Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    5.979417E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:31:23+0800
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    1 Object 1

    AOE ID 53004
    NORAD ID 53004
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 67696
    NORAD ID 67696
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4253 STARLINK-36401
    Time of Closest Approach 2026-10-21T08:39:25+0000
    Collision Probability (Pc) 5.979417E-6
    Conjunction Distance (km) 1.492 km
    Relative Speed (km/s) 12.176 km/s
    Conjunction Risk Parameters R (Radial): -1.419 | I (In-track): 0.267 | C (Cross-track): -0.373
    Collision Risk Index (CRI) 0.51
    X Position (km) -2437.938 -2437.367
    Position Y (km) -3311.013 -3310.727
    Position Z (km) 5466.88 5465.532
    Velocity X (km/s) 6.364 -4.835
    Velocity Y (km/s) -4.209 -3.852
    Velocity Z (km/s) 0.288 -4.479

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4253 STARLINK-36401
    Semimajor Axis (a) 6848.863 km 6843.655 km
    Eccentricity (e) 0.000177 0.000099
    Inclination (i) 53.1570° 97.2831°
    RAAN 158.8489° 41.8340°
    Perigee Argument 95.5947° 333.0205°
    Mean Anomaly (M) 264.5256° 27.0986°
    Apogee 471.936 km 466.197 km
    Perigee 469.516 km 464.839 km
    Orbit Epoch 2026-10-19T01:28:04+0000 2026-10-19T07:33:37+0000

    STARLINK-4253 & STARLINK-36401 Collision Probability (Pc) Trend

    STARLINK-4253 & STARLINK-36401 Collision Probability (Pc) TrendNot Available

    STARLINK-4253 & STARLINK-36401 Miss Distance (Miss Distance) Trend

    STARLINK-4253 & STARLINK-36401 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4253Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36401Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4253Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36401Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4253

    No nearby objects data