Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.401558E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T22:55:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 55770
    NORAD ID 55770
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61737
    NORAD ID 61737
    Object Type UNKNOWN
    Country
    TBD TBD

    Conjunction Constraints

    Parameter STARLINK-5557 OBJECT C
    Time of Closest Approach 2026-10-25T16:54:13+0000
    Collision Probability (Pc) 1.401558E-6
    Conjunction Distance (km) 2.78 km
    Relative Speed (km/s) 13.478 km/s
    Conjunction Risk Parameters R (Radial): -2.621 | I (In-track): -0.424 | C (Cross-track): -0.82
    Collision Risk Index (CRI) 0.38
    X Position (km) -842.187 -841.51
    Position Y (km) 2306.539 2306.484
    Position Z (km) 6496.45 6493.755
    Velocity X (km/s) -7.496 4.83
    Velocity Y (km/s) -0.841 -5.275
    Velocity Z (km/s) -0.672 2.499

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5557 OBJECT C
    Semimajor Axis (a) 6950.181 km 6950.822 km
    Eccentricity (e) 0.000317 0.000648
    Inclination (i) 70.0011° 97.3158°
    RAAN 8.9610° 128.5813°
    Perigee Argument 268.9286° 7.4751°
    Mean Anomaly (M) 91.1511° 352.6568°
    Apogee 574.245 km 577.192 km
    Perigee 569.843 km 568.178 km
    Orbit Epoch 2026-10-23T22:49:17+0000 2026-10-24T06:55:38+0000

    STARLINK-5557 & OBJECT C Collision Probability (Pc) Trend

    STARLINK-5557 & OBJECT C Collision Probability (Pc) TrendNot Available

    STARLINK-5557 & OBJECT C Miss Distance (Miss Distance) Trend

    STARLINK-5557 & OBJECT C Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5557Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    OBJECT CMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5557Collision Probability Trend

    Object 1 Probability TrendNot Available

    OBJECT CCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5557

    No nearby objects data