Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.189528E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T09:47:55+0800
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    1 Object 1

    AOE ID 52697
    NORAD ID 52697
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 52746
    NORAD ID 52746
    Object Type PAYLOAD
    Country
    CA CA

    Conjunction Constraints

    Parameter STARLINK-4018 GHGSAT-C4
    Time of Closest Approach 2026-09-04T15:11:03+0000
    Collision Probability (Pc) 1.189528E-6
    Conjunction Distance (km) 2.385 km
    Relative Speed (km/s) 6.603 km/s
    Conjunction Risk Parameters R (Radial): 0.118 | I (In-track): -2.147 | C (Cross-track): -1.03
    Collision Risk Index (CRI) 0.37
    X Position (km) -4698.189 -4698.486
    Position Y (km) -3824.133 -3825.271
    Position Z (km) 3162.435 3160.361
    Velocity X (km/s) 1.236 -3.441
    Velocity Y (km/s) -5.656 -1.32
    Velocity Z (km/s) -4.986 -6.694

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4018 GHGSAT-C4
    Semimajor Axis (a) 6837.927 km 6838.501 km
    Eccentricity (e) 0.000054 0.000602
    Inclination (i) 53.1605° 97.6634°
    RAAN 74.5156° 32.9945°
    Perigee Argument 99.6537° 176.9106°
    Mean Anomaly (M) 243.8099° 183.2175°
    Apogee 460.161 km 464.484 km
    Perigee 459.419 km 456.244 km
    Orbit Epoch 2026-09-02T00:00:02+0000 2026-09-02T14:01:48+0000

    STARLINK-4018 & GHGSAT-C4 Collision Probability (Pc) Trend

    STARLINK-4018 & GHGSAT-C4 Collision Probability (Pc) TrendNot Available

    STARLINK-4018 & GHGSAT-C4 Miss Distance (Miss Distance) Trend

    STARLINK-4018 & GHGSAT-C4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4018Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    GHGSAT-C4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4018Collision Probability Trend

    Object 1 Probability TrendNot Available

    GHGSAT-C4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4018

    No nearby objects data