Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.257582E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T14:13:57+0800
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    1 Object 1

    AOE ID 57821
    NORAD ID 57821
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58700
    NORAD ID 58700
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30415 TIANMU-1 15
    Time of Closest Approach 2026-10-21T01:37:47+0000
    Collision Probability (Pc) 1.257582E-6
    Conjunction Distance (km) 2.717 km
    Relative Speed (km/s) 10.554 km/s
    Conjunction Risk Parameters R (Radial): 0.533 | I (In-track): 1.927 | C (Cross-track): -1.84
    Collision Risk Index (CRI) 0.37
    X Position (km) 2062.026 2062.963
    Position Y (km) -4707.187 -4705.614
    Position Z (km) -4549.193 -4551.2
    Velocity X (km/s) 6.385 -3.208
    Velocity Y (km/s) 3.974 4.025
    Velocity Z (km/s) -1.218 -5.616

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30415 TIANMU-1 15
    Semimajor Axis (a) 6861.194 km 6860.654 km
    Eccentricity (e) 0.000198 0.000565
    Inclination (i) 43.0051° 97.4651°
    RAAN 51.3888° 119.2532°
    Perigee Argument 269.8631° 252.9105°
    Mean Anomaly (M) 90.1994° 107.1516°
    Apogee 484.417 km 486.392 km
    Perigee 481.697 km 478.642 km
    Orbit Epoch 2026-10-19T09:16:50+0000 2026-10-19T23:30:37+0000

    STARLINK-30415 & TIANMU-1 15 Collision Probability (Pc) Trend

    STARLINK-30415 & TIANMU-1 15 Collision Probability (Pc) TrendNot Available

    STARLINK-30415 & TIANMU-1 15 Miss Distance (Miss Distance) Trend

    STARLINK-30415 & TIANMU-1 15 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30415Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 15Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30415Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 15Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30415

    No nearby objects data