Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.186329E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T21:32:10+0800
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    1 Object 1

    AOE ID 52121
    NORAD ID 52121
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66900
    NORAD ID 66900
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3678 STARLINK-36074
    Time of Closest Approach 2026-10-23T13:21:35+0000
    Collision Probability (Pc) 4.186329E-6
    Conjunction Distance (km) 1.493 km
    Relative Speed (km/s) 7.194 km/s
    Conjunction Risk Parameters R (Radial): -0.385 | I (In-track): 1.275 | C (Cross-track): -0.674
    Collision Risk Index (CRI) 0.47
    X Position (km) -4529.344 -4529.407
    Position Y (km) 1034.56 1033.096
    Position Z (km) 5011.574 5011.294
    Velocity X (km/s) 1.075 -4.074
    Velocity Y (km/s) -7.158 -5.983
    Velocity Z (km/s) 2.442 -2.442

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3678 STARLINK-36074
    Semimajor Axis (a) 6840.859 km 6840.796 km
    Eccentricity (e) 0.000120 0.000121
    Inclination (i) 53.1615° 53.1607°
    RAAN 126.0162° 51.5714°
    Perigee Argument 90.1020° 74.0085°
    Mean Anomaly (M) 270.0120° 286.1051°
    Apogee 463.545 km 463.488 km
    Perigee 461.899 km 461.830 km
    Orbit Epoch 2026-10-20T19:24:54+0000 2026-10-21T07:43:10+0000

    STARLINK-3678 & STARLINK-36074 Collision Probability (Pc) Trend

    STARLINK-3678 & STARLINK-36074 Collision Probability (Pc) TrendNot Available

    STARLINK-3678 & STARLINK-36074 Miss Distance (Miss Distance) Trend

    STARLINK-3678 & STARLINK-36074 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3678Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36074Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3678Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36074Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3678

    No nearby objects data