Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.703783E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:02:02+0800
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    1 Object 1

    AOE ID 28319
    NORAD ID 28319
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 55915
    NORAD ID 55915
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DMSP 5D-2 F11 DEB STARLINK-5859
    Time of Closest Approach 2026-09-11T22:34:50+0000
    Collision Probability (Pc) 1.703783E-6
    Conjunction Distance (km) 2.557 km
    Relative Speed (km/s) 15.045 km/s
    Conjunction Risk Parameters R (Radial): 2.506 | I (In-track): -0.056 | C (Cross-track): 0.508
    Collision Risk Index (CRI) 0.4
    X Position (km) -5304.646 -5302.578
    Position Y (km) -2750.096 -2749.573
    Position Z (km) 3552.923 3551.514
    Velocity X (km/s) -3.997 4.546
    Velocity Y (km/s) -0.562 -1.037
    Velocity Z (km/s) -6.405 5.97

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F11 DEB STARLINK-5859
    Semimajor Axis (a) 6948.001 km 6950.189 km
    Eccentricity (e) 0.001612 0.000292
    Inclination (i) 98.7577° 69.9987°
    RAAN 19.1906° 196.5983°
    Perigee Argument 279.2189° 268.0358°
    Mean Anomaly (M) 80.7207° 92.0466°
    Apogee 581.066 km 574.083 km
    Perigee 558.662 km 570.021 km
    Orbit Epoch 2026-09-09T07:26:39+0000 2026-09-11T06:24:42+0000

    DMSP 5D-2 F11 DEB & STARLINK-5859 Collision Probability (Pc) Trend

    DMSP 5D-2 F11 DEB & STARLINK-5859 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F11 DEB & STARLINK-5859 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F11 DEB & STARLINK-5859 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F11 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5859Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F11 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5859Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F11 DEB

    No nearby objects data