Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.560155E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T05:09:42+0800
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    1 Object 1

    AOE ID 52649
    NORAD ID 52649
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53936
    NORAD ID 53936
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3868 STARLINK-4791
    Time of Closest Approach 2026-10-17T21:32:31+0000
    Collision Probability (Pc) 3.560155E-6
    Conjunction Distance (km) 1.398 km
    Relative Speed (km/s) 4.076 km/s
    Conjunction Risk Parameters R (Radial): -1.373 | I (In-track): -0.252 | C (Cross-track): -0.069
    Collision Risk Index (CRI) 0.46
    X Position (km) 1264.001 1263.997
    Position Y (km) 4066.046 4065.151
    Position Z (km) 5354.611 5353.537
    Velocity X (km/s) -6.552 -7.501
    Velocity Y (km/s) 3.708 0.66
    Velocity Z (km/s) -1.266 1.267

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3868 STARLINK-4791
    Semimajor Axis (a) 6848.893 km 6848.010 km
    Eccentricity (e) 0.000115 0.000175
    Inclination (i) 53.1601° 53.1620°
    RAAN 326.9899° 5.3176°
    Perigee Argument 80.6657° 65.6225°
    Mean Anomaly (M) 279.4475° 294.4958°
    Apogee 471.546 km 471.068 km
    Perigee 469.966 km 468.678 km
    Orbit Epoch 2026-10-17T02:18:25+0000 2026-10-17T05:32:47+0000

    STARLINK-3868 & STARLINK-4791 Collision Probability (Pc) Trend

    STARLINK-3868 & STARLINK-4791 Collision Probability (Pc) TrendNot Available

    STARLINK-3868 & STARLINK-4791 Miss Distance (Miss Distance) Trend

    STARLINK-3868 & STARLINK-4791 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3868Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4791Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3868Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4791Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3868

    No nearby objects data