Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.615392E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T11:06:50+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 66540
    NORAD ID 66540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 18 STARLINK-35818
    Time of Closest Approach 2026-10-22T15:45:06+0000
    Collision Probability (Pc) 2.615392E-6
    Conjunction Distance (km) 1.811 km
    Relative Speed (km/s) 8.48 km/s
    Conjunction Risk Parameters R (Radial): 1.066 | I (In-track): 1.215 | C (Cross-track): -0.817
    Collision Risk Index (CRI) 0.43
    X Position (km) 2691.543 2690.893
    Position Y (km) -5210.606 -5210.693
    Position Z (km) -3567.983 -3566.295
    Velocity X (km/s) -2.824 4.857
    Velocity Y (km/s) 2.944 4.81
    Velocity Z (km/s) -6.434 -3.366

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 18 STARLINK-35818
    Semimajor Axis (a) 6860.953 km 6861.113 km
    Eccentricity (e) 0.000387 0.000083
    Inclination (i) 97.4640° 42.9972°
    RAAN 121.0683° 83.4571°
    Perigee Argument 246.0857° 308.2311°
    Mean Anomaly (M) 113.9977° 51.8466°
    Apogee 485.470 km 483.545 km
    Perigee 480.162 km 482.407 km
    Orbit Epoch 2026-10-21T19:57:50+0000 2026-10-21T10:30:19+0000

    TIANMU-1 18 & STARLINK-35818 Collision Probability (Pc) Trend

    TIANMU-1 18 & STARLINK-35818 Collision Probability (Pc) TrendNot Available

    TIANMU-1 18 & STARLINK-35818 Miss Distance (Miss Distance) Trend

    TIANMU-1 18 & STARLINK-35818 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35818Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35818Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 18

    No nearby objects data