Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.633919E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T03:44:01+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51866
    NORAD ID 51866
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 69448
    NORAD ID 69448
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3553 STARLINK-37572
    Time of Closest Approach 2026-10-21T04:47:14+0000
    Collision Probability (Pc) 3.633919E-6
    Conjunction Distance (km) 1.385 km
    Relative Speed (km/s) 4.015 km/s
    Conjunction Risk Parameters R (Radial): 1.377 | I (In-track): 0.142 | C (Cross-track): -0.041
    Collision Risk Index (CRI) 0.46
    X Position (km) -2801.347 -2802.024
    Position Y (km) 3190.691 3191.238
    Position Z (km) 5350.095 5351.172
    Velocity X (km/s) -4.502 -6.578
    Velocity Y (km/s) -6.046 -3.681
    Velocity Z (km/s) 1.245 -1.247

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3553 STARLINK-37572
    Semimajor Axis (a) 6837.882 km 6840.813 km
    Eccentricity (e) 0.000118 0.000316
    Inclination (i) 53.1599° 53.1630°
    RAAN 70.2506° 31.0370°
    Perigee Argument 93.2784° 115.8149°
    Mean Anomaly (M) 266.8354° 244.3180°
    Apogee 460.552 km 464.840 km
    Perigee 458.938 km 460.512 km
    Orbit Epoch 2026-10-19T02:27:25+0000 2026-10-19T07:00:49+0000

    STARLINK-3553 & STARLINK-37572 Collision Probability (Pc) Trend

    STARLINK-3553 & STARLINK-37572 Collision Probability (Pc) TrendNot Available

    STARLINK-3553 & STARLINK-37572 Miss Distance (Miss Distance) Trend

    STARLINK-3553 & STARLINK-37572 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3553Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37572Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3553Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37572Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3553

    No nearby objects data