Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    4.633958E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:41:05+0800
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    1 Object 1

    AOE ID 59487
    NORAD ID 59487
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 67825
    NORAD ID 67825
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31657 STARLINK-36648
    Time of Closest Approach 2026-09-13T23:51:13+0000
    Collision Probability (Pc) 4.633958E-5
    Conjunction Distance (km) 0.707 km
    Relative Speed (km/s) 6.19 km/s
    Conjunction Risk Parameters R (Radial): -0.082 | I (In-track): -0.642 | C (Cross-track): 0.282
    Collision Risk Index (CRI) 0.68
    X Position (km) 3547.382 3547.876
    Position Y (km) 4185.579 4185.077
    Position Z (km) 4110.958 4110.905
    Velocity X (km/s) -6.52 -4.116
    Velocity Y (km/s) 3.09 5.926
    Velocity Z (km/s) 2.475 -2.474

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31657 STARLINK-36648
    Semimajor Axis (a) 6861.210 km 6861.174 km
    Eccentricity (e) 0.000120 0.000111
    Inclination (i) 43.0023° 43.0002°
    RAAN 11.4141° 299.2369°
    Perigee Argument 274.2554° 269.1579°
    Mean Anomaly (M) 85.8161° 90.9146°
    Apogee 483.895 km 483.798 km
    Perigee 482.251 km 482.276 km
    Orbit Epoch 2026-09-11T07:14:43+0000 2026-09-11T03:51:42+0000

    STARLINK-31657 & STARLINK-36648 Collision Probability (Pc) Trend

    STARLINK-31657 & STARLINK-36648 Collision Probability (Pc) TrendNot Available

    STARLINK-31657 & STARLINK-36648 Miss Distance (Miss Distance) Trend

    STARLINK-31657 & STARLINK-36648 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31657Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36648Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31657Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36648Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31657

    No nearby objects data