Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.208533E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:13:14+0800
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    1 Object 1

    AOE ID 49414
    NORAD ID 49414
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52484
    NORAD ID 52484
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3146 STARLINK-3887
    Time of Closest Approach 2026-10-20T07:57:42+0000
    Collision Probability (Pc) 2.208533E-6
    Conjunction Distance (km) 2.114 km
    Relative Speed (km/s) 12.162 km/s
    Conjunction Risk Parameters R (Radial): -1.959 | I (In-track): -0.474 | C (Cross-track): -0.632
    Collision Risk Index (CRI) 0.42
    X Position (km) -2125.81 -2124.45
    Position Y (km) 6444.617 6443.019
    Position Z (km) -895.133 -894.882
    Velocity X (km/s) -4.136 -4.63
    Velocity Y (km/s) -2.193 -0.696
    Velocity Z (km/s) -6.029 6.03

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3146 STARLINK-3887
    Semimajor Axis (a) 6843.393 km 6840.883 km
    Eccentricity (e) 0.000308 0.000137
    Inclination (i) 53.1554° 53.1598°
    RAAN 288.8269° 123.6628°
    Perigee Argument 102.0560° 92.6930°
    Mean Anomaly (M) 258.0787° 267.4230°
    Apogee 467.366 km 463.684 km
    Perigee 463.146 km 461.808 km
    Orbit Epoch 2026-10-18T23:51:27+0000 2026-10-18T05:58:42+0000

    STARLINK-3146 & STARLINK-3887 Collision Probability (Pc) Trend

    STARLINK-3146 & STARLINK-3887 Collision Probability (Pc) TrendNot Available

    STARLINK-3146 & STARLINK-3887 Miss Distance (Miss Distance) Trend

    STARLINK-3146 & STARLINK-3887 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3146Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3887Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3146Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3887Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3146

    No nearby objects data