Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.953635E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:16:25+0800
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    1 Object 1

    AOE ID 53172
    NORAD ID 53172
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name TROLL
    AOE ID 62658
    NORAD ID 62658
    Object Type PAYLOAD
    Country
    CZ CZ

    Conjunction Constraints

    Parameter STARLINK-4299 TROLL
    Time of Closest Approach 2026-10-21T00:27:18+0000
    Collision Probability (Pc) 1.953635E-6
    Conjunction Distance (km) 2.356 km
    Relative Speed (km/s) 14.656 km/s
    Conjunction Risk Parameters R (Radial): 1.17 | I (In-track): -0.582 | C (Cross-track): -1.96
    Collision Risk Index (CRI) 0.41
    X Position (km) 6172.635 6174.399
    Position Y (km) 1340.536 1339.006
    Position Z (km) 2639.531 2639.215
    Velocity X (km/s) 1.142 -2.631
    Velocity Y (km/s) 5.323 -1.657
    Velocity Z (km/s) -5.352 6.97

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4299 TROLL
    Semimajor Axis (a) 6848.922 km 6847.607 km
    Eccentricity (e) 0.000156 0.000047
    Inclination (i) 53.1597° 97.3814°
    RAAN 218.8423° 13.7739°
    Perigee Argument 91.6418° 68.7834°
    Mean Anomaly (M) 268.4761° 291.3458°
    Apogee 471.851 km 469.792 km
    Perigee 469.719 km 469.148 km
    Orbit Epoch 2026-10-19T05:30:57+0000 2026-10-19T10:44:13+0000

    STARLINK-4299 & TROLL Collision Probability (Pc) Trend

    STARLINK-4299 & TROLL Collision Probability (Pc) TrendNot Available

    STARLINK-4299 & TROLL Miss Distance (Miss Distance) Trend

    STARLINK-4299 & TROLL Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4299Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TROLLMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4299Collision Probability Trend

    Object 1 Probability TrendNot Available

    TROLLCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4299

    No nearby objects data