Living Person
GW170817
is
As of April 18, 2026
8 years old
8 months!
Days Until Birthday
120 days
Days Since Birth
3,166 days
elapsed
Date of Birth
(August 17born, 2017 ) is
Thu
Day
Rooster
Year
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
Cosmic Age Calculator
Moon
115.9 years old
Mercury
36 years old
Venus
14.1 years old
Mars
4.6 years old
Jupiter
0.7 years old
Saturn
0.3 years old
* Calculated based on each planet's orbital period.
 The GW170817 signal as measured by the LIGO and gravitational wave detectors. Image includes Virgo data despite signal being in its blind spot (and thus not present) | |
| Event type | Gravitational wave |
|---|---|
| Date | 144 million years ago (detected 17 August 2017, 12:41:04.4 UTC) |
| Duration | c. 1 minute and 40 seconds |
| Instrument | LIGO, Virgo |
| Right ascension | 13 09 48.08 |
| Declination | −23° 22′ 53.3″ |
| Epoch | J2000.0 |
| Distance | 144 million ly |
| Redshift | 0.0099 |
| Host | NGC 4993 |
| Progenitor | 2 neutron stars |
| Other designations | GW170817 |
 Related media on Commons | |
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