Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    2.567666E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T23:45:43+0800
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    1 Object 1

    AOE ID 53182
    NORAD ID 53182
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65198
    NORAD ID 65198
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4278 STARLINK-34981
    Time of Closest Approach 2026-09-07T00:37:03+0000
    Collision Probability (Pc) 2.567666E-7
    Conjunction Distance (km) 2.587 km
    Relative Speed (km/s) 0.006 km/s
    Conjunction Risk Parameters R (Radial): -2.561 | I (In-track): 0.182 | C (Cross-track): -0.306
    Collision Risk Index (CRI) 0.23
    X Position (km) -1901.699 -1902.126
    Position Y (km) 3639.506 3640.757
    Position Z (km) 5457.535 5459.759
    Velocity X (km/s) -6.564 -6.565
    Velocity Y (km/s) -3.898 -3.893
    Velocity Z (km/s) 0.311 0.308

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4278 STARLINK-34981
    Semimajor Axis (a) 6837.888 km 6840.890 km
    Eccentricity (e) 0.000132 0.000137
    Inclination (i) 53.1600° 53.1605°
    RAAN 52.0375° 46.1834°
    Perigee Argument 85.7532° 70.7330°
    Mean Anomaly (M) 274.3622° 289.3820°
    Apogee 460.654 km 463.690 km
    Perigee 458.848 km 461.816 km
    Orbit Epoch 2026-09-02T20:15:25+0000 2026-09-04T01:53:45+0000

    STARLINK-4278 & STARLINK-34981 Collision Probability (Pc) Trend

    STARLINK-4278 & STARLINK-34981 Collision Probability (Pc) TrendNot Available

    STARLINK-4278 & STARLINK-34981 Miss Distance (Miss Distance) Trend

    STARLINK-4278 & STARLINK-34981 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4278Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4278Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4278

    No nearby objects data