Bingkun Luo¹, David Miller², Xiong Liu³, Jonathan E Franklin², Sasha Ayvazov⁴, Nicholas LoFaso⁴, Norton Allen⁵, Carlos Cervantes⁶, Kang Sun⁷, Thomas Veness⁶, Eamon Conway⁸, Sean Crowell⁹, Christopher O'Dell¹⁰, Sébastien Roche¹¹, Christopher Chan Miller¹¹, Maya Nasr⁴, Joshua Simon Benmergui¹² and Steven C Wofsy¹³, (1)Harvard-Smithsonian Center for Astrophysics, Atomic and Molecular Physics Division, Cambridge, MA, United States, (2)Harvard University, Cambridge, United States, (3)Center for Astrophysics | Harvard & Smithsonian, Cambridge, United States, (4)Environmental Defense Fund, New York, United States, (5)Harvard University, Cambridge, MA, United States, (6)Environmental Defense Fund New York, New York, United States, (7)University at Buffalo, Department of Civil, Structural and Environmental Engineering, Buffalo, United States, (8)Now at Kostas Research Institute, Northeastern University, Burlington, MA, USA, Cambridge, United States, (9)LumenUs Scientific, Oklahoma City, United States, (10)Cooperative Institute for Research in the Atmosphere, Fort Collins, CO, United States, (11)Environmental Defense Fund, Harvard University, Cambridge, United States, (12)MethaneSAT, LLC, Austin, United States, (13)Harvard University, Harvard John A. Paulson School of Engineering and Applied Sciences, Cambridge, United States