Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.171419E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T20:39:07+0800
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    1 Object 1

    AOE ID 48722
    NORAD ID 48722
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55302
    NORAD ID 55302
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NOAA 17 DEB STARLINK-5321
    Time of Closest Approach 2026-11-01T16:22:52+0000
    Collision Probability (Pc) 5.171419E-6
    Conjunction Distance (km) 1.621 km
    Relative Speed (km/s) 14.582 km/s
    Conjunction Risk Parameters R (Radial): -1.527 | I (In-track): -0.137 | C (Cross-track): -0.523
    Collision Risk Index (CRI) 0.49
    X Position (km) 2971.841 2972.661
    Position Y (km) 771.319 771.984
    Position Z (km) -6239.223 -6240.453
    Velocity X (km/s) 6.822 -5.624
    Velocity Y (km/s) -0.903 4.594
    Velocity Z (km/s) 3.133 -2.111

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 17 DEB STARLINK-5321
    Semimajor Axis (a) 6945.059 km 6950.213 km
    Eccentricity (e) 0.000795 0.000229
    Inclination (i) 98.6887° 70.0000°
    RAAN 353.5560° 151.3145°
    Perigee Argument 194.3595° 270.3205°
    Mean Anomaly (M) 165.7401° 89.7691°
    Apogee 572.447 km 573.669 km
    Perigee 561.397 km 570.483 km
    Orbit Epoch 2026-10-30T02:14:07+0000 2026-10-30T21:35:55+0000

    NOAA 17 DEB & STARLINK-5321 Collision Probability (Pc) Trend

    NOAA 17 DEB & STARLINK-5321 Collision Probability (Pc) TrendNot Available

    NOAA 17 DEB & STARLINK-5321 Miss Distance (Miss Distance) Trend

    NOAA 17 DEB & STARLINK-5321 Miss Distance (Miss Distance) TrendNot Available

    NOAA 17 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5321Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 17 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5321Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 17 DEB

    No nearby objects data