Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.065168E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T07:58:05+0800
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    1 Object 1

    AOE ID 57923
    NORAD ID 57923
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58647
    NORAD ID 58647
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-30440 TIANMU-1 13
    Time of Closest Approach 2026-10-22T14:02:15+0000
    Collision Probability (Pc) 2.065168E-6
    Conjunction Distance (km) 2.277 km
    Relative Speed (km/s) 14.299 km/s
    Conjunction Risk Parameters R (Radial): -1.322 | I (In-track): 0.636 | C (Cross-track): 1.741
    Collision Risk Index (CRI) 0.41
    X Position (km) -4894.933 -4894.626
    Position Y (km) 4609.235 4611.203
    Position Z (km) 1358.035 1359.137
    Velocity X (km/s) -3.164 -0.413
    Velocity Y (km/s) -4.835 1.755
    Velocity Z (km/s) 4.979 -7.409

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-30440 TIANMU-1 13
    Semimajor Axis (a) 6861.181 km 6860.711 km
    Eccentricity (e) 0.000133 0.000453
    Inclination (i) 43.0038° 97.3422°
    RAAN 142.6930° 312.9912°
    Perigee Argument 270.2847° 236.7222°
    Mean Anomaly (M) 89.7852° 123.3584°
    Apogee 483.958 km 485.682 km
    Perigee 482.130 km 479.466 km
    Orbit Epoch 2026-10-19T07:30:02+0000 2026-10-20T07:51:23+0000

    STARLINK-30440 & TIANMU-1 13 Collision Probability (Pc) Trend

    STARLINK-30440 & TIANMU-1 13 Collision Probability (Pc) TrendNot Available

    STARLINK-30440 & TIANMU-1 13 Miss Distance (Miss Distance) Trend

    STARLINK-30440 & TIANMU-1 13 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-30440Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 13Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-30440Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 13Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-30440

    No nearby objects data