Risk scales
TorinoT0
Palermo-9.11
Source: JPL Sentry
JPL window: 2121-2125·ESA years: 2115-2125·Last obs: 2025-10-31
Close approach
Miss distance sketch — not a real orbit plot.
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JPL CAD
0.036356 au · 14.15 LD
2027-Feb-22 06:26 · 7.78 km/s
ESA NEOCC
0.036326 au · 14.14 LD
2027-02-22 · 7.80 km/s
JPL uncertainty (dist_min–max)
0.035902 – 0.036826 au
Sources
Amber = past cut. Risk 2 · fields 2.
3/3 sources · match
| Field | JPL CADNASA/JPL | JPL SentryNASA/JPL | ESA NEOCCESA Aegis |
|---|---|---|---|
| Close-approach datethreshold: date | 2027-Feb-22 06:26 | — | 2027-02-22 |
| Miss distanceauthreshold: 3% rel | 0.036356 | — | 0.036326 |
| Relative velocitykm/sthreshold: 1% rel (ESA 0.1 km/s) | 7.78 | — | 7.80 |
| Risk yearsaggregation windows differ (informational) | — | 2121-2125 | 2115-2125 |
| Cumulative impact probabilitythreshold: >2× (floor 1e-7) | — | 3.368e-7 | 5.720e-9 |
| Palermo Scalecumulativethreshold: |Δ| > 0.5 | — | -9.11 | -10.81 |
| Torino Scalemaxthreshold: exact | — | T0 | T0 |
| Estimated diameter* from absolute magnitude | — | 4 m | 4 m * |
Detected · 2 fields · 2 risk
- cumulativeImpactProbability [risk · >2× (floor 1e-7)] · jpl-sentry=3.3681e-7 · esa-neocc=5.72e-9Aggregation windows differ (informational): JPL 2121-2125 vs ESA 2115-2125. Cumulative threshold still applies.
- palermoScaleCumulative [risk · |Δ| > 0.5] · jpl-sentry=-9.11 · esa-neocc=-10.81Aggregation windows differ (informational): JPL 2121-2125 vs ESA 2115-2125. Cumulative threshold still applies.