  
rotation period rot_per 1.15 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

105239 (2000 PD21)          Discovered 2000-Aug-01 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 PD21 = 2001 XA128 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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