Conjunction Event Detail

    ⚠
    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.11033E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:12:42+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 59661
    NORAD ID 59661
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 17 STARLINK-31880
    Time of Closest Approach 2026-10-21T09:09:02+0000
    Collision Probability (Pc) 1.11033E-5
    Conjunction Distance (km) 1.214 km
    Relative Speed (km/s) 10.855 km/s
    Conjunction Risk Parameters R (Radial): -1.191 | I (In-track): -0.16 | C (Cross-track): 0.164
    Collision Risk Index (CRI) 0.56
    X Position (km) -3074.043 -3073.328
    Position Y (km) 4053.974 4053.25
    Position Z (km) -4609.163 -4608.501
    Velocity X (km/s) -1.978 -6.486
    Velocity Y (km/s) 4.817 -3.891
    Velocity Z (km/s) 5.557 0.904

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 17 STARLINK-31880
    Semimajor Axis (a) 6860.344 km 6861.213 km
    Eccentricity (e) 0.000382 0.000104
    Inclination (i) 97.4629° 43.0038°
    RAAN 119.2451° 210.5448°
    Perigee Argument 279.3178° 273.1077°
    Mean Anomaly (M) 80.7628° 86.9656°
    Apogee 484.831 km 483.792 km
    Perigee 479.583 km 482.360 km
    Orbit Epoch 2026-10-20T06:36:57+0000 2026-10-20T03:41:00+0000

    TIANMU-1 17 & STARLINK-31880 Collision Probability (Pc) Trend

    TIANMU-1 17 & STARLINK-31880 Collision Probability (Pc) TrendNot Available

    TIANMU-1 17 & STARLINK-31880 Miss Distance (Miss Distance) Trend

    TIANMU-1 17 & STARLINK-31880 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31880Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31880Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 17

    No nearby objects data