Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.334081E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:31:19+0800
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    1 Object 1

    AOE ID 53871
    NORAD ID 53871
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 69846
    NORAD ID 69846
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4740 STARLINK-37603
    Time of Closest Approach 2026-09-04T16:55:03+0000
    Collision Probability (Pc) 2.334081E-6
    Conjunction Distance (km) 2 km
    Relative Speed (km/s) 10.712 km/s
    Conjunction Risk Parameters R (Radial): -1.037 | I (In-track): 1.218 | C (Cross-track): -1.199
    Collision Risk Index (CRI) 0.42
    X Position (km) -5515.688 -5514.371
    Position Y (km) -1617.422 -1618.817
    Position Z (km) 3700.609 3700.046
    Velocity X (km/s) 4.321 -1.254
    Velocity Y (km/s) -4.409 -6.045
    Velocity Z (km/s) 4.499 -4.499

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4740 STARLINK-37603
    Semimajor Axis (a) 6840.925 km 6840.568 km
    Eccentricity (e) 0.000142 0.000120
    Inclination (i) 53.1620° 53.1606°
    RAAN 177.5716° 58.4351°
    Perigee Argument 84.2338° 94.6420°
    Mean Anomaly (M) 275.8826° 265.4720°
    Apogee 463.759 km 463.254 km
    Perigee 461.817 km 461.608 km
    Orbit Epoch 2026-09-02T13:08:41+0000 2026-09-01T21:06:39+0000

    STARLINK-4740 & STARLINK-37603 Collision Probability (Pc) Trend

    STARLINK-4740 & STARLINK-37603 Collision Probability (Pc) TrendNot Available

    STARLINK-4740 & STARLINK-37603 Miss Distance (Miss Distance) Trend

    STARLINK-4740 & STARLINK-37603 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4740Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37603Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4740Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37603Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4740

    No nearby objects data