Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.843596E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T11:00:13+0800
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    1 Object 1

    AOE ID 53600
    NORAD ID 53600
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66391
    NORAD ID 66391
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4677 STARLINK-35656
    Time of Closest Approach 2026-10-23T02:34:51+0000
    Collision Probability (Pc) 2.843596E-6
    Conjunction Distance (km) 1.527 km
    Relative Speed (km/s) 4.424 km/s
    Conjunction Risk Parameters R (Radial): 0.532 | I (In-track): 1.371 | C (Cross-track): 0.412
    Collision Risk Index (CRI) 0.44
    X Position (km) 4243.237 4242.713
    Position Y (km) -574.722 -576.095
    Position Z (km) 5324.99 5324.578
    Velocity X (km/s) -0.729 2.692
    Velocity Y (km/s) 7.477 7.014
    Velocity Z (km/s) 1.384 -1.383

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4677 STARLINK-35656
    Semimajor Axis (a) 6840.868 km 6840.835 km
    Eccentricity (e) 0.000139 0.000140
    Inclination (i) 53.1612° 53.1572°
    RAAN 297.8718° 254.2693°
    Perigee Argument 88.3451° 95.5340°
    Mean Anomaly (M) 271.7711° 264.5822°
    Apogee 463.682 km 463.653 km
    Perigee 461.780 km 461.743 km
    Orbit Epoch 2026-10-20T00:46:28+0000 2026-10-20T06:55:03+0000

    STARLINK-4677 & STARLINK-35656 Collision Probability (Pc) Trend

    STARLINK-4677 & STARLINK-35656 Collision Probability (Pc) TrendNot Available

    STARLINK-4677 & STARLINK-35656 Miss Distance (Miss Distance) Trend

    STARLINK-4677 & STARLINK-35656 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4677Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35656Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4677Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35656Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4677

    No nearby objects data