Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    3.268253E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:17:20+0800
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    1 Object 1

    Name M-5 DEB
    AOE ID 27489
    NORAD ID 27489
    Object Type DEBRIS
    Country
    JP JP
    VS

    2 Object 2

    AOE ID 48148
    NORAD ID 48148
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter M-5 DEB STARLINK-2491
    Time of Closest Approach 2026-09-04T17:07:25+0000
    Collision Probability (Pc) 3.268253E-6
    Conjunction Distance (km) 1.598 km
    Relative Speed (km/s) 6.811 km/s
    Conjunction Risk Parameters R (Radial): 0.885 | I (In-track): -0.998 | C (Cross-track): 0.88
    Collision Risk Index (CRI) 0.45
    X Position (km) -5278.31 -5279.02
    Position Y (km) -2500.201 -2499.416
    Position Z (km) 3566.761 3567.957
    Velocity X (km/s) 4.902 -0.271
    Velocity Y (km/s) -7.694 -6.063
    Velocity Z (km/s) -0.513 -4.632

    Orbital Parameters 国际轨道数据源

    Parameter M-5 DEB STARLINK-2491
    Semimajor Axis (a) 12079.986 km 6848.906 km
    Eccentricity (e) 0.449876 0.000113
    Inclination (i) 31.4348° 53.1596°
    RAAN 118.5336° 61.8261°
    Perigee Argument 111.6746° 100.0753°
    Mean Anomaly (M) 344.7072° 260.0377°
    Apogee 11136.343 km 471.545 km
    Perigee 267.355 km 469.993 km
    Orbit Epoch 2026-09-03T19:02:07+0000 2026-09-02T17:32:16+0000

    M-5 DEB & STARLINK-2491 Collision Probability (Pc) Trend

    M-5 DEB & STARLINK-2491 Collision Probability (Pc) TrendNot Available

    M-5 DEB & STARLINK-2491 Miss Distance (Miss Distance) Trend

    M-5 DEB & STARLINK-2491 Miss Distance (Miss Distance) TrendNot Available

    M-5 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2491Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    M-5 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2491Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with M-5 DEB

    No nearby objects data