Conjunction Event Detail

    High Risk
    High collision probability. Maneuver recommended for primary asset.
    1.171762E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T08:42:25+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 58943
    NORAD ID 58943
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 21 STARLINK-31346
    Time of Closest Approach 2026-09-13T11:46:36+0000
    Collision Probability (Pc) 1.171762E-4
    Conjunction Distance (km) 0.617 km
    Relative Speed (km/s) 13.912 km/s
    Conjunction Risk Parameters R (Radial): -0.601 | I (In-track): 0.058 | C (Cross-track): -0.121
    Collision Risk Index (CRI) 0.76
    X Position (km) -4310.367 -4310.744
    Position Y (km) -2004.347 -2004.4
    Position Z (km) 4908.741 4909.226
    Velocity X (km/s) -5.496 5.302
    Velocity Y (km/s) -0.984 -4.798
    Velocity Z (km/s) -5.209 2.689

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 21 STARLINK-31346
    Semimajor Axis (a) 6834.684 km 6840.896 km
    Eccentricity (e) 0.000713 0.000192
    Inclination (i) 97.4581° 53.1604°
    RAAN 14.3010° 168.2701°
    Perigee Argument 22.1089° 95.7949°
    Mean Anomaly (M) 338.0460° 264.3273°
    Apogee 461.419 km 464.071 km
    Perigee 451.675 km 461.447 km
    Orbit Epoch 2026-09-10T15:59:20+0000 2026-09-10T11:35:21+0000

    TIANMU-1 21 & STARLINK-31346 Collision Probability (Pc) Trend

    TIANMU-1 21 & STARLINK-31346 Collision Probability (Pc) TrendNot Available

    TIANMU-1 21 & STARLINK-31346 Miss Distance (Miss Distance) Trend

    TIANMU-1 21 & STARLINK-31346 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 21Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31346Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 21Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31346Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 21

    No nearby objects data