Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.317714E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:32:58+0800
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    1 Object 1

    AOE ID 56129
    NORAD ID 56129
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66616
    NORAD ID 66616
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-6121 STARLINK-35391
    Time of Closest Approach 2026-10-22T14:28:59+0000
    Collision Probability (Pc) 2.317714E-6
    Conjunction Distance (km) 1.558 km
    Relative Speed (km/s) 3.503 km/s
    Conjunction Risk Parameters R (Radial): -0.496 | I (In-track): 1.438 | C (Cross-track): 0.336
    Collision Risk Index (CRI) 0.42
    X Position (km) 4199.86 4199.307
    Position Y (km) -2984.194 -2985.612
    Position Z (km) 4521.277 4521.607
    Velocity X (km/s) 3.358 5.244
    Velocity Y (km/s) 6.722 5.38
    Velocity Z (km/s) 1.315 -1.314

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-6121 STARLINK-35391
    Semimajor Axis (a) 6861.217 km 6861.170 km
    Eccentricity (e) 0.000031 0.000167
    Inclination (i) 43.0002° 43.0007°
    RAAN 266.8999° 228.3357°
    Perigee Argument 338.1408° 283.4619°
    Mean Anomaly (M) 21.9431° 76.6047°
    Apogee 483.290 km 484.179 km
    Perigee 482.870 km 481.887 km
    Orbit Epoch 2026-10-20T08:47:58+0000 2026-10-20T05:32:15+0000

    STARLINK-6121 & STARLINK-35391 Collision Probability (Pc) Trend

    STARLINK-6121 & STARLINK-35391 Collision Probability (Pc) TrendNot Available

    STARLINK-6121 & STARLINK-35391 Miss Distance (Miss Distance) Trend

    STARLINK-6121 & STARLINK-35391 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-6121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35391Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-6121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35391Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-6121

    No nearby objects data