Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.548079E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:47:12+0800
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    1 Object 1

    AOE ID 58662
    NORAD ID 58662
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59438
    NORAD ID 59438
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-31711
    Time of Closest Approach 2026-09-05T08:27:04+0000
    Collision Probability (Pc) 4.548079E-6
    Conjunction Distance (km) 1.688 km
    Relative Speed (km/s) 14.493 km/s
    Conjunction Risk Parameters R (Radial): 1.565 | I (In-track): 0.186 | C (Cross-track): 0.605
    Collision Risk Index (CRI) 0.48
    X Position (km) -5551.619 -5552.902
    Position Y (km) -1367.469 -1368.37
    Position Z (km) 3744.485 3745.11
    Velocity X (km/s) -4.31 4.15
    Velocity Y (km/s) 0.158 -4.616
    Velocity Z (km/s) -6.303 4.452

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-31711
    Semimajor Axis (a) 6835.038 km 6840.890 km
    Eccentricity (e) 0.000783 0.000142
    Inclination (i) 97.4569° 53.1598°
    RAAN 6.1180° 179.7053°
    Perigee Argument 48.7166° 89.6548°
    Mean Anomaly (M) 311.4750° 270.4617°
    Apogee 462.253 km 463.722 km
    Perigee 451.549 km 461.784 km
    Orbit Epoch 2026-09-02T14:09:55+0000 2026-09-02T02:06:02+0000

    TIANMU-1 21 & STARLINK-31711 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-31711 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-31711 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-31711 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31711Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31711Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data