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(2018 UQ1)
Classification: Apollo [NEO, PHA]          SPK-ID: 3831916
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4916331240634021 3.3764e-08  
a 1.61316788165375 3.3427e-08 au
q .8200811163575761 4.8472e-08 au
i 1.61077693171071 6.0015e-06 deg
node 255.3975821051396 0.00012354 deg
peri 218.9769160592417 0.00012362 deg
M 250.1317133412267 8.4819e-06 deg
tp 2459228.895544713695
(2021-Jan-14.39554471)
2.4587e-05 TDB
period 748.3724248134947
2.05
2.3261e-05
6.369e-08
d
yr
n .4810439135163448 1.4952e-08 deg/d
Q 2.406254646949924 4.9861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      694 days (1.90 yr)  
   first obs. used      2018-10-20  
   last obs. used      2020-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-14 06:53:33  

Additional Information
 Earth MOID = .0104726 au 
 Jupiter MOID = 2.72328 au 
 T_jup = 4.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.0   .41718 E2018X48 autocmod 2.6q
rotation period rot_per 3.9291 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
[López-Oquendo, A.J.; Cotto-Figueroa, D. (2019) Minor Planet Bull. 46, 190-191.]

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