Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.339168E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T08:57:05+0800
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    1 Object 1

    AOE ID 58702
    NORAD ID 58702
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59314
    NORAD ID 59314
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 17 STARLINK-31477
    Time of Closest Approach 2026-09-06T03:10:37+0000
    Collision Probability (Pc) 2.339168E-6
    Conjunction Distance (km) 2.141 km
    Relative Speed (km/s) 14.007 km/s
    Conjunction Risk Parameters R (Radial): -0.304 | I (In-track): 0.853 | C (Cross-track): 1.94
    Collision Risk Index (CRI) 0.42
    X Position (km) 1966.673 1968.634
    Position Y (km) 5792.158 5792.304
    Position Z (km) 3099.404 3098.559
    Velocity X (km/s) -0.049 -5.283
    Velocity Y (km/s) -3.599 3.885
    Velocity Z (km/s) 6.725 -3.895

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 17 STARLINK-31477
    Semimajor Axis (a) 6861.540 km 6861.187 km
    Eccentricity (e) 0.000697 0.000137
    Inclination (i) 97.4655° 43.0017°
    RAAN 73.7391° 292.7891°
    Perigee Argument 79.3868° 269.3678°
    Mean Anomaly (M) 280.8155° 90.7017°
    Apogee 488.183 km 483.990 km
    Perigee 478.623 km 482.110 km
    Orbit Epoch 2026-09-04T19:36:50+0000 2026-09-04T14:28:50+0000

    TIANMU-1 17 & STARLINK-31477 Collision Probability (Pc) Trend

    TIANMU-1 17 & STARLINK-31477 Collision Probability (Pc) TrendNot Available

    TIANMU-1 17 & STARLINK-31477 Miss Distance (Miss Distance) Trend

    TIANMU-1 17 & STARLINK-31477 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31477Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31477Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 17

    No nearby objects data