Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.488246E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T16:18:43+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58046
    NORAD ID 58046
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4678 STARLINK-30548
    Time of Closest Approach 2026-09-05T04:22:16+0000
    Collision Probability (Pc) 1.488246E-6
    Conjunction Distance (km) 2.505 km
    Relative Speed (km/s) 11.254 km/s
    Conjunction Risk Parameters R (Radial): -2.5 | I (In-track): -0.082 | C (Cross-track): -0.098
    Collision Risk Index (CRI) 0.38
    X Position (km) 5361.12 5359.22
    Position Y (km) 2865.286 2864.126
    Position Z (km) -3152.489 -3151.343
    Velocity X (km/s) -4.709 -0.147
    Velocity Y (km/s) 3.324 5.764
    Velocity Z (km/s) -4.997 4.997

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 STARLINK-30548
    Semimajor Axis (a) 6843.373 km 6840.868 km
    Eccentricity (e) 0.000137 0.000125
    Inclination (i) 53.1611° 53.1605°
    RAAN 192.7293° 56.4538°
    Perigee Argument 82.9184° 93.0521°
    Mean Anomaly (M) 277.1974° 267.0625°
    Apogee 466.175 km 463.588 km
    Perigee 464.297 km 461.874 km
    Orbit Epoch 2026-09-03T13:53:55+0000 2026-09-04T00:23:07+0000

    STARLINK-4678 & STARLINK-30548 Collision Probability (Pc) Trend

    STARLINK-4678 & STARLINK-30548 Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & STARLINK-30548 Miss Distance (Miss Distance) Trend

    STARLINK-4678 & STARLINK-30548 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30548Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30548Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data