Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.787485E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T00:01:34+0800
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    1 Object 1

    AOE ID 55451
    NORAD ID 55451
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66860
    NORAD ID 66860
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5656 STARLINK-35987
    Time of Closest Approach 2026-09-11T17:40:44+0000
    Collision Probability (Pc) 9.787485E-7
    Conjunction Distance (km) 1.755 km
    Relative Speed (km/s) 1.286 km/s
    Conjunction Risk Parameters R (Radial): 1.12 | I (In-track): 1.347 | C (Cross-track): -0.116
    Collision Risk Index (CRI) 0.35
    X Position (km) 487.808 489.232
    Position Y (km) -5015.171 -5015.858
    Position Z (km) -4659.619 -4660.381
    Velocity X (km/s) 7.598 7.513
    Velocity Y (km/s) 0.297 1.166
    Velocity Z (km/s) 0.477 -0.467

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5656 STARLINK-35987
    Semimajor Axis (a) 6861.194 km 6861.148 km
    Eccentricity (e) 0.000224 0.000074
    Inclination (i) 43.0049° 42.9960°
    RAAN 0.8881° 25.7967°
    Perigee Argument 287.6832° 176.3792°
    Mean Anomaly (M) 72.3775° 183.7065°
    Apogee 484.596 km 483.520 km
    Perigee 481.518 km 482.502 km
    Orbit Epoch 2026-09-11T07:03:50+0000 2026-09-09T09:36:08+0000

    STARLINK-5656 & STARLINK-35987 Collision Probability (Pc) Trend

    STARLINK-5656 & STARLINK-35987 Collision Probability (Pc) TrendNot Available

    STARLINK-5656 & STARLINK-35987 Miss Distance (Miss Distance) Trend

    STARLINK-5656 & STARLINK-35987 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5656Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35987Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5656Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35987Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5656

    No nearby objects data