Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.562105E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T13:47:11+0800
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    1 Object 1

    AOE ID 52737
    NORAD ID 52737
    Object Type PAYLOAD
    Country
    CA CA
    ← VS →

    2 Object 2

    AOE ID 53715
    NORAD ID 53715
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter GHGSAT-C3 STARLINK-4686
    Time of Closest Approach 2026-10-21T14:39:02+0000
    Collision Probability (Pc) 2.562105E-6
    Conjunction Distance (km) 2.07 km
    Relative Speed (km/s) 14.237 km/s
    Conjunction Risk Parameters R (Radial): 2.032 | I (In-track): 0.148 | C (Cross-track): -0.364
    Collision Risk Index (CRI) 0.43
    X Position (km) -1023.135 -1023.19
    Position Y (km) -5100.775 -5099.321
    Position Z (km) -4453.057 -4451.587
    Velocity X (km/s) -0.355 5.304
    Velocity Y (km/s) 5.045 -4.168
    Velocity Z (km/s) -5.702 3.559

    Orbital Parameters 国际轨道数据源

    Parameter GHGSAT-C3 STARLINK-4686
    Semimajor Axis (a) 6836.893 km 6840.876 km
    Eccentricity (e) 0.000661 0.000113
    Inclination (i) 97.6763° 53.1596°
    RAAN 83.5487° 309.1872°
    Perigee Argument 48.4434° 84.9514°
    Mean Anomaly (M) 311.7375° 275.1617°
    Apogee 463.274 km 463.514 km
    Perigee 454.238 km 461.964 km
    Orbit Epoch 2026-10-19T22:35:51+0000 2026-10-19T08:10:21+0000

    GHGSAT-C3 & STARLINK-4686 Collision Probability (Pc) Trend

    GHGSAT-C3 & STARLINK-4686 Collision Probability (Pc) TrendNot Available

    GHGSAT-C3 & STARLINK-4686 Miss Distance (Miss Distance) Trend

    GHGSAT-C3 & STARLINK-4686 Miss Distance (Miss Distance) TrendNot Available

    GHGSAT-C3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4686Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    GHGSAT-C3Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4686Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with GHGSAT-C3

    No nearby objects data