Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.511677E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:12:12+0800
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    1 Object 1

    AOE ID 58685
    NORAD ID 58685
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66488
    NORAD ID 66488
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31121 STARLINK-35515
    Time of Closest Approach 2026-10-22T15:41:21+0000
    Collision Probability (Pc) 1.511677E-6
    Conjunction Distance (km) 2.206 km
    Relative Speed (km/s) 7.63 km/s
    Conjunction Risk Parameters R (Radial): -0.519 | I (In-track): 1.856 | C (Cross-track): 1.073
    Collision Risk Index (CRI) 0.39
    X Position (km) -1590.454 -1592.394
    Position Y (km) 5576.671 5575.66
    Position Z (km) -3671.007 -3670.73
    Velocity X (km/s) -5.784 -6.903
    Velocity Y (km/s) -3.771 0.149
    Velocity Z (km/s) -3.224 3.224

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31121 STARLINK-35515
    Semimajor Axis (a) 6861.153 km 6861.156 km
    Eccentricity (e) 0.000196 0.000154
    Inclination (i) 43.0022° 42.9985°
    RAAN 256.6679° 163.8278°
    Perigee Argument 272.1824° 266.4570°
    Mean Anomaly (M) 87.8803° 93.6105°
    Apogee 484.361 km 484.077 km
    Perigee 481.671 km 481.961 km
    Orbit Epoch 2026-10-20T06:11:10+0000 2026-10-19T23:34:37+0000

    STARLINK-31121 & STARLINK-35515 Collision Probability (Pc) Trend

    STARLINK-31121 & STARLINK-35515 Collision Probability (Pc) TrendNot Available

    STARLINK-31121 & STARLINK-35515 Miss Distance (Miss Distance) Trend

    STARLINK-31121 & STARLINK-35515 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35515Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35515Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31121

    No nearby objects data