Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.358448E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:38:49+0800
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    1 Object 1

    AOE ID 53411
    NORAD ID 53411
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 58394
    NORAD ID 58394
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4497 STARLINK-30887
    Time of Closest Approach 2026-10-20T07:03:17+0000
    Collision Probability (Pc) 1.358448E-6
    Conjunction Distance (km) 2.687 km
    Relative Speed (km/s) 11.722 km/s
    Conjunction Risk Parameters R (Radial): 2.653 | I (In-track): 0.269 | C (Cross-track): -0.329
    Collision Risk Index (CRI) 0.38
    X Position (km) -6134.814 -6137.078
    Position Y (km) -1779.389 -1780.489
    Position Z (km) 2433.189 2434.128
    Velocity X (km/s) 3.377 -0.646
    Velocity Y (km/s) -4.123 -5.289
    Velocity Z (km/s) 5.474 -5.473

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4497 STARLINK-30887
    Semimajor Axis (a) 6837.840 km 6840.866 km
    Eccentricity (e) 0.000111 0.000165
    Inclination (i) 53.1586° 53.1596°
    RAAN 185.6997° 37.4708°
    Perigee Argument 91.7821° 91.6948°
    Mean Anomaly (M) 268.3309° 268.4244°
    Apogee 460.462 km 463.857 km
    Perigee 458.944 km 461.601 km
    Orbit Epoch 2026-10-18T23:41:45+0000 2026-10-19T06:56:25+0000

    STARLINK-4497 & STARLINK-30887 Collision Probability (Pc) Trend

    STARLINK-4497 & STARLINK-30887 Collision Probability (Pc) TrendNot Available

    STARLINK-4497 & STARLINK-30887 Miss Distance (Miss Distance) Trend

    STARLINK-4497 & STARLINK-30887 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4497Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30887Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4497Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30887Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4497

    No nearby objects data