Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    7.089359E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:14:13+0800
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    1 Object 1

    AOE ID 58746
    NORAD ID 58746
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    Name M-SEL
    AOE ID 63231
    NORAD ID 63231
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31181 M-SEL
    Time of Closest Approach 2026-10-21T15:12:51+0000
    Collision Probability (Pc) 7.089359E-6
    Conjunction Distance (km) 1.315 km
    Relative Speed (km/s) 8.444 km/s
    Conjunction Risk Parameters R (Radial): 0.956 | I (In-track): -0.751 | C (Cross-track): 0.5
    Collision Risk Index (CRI) 0.52
    X Position (km) 5761.474 5761.938
    Position Y (km) 1149.227 1148.931
    Position Z (km) 3535.713 3536.907
    Velocity X (km/s) 0.74 4.05
    Velocity Y (km/s) 6.787 -0.357
    Velocity Z (km/s) -3.402 -6.452

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31181 M-SEL
    Semimajor Axis (a) 6861.203 km 6860.308 km
    Eccentricity (e) 0.000107 0.000663
    Inclination (i) 43.0026° 97.3738°
    RAAN 239.3962° 185.3536°
    Perigee Argument 265.6381° 73.9777°
    Mean Anomaly (M) 94.4349° 286.2192°
    Apogee 483.799 km 486.720 km
    Perigee 482.333 km 477.622 km
    Orbit Epoch 2026-10-20T05:41:23+0000 2026-10-20T03:59:14+0000

    STARLINK-31181 & M-SEL Collision Probability (Pc) Trend

    STARLINK-31181 & M-SEL Collision Probability (Pc) TrendNot Available

    STARLINK-31181 & M-SEL Miss Distance (Miss Distance) Trend

    STARLINK-31181 & M-SEL Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31181Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    M-SELMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31181Collision Probability Trend

    Object 1 Probability TrendNot Available

    M-SELCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31181

    No nearby objects data