Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.838053E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-12T20:52:41+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53784
    NORAD ID 53784
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 68820
    NORAD ID 68820
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4687 STARLINK-37470
    Time of Closest Approach 2026-10-13T03:07:42+0000
    Collision Probability (Pc) 1.838053E-6
    Conjunction Distance (km) 2.377 km
    Relative Speed (km/s) 13.628 km/s
    Conjunction Risk Parameters R (Radial): -2.374 | I (In-track): -0.04 | C (Cross-track): 0.086
    Collision Risk Index (CRI) 0.4
    X Position (km) 2513.732 2512.825
    Position Y (km) -3813.451 -3812.207
    Position Z (km) -5110.497 -5108.687
    Velocity X (km/s) 7.089 -4.279
    Velocity Y (km/s) 1.709 3.857
    Velocity Z (km/s) 2.214 -4.988

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4687 STARLINK-37470
    Semimajor Axis (a) 6848.851 km 6843.808 km
    Eccentricity (e) 0.000093 0.000256
    Inclination (i) 53.1587° 97.2839°
    RAAN 7.9545° 130.8065°
    Perigee Argument 79.3669° 104.2561°
    Mean Anomaly (M) 280.7436° 255.8967°
    Apogee 471.349 km 467.426 km
    Perigee 470.079 km 463.916 km
    Orbit Epoch 2026-10-11T12:16:40+0000 2026-10-12T07:20:26+0000

    STARLINK-4687 & STARLINK-37470 Collision Probability (Pc) Trend

    STARLINK-4687 & STARLINK-37470 Collision Probability (Pc) TrendNot Available

    STARLINK-4687 & STARLINK-37470 Miss Distance (Miss Distance) Trend

    STARLINK-4687 & STARLINK-37470 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4687Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37470Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4687Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37470Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4687

    No nearby objects data