Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.268638E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T10:09:46+0800
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    1 Object 1

    AOE ID 58703
    NORAD ID 58703
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59186
    NORAD ID 59186
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 18 STARLINK-31403
    Time of Closest Approach 2026-10-19T23:46:24+0000
    Collision Probability (Pc) 1.268638E-6
    Conjunction Distance (km) 2.964 km
    Relative Speed (km/s) 13.125 km/s
    Conjunction Risk Parameters R (Radial): 2.841 | I (In-track): 0.426 | C (Cross-track): 0.731
    Collision Risk Index (CRI) 0.37
    X Position (km) -3080.52 -3078.52
    Position Y (km) 4341.646 4339.94
    Position Z (km) -4336.801 -4335.432
    Velocity X (km/s) -1.703 -4.942
    Velocity Y (km/s) 4.605 -5.459
    Velocity Z (km/s) 5.821 -1.956

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 18 STARLINK-31403
    Semimajor Axis (a) 6861.049 km 6861.178 km
    Eccentricity (e) 0.000378 0.000135
    Inclination (i) 97.4647° 43.0000°
    RAAN 117.8553° 254.2395°
    Perigee Argument 261.7989° 263.6497°
    Mean Anomaly (M) 98.2821° 96.4201°
    Apogee 485.509 km 483.971 km
    Perigee 480.315 km 482.111 km
    Orbit Epoch 2026-10-18T14:55:59+0000 2026-10-18T05:53:33+0000

    TIANMU-1 18 & STARLINK-31403 Collision Probability (Pc) Trend

    TIANMU-1 18 & STARLINK-31403 Collision Probability (Pc) TrendNot Available

    TIANMU-1 18 & STARLINK-31403 Miss Distance (Miss Distance) Trend

    TIANMU-1 18 & STARLINK-31403 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31403Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31403Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 18

    No nearby objects data