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541077 (2018 QX1)
Classification: Main-belt Asteroid          SPK-ID: 2541077
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1188155627669661 5.7702e-08  
a 2.592842758293008 5.0313e-08 au
q 2.284772686800172 1.4236e-07 au
i 13.31421082363926 7.6946e-06 deg
node 296.1233159974316 4.9735e-05 deg
peri 328.7144778861302 8.2715e-05 deg
M 267.6702990063515 6.2328e-05 deg
tp 2459591.612435991510
(2022-Jan-12.11243599)
0.00025829 TDB
period 1524.974904517773
4.18
4.4387e-05
1.215e-07
d
yr
n .2360694585422303 6.8712e-09 deg/d
Q 2.900912829785844 5.6291e-08 au
  Orbit Determination Parameters
   # obs. used (total)      127  
   data-arc span      6199 days (16.97 yr)  
   first obs. used      2004-02-18  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:22:03  

Additional Information
 Earth MOID = 1.27658 au 
 Jupiter MOID = 2.26774 au 
 T_jup = 3.371 
[ 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 16.78   .28814 MPCxxxxx autocmod 2.6n
diameter diameter 3.281 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

541077 (2018 QX1)          Discovered 2008-Jan-11 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-05-29

Alternate Designations
 2018 QX1 = 2010 OE60 = 2012 BL57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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