Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.364988E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:12:29+0800
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    1 Object 1

    AOE ID 48713
    NORAD ID 48713
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 51735
    NORAD ID 51735
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 17 DEB STARLINK-3517
    Time of Closest Approach 2026-10-22T00:17:10+0000
    Collision Probability (Pc) 1.364988E-6
    Conjunction Distance (km) 2.679 km
    Relative Speed (km/s) 11.72 km/s
    Conjunction Risk Parameters R (Radial): -1.868 | I (In-track): 1.235 | C (Cross-track): -1.468
    Collision Risk Index (CRI) 0.38
    X Position (km) -259.604 -260.863
    Position Y (km) -4110.053 -4112.352
    Position Z (km) -5467.411 -5467.962
    Velocity X (km/s) -1.605 7.614
    Velocity Y (km/s) 6.003 0.014
    Velocity Z (km/s) -4.432 -0.374

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 17 DEB STARLINK-3517
    Semimajor Axis (a) 6856.244 km 6840.950 km
    Eccentricity (e) 0.002313 0.000164
    Inclination (i) 98.9796° 53.1612°
    RAAN 94.5071° 15.2279°
    Perigee Argument 259.8731° 87.7447°
    Mean Anomaly (M) 99.9895° 272.3744°
    Apogee 493.965 km 463.935 km
    Perigee 462.249 km 461.691 km
    Orbit Epoch 2026-10-18T16:46:23+0000 2026-10-19T05:28:21+0000

    NOAA 17 DEB & STARLINK-3517 Collision Probability (Pc) Trend

    NOAA 17 DEB & STARLINK-3517 Collision Probability (Pc) TrendNot Available

    NOAA 17 DEB & STARLINK-3517 Miss Distance (Miss Distance) Trend

    NOAA 17 DEB & STARLINK-3517 Miss Distance (Miss Distance) TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3517Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3517Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 17 DEB

    No nearby objects data