Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    5.187792E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:14:24+0800
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    1 Object 1

    AOE ID 53255
    NORAD ID 53255
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66604
    NORAD ID 66604
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4142 STARLINK-35977
    Time of Closest Approach 2026-09-05T00:32:03+0000
    Collision Probability (Pc) 5.187792E-7
    Conjunction Distance (km) 2.792 km
    Relative Speed (km/s) 2.119 km/s
    Conjunction Risk Parameters R (Radial): -2.776 | I (In-track): 0.283 | C (Cross-track): 0.037
    Collision Risk Index (CRI) 0.29
    X Position (km) -1446.091 -1445.307
    Position Y (km) -5455.24 -5453.182
    Position Z (km) 3898.714 3896.999
    Velocity X (km/s) 4.609 6.045
    Velocity Y (km/s) -4.299 -3.659
    Velocity Z (km/s) -4.292 -2.871

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4142 STARLINK-35977
    Semimajor Axis (a) 6864.368 km 6861.217 km
    Eccentricity (e) 0.000150 0.000159
    Inclination (i) 53.1607° 42.9997°
    RAAN 112.8100° 133.8380°
    Perigee Argument 76.3013° 269.2343°
    Mean Anomaly (M) 283.8154° 90.8326°
    Apogee 487.265 km 484.169 km
    Perigee 485.197 km 481.991 km
    Orbit Epoch 2026-09-03T14:56:57+0000 2026-09-03T02:29:16+0000

    STARLINK-4142 & STARLINK-35977 Collision Probability (Pc) Trend

    STARLINK-4142 & STARLINK-35977 Collision Probability (Pc) TrendNot Available

    STARLINK-4142 & STARLINK-35977 Miss Distance (Miss Distance) Trend

    STARLINK-4142 & STARLINK-35977 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4142Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35977Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4142Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35977Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4142

    No nearby objects data