Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.350044E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T19:46:19+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54174
    NORAD ID 54174
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55946
    NORAD ID 55946
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5248 STARLINK-5857
    Time of Closest Approach 2026-10-20T07:35:37+0000
    Collision Probability (Pc) 4.350044E-6
    Conjunction Distance (km) 1.518 km
    Relative Speed (km/s) 8.246 km/s
    Conjunction Risk Parameters R (Radial): -1.495 | I (In-track): 0.218 | C (Cross-track): -0.135
    Collision Risk Index (CRI) 0.48
    X Position (km) 1032.427 1032.412
    Position Y (km) -4036.005 -4034.99
    Position Z (km) -5433.172 -5432.045
    Velocity X (km/s) 7.533 2.913
    Velocity Y (km/s) 0.878 5.911
    Velocity Z (km/s) 0.779 -3.837

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5248 STARLINK-5857
    Semimajor Axis (a) 6839.840 km 6854.313 km
    Eccentricity (e) 0.000142 0.000372
    Inclination (i) 53.1605° 70.0013°
    RAAN 13.7442° 81.6978°
    Perigee Argument 79.2763° 269.4741°
    Mean Anomaly (M) 280.8399° 355.1226°
    Apogee 462.673 km 478.728 km
    Perigee 460.733 km 473.624 km
    Orbit Epoch 2026-10-17T20:33:25+0000 2026-10-18T04:00:02+0000

    STARLINK-5248 & STARLINK-5857 Collision Probability (Pc) Trend

    STARLINK-5248 & STARLINK-5857 Collision Probability (Pc) TrendNot Available

    STARLINK-5248 & STARLINK-5857 Miss Distance (Miss Distance) Trend

    STARLINK-5248 & STARLINK-5857 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5248Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5857Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5248Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5857Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5248

    No nearby objects data