Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.072913E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T21:18:07+0800
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    1 Object 1

    AOE ID 52640
    NORAD ID 52640
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 65480
    NORAD ID 65480
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3977 STARLINK-35040
    Time of Closest Approach 2026-10-17T04:30:20+0000
    Collision Probability (Pc) 1.072913E-6
    Conjunction Distance (km) 1.915 km
    Relative Speed (km/s) 2.395 km/s
    Conjunction Risk Parameters R (Radial): 0.256 | I (In-track): 1.874 | C (Cross-track): -0.296
    Collision Risk Index (CRI) 0.36
    X Position (km) -2888.596 -2889.852
    Position Y (km) -2991.179 -2989.748
    Position Z (km) -5439.075 -5438.872
    Velocity X (km/s) 6.076 4.755
    Velocity Y (km/s) -4.546 -5.915
    Velocity Z (km/s) -0.727 0.726

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3977 STARLINK-35040
    Semimajor Axis (a) 6840.865 km 6840.759 km
    Eccentricity (e) 0.000132 0.000137
    Inclination (i) 53.1617° 53.1595°
    RAAN 336.6699° 318.0176°
    Perigee Argument 89.7217° 86.0128°
    Mean Anomaly (M) 270.3937° 274.1031°
    Apogee 463.631 km 463.559 km
    Perigee 461.825 km 461.685 km
    Orbit Epoch 2026-10-15T04:27:57+0000 2026-10-14T08:05:14+0000

    STARLINK-3977 & STARLINK-35040 Collision Probability (Pc) Trend

    STARLINK-3977 & STARLINK-35040 Collision Probability (Pc) TrendNot Available

    STARLINK-3977 & STARLINK-35040 Miss Distance (Miss Distance) Trend

    STARLINK-3977 & STARLINK-35040 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3977Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35040Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3977Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35040Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3977

    No nearby objects data