Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.448293E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:43:31+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53682
    NORAD ID 53682
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 66239
    NORAD ID 66239
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4438 STARLINK-35554
    Time of Closest Approach 2026-10-21T10:36:46+0000
    Collision Probability (Pc) 1.448293E-6
    Conjunction Distance (km) 2.767 km
    Relative Speed (km/s) 14.102 km/s
    Conjunction Risk Parameters R (Radial): 2.614 | I (In-track): -0.331 | C (Cross-track): 0.845
    Collision Risk Index (CRI) 0.38
    X Position (km) -5039.506 -5041.074
    Position Y (km) 224.051 224.897
    Position Z (km) -4636.032 -4638.148
    Velocity X (km/s) -5.014 2.709
    Velocity Y (km/s) 1.537 -6.336
    Velocity Z (km/s) 5.531 -3.257

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4438 STARLINK-35554
    Semimajor Axis (a) 6843.694 km 6848.799 km
    Eccentricity (e) 0.000238 0.000264
    Inclination (i) 97.2842° 53.1559°
    RAAN 168.3957° 324.7159°
    Perigee Argument 88.2223° 108.7044°
    Mean Anomaly (M) 271.9292° 251.4244°
    Apogee 467.185 km 472.473 km
    Perigee 463.929 km 468.851 km
    Orbit Epoch 2026-10-19T02:25:12+0000 2026-10-19T02:46:21+0000

    STARLINK-4438 & STARLINK-35554 Collision Probability (Pc) Trend

    STARLINK-4438 & STARLINK-35554 Collision Probability (Pc) TrendNot Available

    STARLINK-4438 & STARLINK-35554 Miss Distance (Miss Distance) Trend

    STARLINK-4438 & STARLINK-35554 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4438Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35554Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4438Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35554Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4438

    No nearby objects data