Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.344707E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:17:01+0800
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    1 Object 1

    AOE ID 52617
    NORAD ID 52617
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53276
    NORAD ID 53276
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3996 STARLINK-4174
    Time of Closest Approach 2026-10-30T06:09:05+0000
    Collision Probability (Pc) 1.344707E-6
    Conjunction Distance (km) 2.509 km
    Relative Speed (km/s) 9.519 km/s
    Conjunction Risk Parameters R (Radial): -2.423 | I (In-track): 0.504 | C (Cross-track): -0.408
    Collision Risk Index (CRI) 0.38
    X Position (km) 4475.022 4473.776
    Position Y (km) -2729.729 -2728.21
    Position Z (km) 4389.861 4388.301
    Velocity X (km/s) 0.498 5.724
    Velocity Y (km/s) 6.694 3.508
    Velocity Z (km/s) 3.644 -3.645

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3996 STARLINK-4174
    Semimajor Axis (a) 6843.325 km 6840.899 km
    Eccentricity (e) 0.000143 0.000129
    Inclination (i) 53.1605° 53.1593°
    RAAN 303.4670° 202.2442°
    Perigee Argument 78.4220° 96.2384°
    Mean Anomaly (M) 281.6943° 263.8766°
    Apogee 466.167 km 463.646 km
    Perigee 464.209 km 461.878 km
    Orbit Epoch 2026-10-27T07:32:08+0000 2026-10-27T02:33:56+0000

    STARLINK-3996 & STARLINK-4174 Collision Probability (Pc) Trend

    STARLINK-3996 & STARLINK-4174 Collision Probability (Pc) TrendNot Available

    STARLINK-3996 & STARLINK-4174 Miss Distance (Miss Distance) Trend

    STARLINK-3996 & STARLINK-4174 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3996Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4174Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3996Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4174Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3996

    No nearby objects data