Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.421572E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T16:11:01+0800
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    1 Object 1

    AOE ID 58646
    NORAD ID 58646
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59515
    NORAD ID 59515
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 12 STARLINK-31669
    Time of Closest Approach 2026-10-20T10:59:48+0000
    Collision Probability (Pc) 1.421572E-6
    Conjunction Distance (km) 2.823 km
    Relative Speed (km/s) 14.338 km/s
    Conjunction Risk Parameters R (Radial): 2.821 | I (In-track): 0.035 | C (Cross-track): -0.099
    Collision Risk Index (CRI) 0.38
    X Position (km) -4700.281 -4698.279
    Position Y (km) 4970.148 4968.166
    Position Z (km) 555.06 554.881
    Velocity X (km/s) 0.286 -3.773
    Velocity Y (km/s) 1.118 -4.152
    Velocity Z (km/s) -7.535 5.166

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 12 STARLINK-31669
    Semimajor Axis (a) 6860.719 km 6861.190 km
    Eccentricity (e) 0.000556 0.000110
    Inclination (i) 97.3397° 43.0022°
    RAAN 311.2878° 138.7561°
    Perigee Argument 271.0546° 264.2070°
    Mean Anomaly (M) 89.0057° 95.8656°
    Apogee 486.398 km 483.810 km
    Perigee 478.766 km 482.296 km
    Orbit Epoch 2026-10-18T22:04:36+0000 2026-10-18T15:01:39+0000

    TIANMU-1 12 & STARLINK-31669 Collision Probability (Pc) Trend

    TIANMU-1 12 & STARLINK-31669 Collision Probability (Pc) TrendNot Available

    TIANMU-1 12 & STARLINK-31669 Miss Distance (Miss Distance) Trend

    TIANMU-1 12 & STARLINK-31669 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31669Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31669Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 12

    No nearby objects data