Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.079838E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T04:57:05+0800
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    1 Object 1

    AOE ID 53780
    NORAD ID 53780
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58891
    NORAD ID 58891
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4678 STARLINK-31245
    Time of Closest Approach 2026-10-20T09:30:45+0000
    Collision Probability (Pc) 1.079838E-4
    Conjunction Distance (km) 0.42 km
    Relative Speed (km/s) 2.289 km/s
    Conjunction Risk Parameters R (Radial): 0.314 | I (In-track): 0.277 | C (Cross-track): -0.043
    Collision Risk Index (CRI) 0.76
    X Position (km) -2495.053 -2495.163
    Position Y (km) -3321.332 -3321.013
    Position Z (km) -5442.44 -5442.19
    Velocity X (km/s) 6.573 5.48
    Velocity Y (km/s) -3.8 -5.254
    Velocity Z (km/s) -0.695 0.694

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4678 STARLINK-31245
    Semimajor Axis (a) 6840.860 km 6840.655 km
    Eccentricity (e) 0.000147 0.000150
    Inclination (i) 53.1595° 53.1583°
    RAAN 338.0803° 317.9988°
    Perigee Argument 95.1302° 67.6467°
    Mean Anomaly (M) 264.9869° 292.4695°
    Apogee 463.732 km 463.548 km
    Perigee 461.714 km 461.488 km
    Orbit Epoch 2026-10-19T12:02:48+0000 2026-10-19T04:10:30+0000

    STARLINK-4678 & STARLINK-31245 Collision Probability (Pc) Trend

    STARLINK-4678 & STARLINK-31245 Collision Probability (Pc) TrendNot Available

    STARLINK-4678 & STARLINK-31245 Miss Distance (Miss Distance) Trend

    STARLINK-4678 & STARLINK-31245 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31245Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31245Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4678

    No nearby objects data