Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.919998E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T17:57:55+0800
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    1 Object 1

    AOE ID 53595
    NORAD ID 53595
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 57401
    NORAD ID 57401
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-4684 TIANMU-1 09
    Time of Closest Approach 2026-10-29T03:44:38+0000
    Collision Probability (Pc) 1.919998E-6
    Conjunction Distance (km) 2.21 km
    Relative Speed (km/s) 11.412 km/s
    Conjunction Risk Parameters R (Radial): 1.79 | I (In-track): 0.864 | C (Cross-track): 0.966
    Collision Risk Index (CRI) 0.41
    X Position (km) 3851.169 3851.673
    Position Y (km) -1467.757 -1467.125
    Position Z (km) 5460.137 5462.194
    Velocity X (km/s) 2.175 -6.141
    Velocity Y (km/s) 7.305 0.63
    Velocity Z (km/s) 0.428 4.49

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4684 TIANMU-1 09
    Semimajor Axis (a) 6848.854 km 6850.665 km
    Eccentricity (e) 0.000111 0.000435
    Inclination (i) 53.1615° 97.2387°
    RAAN 268.9669° 346.6672°
    Perigee Argument 71.9518° 52.4751°
    Mean Anomaly (M) 288.1604° 307.6886°
    Apogee 471.476 km 475.511 km
    Perigee 469.958 km 469.545 km
    Orbit Epoch 2026-10-26T08:01:57+0000 2026-10-26T22:10:54+0000

    STARLINK-4684 & TIANMU-1 09 Collision Probability (Pc) Trend

    STARLINK-4684 & TIANMU-1 09 Collision Probability (Pc) TrendNot Available

    STARLINK-4684 & TIANMU-1 09 Miss Distance (Miss Distance) Trend

    STARLINK-4684 & TIANMU-1 09 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4684Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 09Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4684Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 09Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4684

    No nearby objects data