Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.700309E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T12:07:45+0800
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    1 Object 1

    AOE ID 53433
    NORAD ID 53433
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 68272
    NORAD ID 68272
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4549 STARLINK-36974
    Time of Closest Approach 2026-09-13T01:26:42+0000
    Collision Probability (Pc) 1.700309E-6
    Conjunction Distance (km) 2.388 km
    Relative Speed (km/s) 12.157 km/s
    Conjunction Risk Parameters R (Radial): 2.073 | I (In-track): -0.722 | C (Cross-track): 0.941
    Collision Risk Index (CRI) 0.4
    X Position (km) 6384.985 6386.528
    Position Y (km) -2244.087 -2245.886
    Position Z (km) 977.173 977.464
    Velocity X (km/s) 0.706 2.361
    Velocity Y (km/s) 4.654 4.072
    Velocity Z (km/s) 6.015 -6.014

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4549 STARLINK-36974
    Semimajor Axis (a) 6837.860 km 6840.881 km
    Eccentricity (e) 0.000123 0.000096
    Inclination (i) 53.1606° 53.1573°
    RAAN 346.0138° 180.3864°
    Perigee Argument 121.6465° 85.8053°
    Mean Anomaly (M) 238.4658° 274.3059°
    Apogee 460.564 km 463.403 km
    Perigee 458.882 km 462.085 km
    Orbit Epoch 2026-09-10T14:02:08+0000 2026-09-10T03:55:41+0000

    STARLINK-4549 & STARLINK-36974 Collision Probability (Pc) Trend

    STARLINK-4549 & STARLINK-36974 Collision Probability (Pc) TrendNot Available

    STARLINK-4549 & STARLINK-36974 Miss Distance (Miss Distance) Trend

    STARLINK-4549 & STARLINK-36974 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4549Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36974Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4549Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36974Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4549

    No nearby objects data