Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.282973E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T20:45:25+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 51887
    NORAD ID 51887
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52334
    NORAD ID 52334
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3551 STARLINK-3880
    Time of Closest Approach 2026-10-21T07:32:58+0000
    Collision Probability (Pc) 1.282973E-6
    Conjunction Distance (km) 2.755 km
    Relative Speed (km/s) 11.312 km/s
    Conjunction Risk Parameters R (Radial): -2.753 | I (In-track): 0.057 | C (Cross-track): -0.068
    Collision Risk Index (CRI) 0.37
    X Position (km) -2536.035 -2537.137
    Position Y (km) -5563.161 -5565.363
    Position Z (km) -3077.492 -3078.726
    Velocity X (km/s) 5.713 3.606
    Velocity Y (km/s) 0.187 -4.434
    Velocity Z (km/s) -5.054 5.053

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3551 STARLINK-3880
    Semimajor Axis (a) 6840.879 km 6843.335 km
    Eccentricity (e) 0.000074 0.000149
    Inclination (i) 53.1613° 53.1591°
    RAAN 48.0731° 275.2447°
    Perigee Argument 83.3818° 86.9775°
    Mean Anomaly (M) 276.7269° 273.1397°
    Apogee 463.246 km 466.217 km
    Perigee 462.238 km 464.179 km
    Orbit Epoch 2026-10-20T07:10:17+0000 2026-10-19T16:35:44+0000

    STARLINK-3551 & STARLINK-3880 Collision Probability (Pc) Trend

    STARLINK-3551 & STARLINK-3880 Collision Probability (Pc) TrendNot Available

    STARLINK-3551 & STARLINK-3880 Miss Distance (Miss Distance) Trend

    STARLINK-3551 & STARLINK-3880 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3551Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3880Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3551Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3880Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3551

    No nearby objects data