Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.340086E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:18:07+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53844
    NORAD ID 53844
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 54802
    NORAD ID 54802
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4745 STARLINK-5426
    Time of Closest Approach 2026-10-21T15:20:39+0000
    Collision Probability (Pc) 6.340086E-6
    Conjunction Distance (km) 1.247 km
    Relative Speed (km/s) 5.517 km/s
    Conjunction Risk Parameters R (Radial): 0.623 | I (In-track): -1.006 | C (Cross-track): 0.393
    Collision Risk Index (CRI) 0.51
    X Position (km) 1576.103 1575.239
    Position Y (km) -4111.355 -4112.117
    Position Z (km) -5239.038 -5239.514
    Velocity X (km/s) 7.394 5.883
    Velocity Y (km/s) 0.574 4.516
    Velocity Z (km/s) 1.775 -1.775

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4745 STARLINK-5426
    Semimajor Axis (a) 6837.860 km 6838.861 km
    Eccentricity (e) 0.000144 0.000215
    Inclination (i) 53.1579° 53.1606°
    RAAN 5.3327° 58.4057°
    Perigee Argument 89.9460° 326.4420°
    Mean Anomaly (M) 270.1708° 33.6446°
    Apogee 460.707 km 462.198 km
    Perigee 458.739 km 459.250 km
    Orbit Epoch 2026-10-19T05:51:33+0000 2026-10-19T09:06:49+0000

    STARLINK-4745 & STARLINK-5426 Collision Probability (Pc) Trend

    STARLINK-4745 & STARLINK-5426 Collision Probability (Pc) TrendNot Available

    STARLINK-4745 & STARLINK-5426 Miss Distance (Miss Distance) Trend

    STARLINK-4745 & STARLINK-5426 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4745Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5426Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4745Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5426Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4745

    No nearby objects data