Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.176076E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:29:38+0800
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    1 Object 1

    AOE ID 52642
    NORAD ID 52642
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 60286
    NORAD ID 60286
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3971 STARLINK-31656
    Time of Closest Approach 2026-10-21T01:54:49+0000
    Collision Probability (Pc) 1.176076E-6
    Conjunction Distance (km) 2.938 km
    Relative Speed (km/s) 11.276 km/s
    Conjunction Risk Parameters R (Radial): -2.936 | I (In-track): -0.052 | C (Cross-track): 0.058
    Collision Risk Index (CRI) 0.36
    X Position (km) -1649.151 -1649.934
    Position Y (km) 5843.374 5845.864
    Position Z (km) 3137.306 3138.654
    Velocity X (km/s) -5.667 -4.256
    Velocity Y (km/s) 1.098 -3.898
    Velocity Z (km/s) -5.005 5.004

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3971 STARLINK-31656
    Semimajor Axis (a) 6837.875 km 6840.869 km
    Eccentricity (e) 0.000119 0.000112
    Inclination (i) 53.1587° 53.1595°
    RAAN 313.2491° 89.3944°
    Perigee Argument 79.4614° 85.8062°
    Mean Anomaly (M) 280.6524° 274.3068°
    Apogee 460.555 km 463.497 km
    Perigee 458.921 km 461.967 km
    Orbit Epoch 2026-10-20T01:51:07+0000 2026-10-19T16:56:00+0000

    STARLINK-3971 & STARLINK-31656 Collision Probability (Pc) Trend

    STARLINK-3971 & STARLINK-31656 Collision Probability (Pc) TrendNot Available

    STARLINK-3971 & STARLINK-31656 Miss Distance (Miss Distance) Trend

    STARLINK-3971 & STARLINK-31656 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3971Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31656Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3971Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31656Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3971

    No nearby objects data