Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.00953E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:54:02+0800
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    1 Object 1

    AOE ID 50175
    NORAD ID 50175
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53151
    NORAD ID 53151
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3291 STARLINK-4040
    Time of Closest Approach 2026-10-21T02:36:54+0000
    Collision Probability (Pc) 1.00953E-6
    Conjunction Distance (km) 2.904 km
    Relative Speed (km/s) 8.391 km/s
    Conjunction Risk Parameters R (Radial): -2.902 | I (In-track): -0.076 | C (Cross-track): -0.054
    Collision Risk Index (CRI) 0.35
    X Position (km) -4788.505 -4786.451
    Position Y (km) 1115.337 1114.955
    Position Z (km) -4764.031 -4762.013
    Velocity X (km/s) 1.397 -4.287
    Velocity Y (km/s) -6.864 -5.541
    Velocity Z (km/s) -3.014 3.015

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3291 STARLINK-4040
    Semimajor Axis (a) 6840.876 km 6837.868 km
    Eccentricity (e) 0.000134 0.000135
    Inclination (i) 53.1577° 53.1587°
    RAAN 309.9405° 222.2684°
    Perigee Argument 91.2148° 89.0055°
    Mean Anomaly (M) 268.9008° 271.1103°
    Apogee 463.655 km 460.657 km
    Perigee 461.823 km 458.805 km
    Orbit Epoch 2026-10-19T01:06:39+0000 2026-10-19T05:34:23+0000

    STARLINK-3291 & STARLINK-4040 Collision Probability (Pc) Trend

    STARLINK-3291 & STARLINK-4040 Collision Probability (Pc) TrendNot Available

    STARLINK-3291 & STARLINK-4040 Miss Distance (Miss Distance) Trend

    STARLINK-3291 & STARLINK-4040 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3291Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4040Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3291Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4040Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3291

    No nearby objects data