Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.556553E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T05:23:13+0800
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    1 Object 1

    Name CS1
    AOE ID 49261
    NORAD ID 49261
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 53720
    NORAD ID 53720
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter CS1 STARLINK-4642
    Time of Closest Approach 2026-09-04T01:21:30+0000
    Collision Probability (Pc) 8.556553E-6
    Conjunction Distance (km) 1.386 km
    Relative Speed (km/s) 14.346 km/s
    Conjunction Risk Parameters R (Radial): 1.078 | I (In-track): 0.294 | C (Cross-track): -0.819
    Collision Risk Index (CRI) 0.54
    X Position (km) 3060.752 3061.713
    Position Y (km) -4433.127 -4433.18
    Position Z (km) 4205.776 4206.772
    Velocity X (km/s) -3.665 6.519
    Velocity Y (km/s) 3.122 0.787
    Velocity Z (km/s) 5.927 -3.903

    Orbital Parameters 国际轨道数据源

    Parameter CS1 STARLINK-4642
    Semimajor Axis (a) 6834.143 km 6840.933 km
    Eccentricity (e) 0.001225 0.000120
    Inclination (i) 97.3682° 53.1587°
    RAAN 308.7828° 167.2729°
    Perigee Argument 155.9727° 74.8226°
    Mean Anomaly (M) 204.2091° 285.2909°
    Apogee 464.376 km 463.617 km
    Perigee 447.636 km 461.975 km
    Orbit Epoch 2026-09-02T10:07:15+0000 2026-09-02T14:24:13+0000

    CS1 & STARLINK-4642 Collision Probability (Pc) Trend

    CS1 & STARLINK-4642 Collision Probability (Pc) TrendNot Available

    CS1 & STARLINK-4642 Miss Distance (Miss Distance) Trend

    CS1 & STARLINK-4642 Miss Distance (Miss Distance) TrendNot Available

    CS1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4642Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    CS1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4642Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with CS1

    No nearby objects data