Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.517617E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-25T10:36:57+0800
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    1 Object 1

    AOE ID 52635
    NORAD ID 52635
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58663
    NORAD ID 58663
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter STARLINK-3978 TIANMU-1 22
    Time of Closest Approach 2026-10-25T18:57:00+0000
    Collision Probability (Pc) 3.517617E-6
    Conjunction Distance (km) 1.815 km
    Relative Speed (km/s) 13.56 km/s
    Conjunction Risk Parameters R (Radial): 1.64 | I (In-track): -0.354 | C (Cross-track): -0.69
    Collision Risk Index (CRI) 0.46
    X Position (km) 3051.483 3052.908
    Position Y (km) 3290.937 3291.586
    Position Z (km) 5163.74 5164.657
    Velocity X (km/s) -3.53 -2.735
    Velocity Y (km/s) 6.459 -5.171
    Velocity Z (km/s) -2.025 4.9

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3978 TIANMU-1 22
    Semimajor Axis (a) 6848.874 km 6845.867 km
    Eccentricity (e) 0.000125 0.000254
    Inclination (i) 53.1610° 97.4613°
    RAAN 293.8494° 54.3029°
    Perigee Argument 84.1235° 222.7258°
    Mean Anomaly (M) 275.9909° 137.3787°
    Apogee 471.591 km 469.467 km
    Perigee 469.883 km 465.993 km
    Orbit Epoch 2026-10-24T06:27:25+0000 2026-10-24T06:41:49+0000

    STARLINK-3978 & TIANMU-1 22 Collision Probability (Pc) Trend

    STARLINK-3978 & TIANMU-1 22 Collision Probability (Pc) TrendNot Available

    STARLINK-3978 & TIANMU-1 22 Miss Distance (Miss Distance) Trend

    STARLINK-3978 & TIANMU-1 22 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3978Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANMU-1 22Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3978Collision Probability Trend

    Object 1 Probability TrendNot Available

    TIANMU-1 22Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3978

    No nearby objects data