Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    3.195135E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:16:49+0800
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    1 Object 1

    AOE ID 59737
    NORAD ID 59737
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 63297
    NORAD ID 63297
    Object Type UNKNOWN
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-31821 OBJECT G
    Time of Closest Approach 2026-09-05T01:32:57+0000
    Collision Probability (Pc) 3.195135E-5
    Conjunction Distance (km) 0.94 km
    Relative Speed (km/s) 13.779 km/s
    Conjunction Risk Parameters R (Radial): 0.636 | I (In-track): -0.305 | C (Cross-track): -0.62
    Collision Risk Index (CRI) 0.65
    X Position (km) -5120.123 -5119.195
    Position Y (km) -2758.432 -2758.573
    Position Z (km) -3643.948 -3643.948
    Velocity X (km/s) 1.322 2.948
    Velocity Y (km/s) -6.759 2.95
    Velocity Z (km/s) 3.262 -6.379

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31821 OBJECT G
    Semimajor Axis (a) 6861.224 km 6861.119 km
    Eccentricity (e) 0.000138 0.000706
    Inclination (i) 43.0015° 97.6576°
    RAAN 271.1953° 30.6273°
    Perigee Argument 272.8080° 240.0200°
    Mean Anomaly (M) 87.2614° 120.0339°
    Apogee 484.032 km 487.826 km
    Perigee 482.142 km 478.138 km
    Orbit Epoch 2026-09-01T09:53:33+0000 2026-09-02T14:27:22+0000

    STARLINK-31821 & OBJECT G Collision Probability (Pc) Trend

    STARLINK-31821 & OBJECT G Collision Probability (Pc) TrendNot Available

    STARLINK-31821 & OBJECT G Miss Distance (Miss Distance) Trend

    STARLINK-31821 & OBJECT G Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31821Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT GMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31821Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT GCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31821

    No nearby objects data