Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.684426E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-16T17:36:34+0800
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    1 Object 1

    AOE ID 58661
    NORAD ID 58661
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 66387
    NORAD ID 66387
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 20 STARLINK-35661
    Time of Closest Approach 2026-10-18T06:58:11+0000
    Collision Probability (Pc) 1.684426E-6
    Conjunction Distance (km) 2.535 km
    Relative Speed (km/s) 14.38 km/s
    Conjunction Risk Parameters R (Radial): -1.268 | I (In-track): 0.732 | C (Cross-track): -2.068
    Collision Risk Index (CRI) 0.4
    X Position (km) -3972.633 -3975.153
    Position Y (km) -3784.502 -3784.249
    Position Z (km) -4090.009 -4089.916
    Velocity X (km/s) 2.406 1.743
    Velocity Y (km/s) 3.997 -6.217
    Velocity Z (km/s) -6.038 4.062

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 20 STARLINK-35661
    Semimajor Axis (a) 6840.757 km 6840.791 km
    Eccentricity (e) 0.000565 0.000089
    Inclination (i) 97.4557° 53.1584°
    RAAN 46.8675° 271.2250°
    Perigee Argument 245.1427° 77.6847°
    Mean Anomaly (M) 114.9228° 282.4256°
    Apogee 466.486 km 463.267 km
    Perigee 458.754 km 462.041 km
    Orbit Epoch 2026-10-15T23:14:55+0000 2026-10-15T08:50:24+0000

    TIANMU-1 20 & STARLINK-35661 Collision Probability (Pc) Trend

    TIANMU-1 20 & STARLINK-35661 Collision Probability (Pc) TrendNot Available

    TIANMU-1 20 & STARLINK-35661 Miss Distance (Miss Distance) Trend

    TIANMU-1 20 & STARLINK-35661 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 20Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35661Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 20Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35661Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 20

    No nearby objects data