Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    6.40789E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T19:50:39+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 50848
    NORAD ID 50848
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53728
    NORAD ID 53728
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3315 STARLINK-4640
    Time of Closest Approach 2026-10-30T19:50:26+0000
    Collision Probability (Pc) 6.40789E-6
    Conjunction Distance (km) 1.316 km
    Relative Speed (km/s) 7.305 km/s
    Conjunction Risk Parameters R (Radial): -0.466 | I (In-track): 1.08 | C (Cross-track): 0.589
    Collision Risk Index (CRI) 0.51
    X Position (km) 2886.737 2887.506
    Position Y (km) -3666.655 -3665.644
    Position Z (km) 4992.459 4992.119
    Velocity X (km/s) 6.924 3.618
    Velocity Y (km/s) 2.052 6.25
    Velocity Z (km/s) -2.49 2.49

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3315 STARLINK-4640
    Semimajor Axis (a) 6840.834 km 6840.884 km
    Eccentricity (e) 0.000144 0.000146
    Inclination (i) 53.1564° 53.1581°
    RAAN 195.1577° 268.5051°
    Perigee Argument 92.5629° 96.0057°
    Mean Anomaly (M) 138.5500° 85.9943°
    Apogee 463.683 km 463.743 km
    Perigee 461.711 km 461.751 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T22:00:02+0000

    STARLINK-3315 & STARLINK-4640 Collision Probability (Pc) Trend

    STARLINK-3315 & STARLINK-4640 Collision Probability (Pc) TrendNot Available

    STARLINK-3315 & STARLINK-4640 Miss Distance (Miss Distance) Trend

    STARLINK-3315 & STARLINK-4640 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3315Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4640Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3315Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4640Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3315

    No nearby objects data