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101016 (1998 QP55)
Classification: Main-belt Asteroid          SPK-ID: 2101016
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029191996913368 2.9349e-08  
a 2.676983575859324 1.0177e-08 au
q 2.133772211059097 7.7809e-08 au
i 2.804606112823828 3.9162e-06 deg
node 27.16314997500878 7.2989e-05 deg
peri 308.6876100811805 7.3756e-05 deg
M 61.00356581598437 1.0091e-05 deg
tp 2458929.406123697128
(2020-Mar-20.90612370)
4.435e-05 TDB
period 1599.804768190486
4.38
9.1227e-06
2.498e-08
d
yr
n .2250274578236133 1.2832e-09 deg/d
Q 3.220194940659551 1.2242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      8199 days (22.45 yr)  
   first obs. used      1998-08-26  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:48  

Additional Information
 Earth MOID = 1.12375 au 
 Jupiter MOID = 2.1663 au 
 T_jup = 3.347 
[ 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 15.2   n/a MPO436471  
diameter diameter 5.395 km 0.162 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101016 (1998 QP55)          Discovered 1998-Aug-26 by ODAS at Caussols
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QP55 = 2002 OJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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