Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.357728E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T15:35:18+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 63826
    NORAD ID 63826
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 18 STARLINK-33781
    Time of Closest Approach 2026-10-23T15:17:27+0000
    Collision Probability (Pc) 2.357728E-6
    Conjunction Distance (km) 2.139 km
    Relative Speed (km/s) 14.133 km/s
    Conjunction Risk Parameters R (Radial): 1.429 | I (In-track): 0.609 | C (Cross-track): -1.469
    Collision Risk Index (CRI) 0.42
    X Position (km) 3166.121 3164.408
    Position Y (km) -5520.138 -5519.932
    Position Z (km) -2573.079 -2571.816
    Velocity X (km/s) -2.331 6.087
    Velocity Y (km/s) 1.92 1.468
    Velocity Z (km/s) -6.997 4.346

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 18 STARLINK-33781
    Semimajor Axis (a) 6860.915 km 6861.139 km
    Eccentricity (e) 0.000390 0.000083
    Inclination (i) 97.4637° 43.0092°
    RAAN 122.1830° 332.5062°
    Perigee Argument 240.6341° 270.1463°
    Mean Anomaly (M) 119.4509° 89.9293°
    Apogee 485.454 km 483.573 km
    Perigee 480.102 km 482.431 km
    Orbit Epoch 2026-10-22T22:41:19+0000 2026-10-22T09:37:16+0000

    TIANMU-1 18 & STARLINK-33781 Collision Probability (Pc) Trend

    TIANMU-1 18 & STARLINK-33781 Collision Probability (Pc) TrendNot Available

    TIANMU-1 18 & STARLINK-33781 Miss Distance (Miss Distance) Trend

    TIANMU-1 18 & STARLINK-33781 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 18Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33781Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 18Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33781Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 18

    No nearby objects data