Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.03619E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:53:54+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 59308
    NORAD ID 59308
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 16 DEB STARLINK-31485
    Time of Closest Approach 2026-10-20T07:04:18+0000
    Collision Probability (Pc) 4.03619E-6
    Conjunction Distance (km) 1.717 km
    Relative Speed (km/s) 13.079 km/s
    Conjunction Risk Parameters R (Radial): 1.624 | I (In-track): 0.282 | C (Cross-track): -0.481
    Collision Risk Index (CRI) 0.47
    X Position (km) 4827.85 4826.777
    Position Y (km) -2032.134 -2032.124
    Position Z (km) -4436.824 -4435.483
    Velocity X (km/s) -5.042 4.125
    Velocity Y (km/s) 0.438 6.188
    Velocity Z (km/s) -5.689 1.655

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB STARLINK-31485
    Semimajor Axis (a) 6857.040 km 6861.080 km
    Eccentricity (e) 0.000358 0.000198
    Inclination (i) 98.9483° 43.0009°
    RAAN 164.0086° 47.9813°
    Perigee Argument 5.3369° 281.1594°
    Mean Anomaly (M) 354.7904° 78.9035°
    Apogee 481.358 km 484.302 km
    Perigee 476.448 km 481.584 km
    Orbit Epoch 2026-10-19T14:24:15+0000 2026-10-19T07:50:41+0000

    NOAA 16 DEB & STARLINK-31485 Collision Probability (Pc) Trend

    NOAA 16 DEB & STARLINK-31485 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & STARLINK-31485 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & STARLINK-31485 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31485Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31485Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data