Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.432383E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T23:12:15+0800
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    1 Object 1

    AOE ID 15054
    NORAD ID 15054
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 56361
    NORAD ID 56361
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-12 R/B(AUX MOTOR) STARLINK-5550
    Time of Closest Approach 2026-09-10T19:40:52+0000
    Collision Probability (Pc) 5.432383E-6
    Conjunction Distance (km) 1.617 km
    Relative Speed (km/s) 15.51 km/s
    Conjunction Risk Parameters R (Radial): -1.561 | I (In-track): -0.029 | C (Cross-track): 0.417
    Collision Risk Index (CRI) 0.5
    X Position (km) -1466.874 -1466.83
    Position Y (km) -5167.536 -5168.871
    Position Z (km) -4373.943 -4374.854
    Velocity X (km/s) 8.123 -2.48
    Velocity Y (km/s) 2.387 -4.201
    Velocity Z (km/s) -3.403 5.801

    Orbital Parameters 国际轨道数据源

    Parameter SL-12 R/B(AUX MOTOR) STARLINK-5550
    Semimajor Axis (a) 12529.213 km 6921.320 km
    Eccentricity (e) 0.467021 0.000170
    Inclination (i) 52.0188° 97.2844°
    RAAN 36.9364° 247.6386°
    Perigee Argument 258.6066° 118.0722°
    Mean Anomaly (M) 47.2682° 350.4295°
    Apogee 12002.483 km 544.359 km
    Perigee 299.669 km 542.007 km
    Orbit Epoch 2026-09-08T10:07:56+0000 2026-09-10T06:00:02+0000

    SL-12 R/B(AUX MOTOR) & STARLINK-5550 Collision Probability (Pc) Trend

    SL-12 R/B(AUX MOTOR) & STARLINK-5550 Collision Probability (Pc) TrendNot Available

    SL-12 R/B(AUX MOTOR) & STARLINK-5550 Miss Distance (Miss Distance) Trend

    SL-12 R/B(AUX MOTOR) & STARLINK-5550 Miss Distance (Miss Distance) TrendNot Available

    SL-12 R/B(AUX MOTOR)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5550Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-12 R/B(AUX MOTOR)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5550Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-12 R/B(AUX MOTOR)

    No nearby objects data