Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.419634E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:45:25+0800
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    1 Object 1

    AOE ID 42407
    NORAD ID 42407
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57775
    NORAD ID 57775
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB STARLINK-30305
    Time of Closest Approach 2026-10-22T07:35:47+0000
    Collision Probability (Pc) 1.419634E-6
    Conjunction Distance (km) 2.83 km
    Relative Speed (km/s) 14.392 km/s
    Conjunction Risk Parameters R (Radial): -1.577 | I (In-track): 0.764 | C (Cross-track): -2.221
    Collision Risk Index (CRI) 0.38
    X Position (km) 6586.388 6587.559
    Position Y (km) -1646.47 -1648.888
    Position Z (km) -984.135 -983.247
    Velocity X (km/s) -1.332 2.078
    Velocity Y (km/s) -0.901 5.286
    Velocity Z (km/s) -7.451 5.087

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB STARLINK-30305
    Semimajor Axis (a) 6857.040 km 6861.251 km
    Eccentricity (e) 0.000358 0.000121
    Inclination (i) 98.9483° 43.0020°
    RAAN 164.0086° 6.3249°
    Perigee Argument 5.3369° 277.2385°
    Mean Anomaly (M) 354.7904° 82.8329°
    Apogee 481.358 km 483.945 km
    Perigee 476.448 km 482.283 km
    Orbit Epoch 2026-10-19T14:24:15+0000 2026-10-20T07:00:05+0000

    NOAA 16 DEB & STARLINK-30305 Collision Probability (Pc) Trend

    NOAA 16 DEB & STARLINK-30305 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & STARLINK-30305 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & STARLINK-30305 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30305Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30305Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data