Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.230354E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T17:09:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 59663
    NORAD ID 59663
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 17 STARLINK-31909
    Time of Closest Approach 2026-09-05T15:09:46+0000
    Collision Probability (Pc) 1.230354E-6
    Conjunction Distance (km) 2.462 km
    Relative Speed (km/s) 7.725 km/s
    Conjunction Risk Parameters R (Radial): 2.338 | I (In-track): -0.666 | C (Cross-track): 0.39
    Collision Risk Index (CRI) 0.37
    X Position (km) -1334.082 -1333.4
    Position Y (km) -6161.077 -6159.316
    Position Z (km) 2706.671 2705.093
    Velocity X (km/s) -1.687 5.546
    Velocity Y (km/s) -2.696 -3.07
    Velocity Z (km/s) -6.93 -4.242

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 17 STARLINK-31909
    Semimajor Axis (a) 6861.551 km 6861.182 km
    Eccentricity (e) 0.000698 0.000119
    Inclination (i) 97.4657° 43.0022°
    RAAN 73.0835° 119.7661°
    Perigee Argument 81.1526° 259.9873°
    Mean Anomaly (M) 279.0503° 100.0844°
    Apogee 488.205 km 483.861 km
    Perigee 478.623 km 482.229 km
    Orbit Epoch 2026-09-04T03:53:29+0000 2026-09-03T01:19:53+0000

    TIANMU-1 17 & STARLINK-31909 Collision Probability (Pc) Trend

    TIANMU-1 17 & STARLINK-31909 Collision Probability (Pc) TrendNot Available

    TIANMU-1 17 & STARLINK-31909 Miss Distance (Miss Distance) Trend

    TIANMU-1 17 & STARLINK-31909 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31909Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31909Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 17

    No nearby objects data