Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.738081E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:03:51+0800
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    1 Object 1

    AOE ID 54824
    NORAD ID 54824
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59613
    NORAD ID 59613
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4643 STARLINK-31746
    Time of Closest Approach 2026-10-30T00:53:02+0000
    Collision Probability (Pc) 2.738081E-4
    Conjunction Distance (km) 0.364 km
    Relative Speed (km/s) 7.619 km/s
    Conjunction Risk Parameters R (Radial): 0.312 | I (In-track): 0.165 | C (Cross-track): -0.089
    Collision Risk Index (CRI) 0.84
    X Position (km) 2484.169 2484.449
    Position Y (km) -5228.592 -5228.747
    Position Z (km) 3675.174 3675.345
    Velocity X (km/s) 5.092 6.846
    Velocity Y (km/s) 4.682 0.988
    Velocity Z (km/s) 3.215 -3.213

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4643 STARLINK-31746
    Semimajor Axis (a) 6861.271 km 6861.162 km
    Eccentricity (e) 0.000403 0.000150
    Inclination (i) 43.0007° 42.9991°
    RAAN 268.0369° 174.1078°
    Perigee Argument 290.5845° 271.3849°
    Mean Anomaly (M) 69.4575° 353.5679°
    Apogee 485.898 km 484.056 km
    Perigee 480.370 km 481.994 km
    Orbit Epoch 2026-10-27T06:44:50+0000 2026-10-27T06:00:04+0000

    STARLINK-4643 & STARLINK-31746 Collision Probability (Pc) Trend

    STARLINK-4643 & STARLINK-31746 Collision Probability (Pc) TrendNot Available

    STARLINK-4643 & STARLINK-31746 Miss Distance (Miss Distance) Trend

    STARLINK-4643 & STARLINK-31746 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4643Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31746Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4643Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31746Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4643

    No nearby objects data