Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.619341E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-13T21:13:58+0800
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    1 Object 1

    AOE ID 52306
    NORAD ID 52306
    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-3747 GHGSAT-C4
    Time of Closest Approach 2026-10-13T17:32:00+0000
    Collision Probability (Pc) 1.619341E-6
    Conjunction Distance (km) 2.422 km
    Relative Speed (km/s) 11.718 km/s
    Conjunction Risk Parameters R (Radial): -2.411 | I (In-track): -0.136 | C (Cross-track): 0.17
    Collision Risk Index (CRI) 0.39
    X Position (km) -277.188 -277.209
    Position Y (km) -4094.131 -4092.538
    Position Z (km) 5464.004 5462.181
    Velocity X (km/s) 7.593 -2.097
    Velocity Y (km/s) -0.801 -5.835
    Velocity Z (km/s) -0.214 -4.462

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3747 GHGSAT-C4
    Semimajor Axis (a) 6840.918 km 6837.197 km
    Eccentricity (e) 0.000070 0.000696
    Inclination (i) 53.1597° 97.6690°
    RAAN 176.5076° 75.3575°
    Perigee Argument 90.0394° 54.0557°
    Mean Anomaly (M) 270.0688° 306.1331°
    Apogee 463.259 km 463.823 km
    Perigee 462.303 km 454.297 km
    Orbit Epoch 2026-10-12T22:22:30+0000 2026-10-13T07:36:12+0000

    STARLINK-3747 & GHGSAT-C4 Collision Probability (Pc) Trend

    STARLINK-3747 & GHGSAT-C4 Collision Probability (Pc) TrendNot Available

    STARLINK-3747 & GHGSAT-C4 Miss Distance (Miss Distance) Trend

    STARLINK-3747 & GHGSAT-C4 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3747Miss 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-3747Collision Probability Trend

    Object 1 Probability TrendNot Available

    GHGSAT-C4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3747

    No nearby objects data