Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.466962E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:00:18+0800
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    1 Object 1

    Name SLS DEB
    AOE ID 55905
    NORAD ID 55905
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 69840
    NORAD ID 69840
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SLS DEB STARLINK-37487
    Time of Closest Approach 2026-09-04T17:54:08+0000
    Collision Probability (Pc) 5.466962E-6
    Conjunction Distance (km) 1.234 km
    Relative Speed (km/s) 4.183 km/s
    Conjunction Risk Parameters R (Radial): -0.152 | I (In-track): 1.155 | C (Cross-track): 0.405
    Collision Risk Index (CRI) 0.5
    X Position (km) 5637.255 5637.014
    Position Y (km) 2528.842 2529.811
    Position Z (km) -2945.058 -2944.334
    Velocity X (km/s) -2.468 0.161
    Velocity Y (km/s) 7.141 5.626
    Velocity Z (km/s) 2.274 5.152

    Orbital Parameters 国际轨道数据源

    Parameter SLS DEB STARLINK-37487
    Semimajor Axis (a) 7350.189 km 6840.834 km
    Eccentricity (e) 0.083386 0.000097
    Inclination (i) 30.4711° 53.1611°
    RAAN 89.8157° 56.9525°
    Perigee Argument 320.8325° 75.6345°
    Mean Anomaly (M) 33.4686° 284.4765°
    Apogee 1584.958 km 463.362 km
    Perigee 359.146 km 462.032 km
    Orbit Epoch 2026-09-02T13:57:30+0000 2026-09-02T05:04:44+0000

    SLS DEB & STARLINK-37487 Collision Probability (Pc) Trend

    SLS DEB & STARLINK-37487 Collision Probability (Pc) TrendNot Available

    SLS DEB & STARLINK-37487 Miss Distance (Miss Distance) Trend

    SLS DEB & STARLINK-37487 Miss Distance (Miss Distance) TrendNot Available

    SLS DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37487Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SLS DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37487Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SLS DEB

    No nearby objects data