Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.231006E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T09:50:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 54686
    NORAD ID 54686
    Object Type UNKNOWN
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59259
    NORAD ID 59259
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter OBJECT E STARLINK-31506
    Time of Closest Approach 2026-10-20T22:55:11+0000
    Collision Probability (Pc) 4.231006E-6
    Conjunction Distance (km) 1.667 km
    Relative Speed (km/s) 12.255 km/s
    Conjunction Risk Parameters R (Radial): 1.473 | I (In-track): -0.47 | C (Cross-track): -0.621
    Collision Risk Index (CRI) 0.48
    X Position (km) -1921.937 -1922.197
    Position Y (km) 3642.342 3641.732
    Position Z (km) -5471.429 -5469.9
    Velocity X (km/s) -1.267 -6.519
    Velocity Y (km/s) 6.037 -3.938
    Velocity Z (km/s) 4.472 -0.331

    Orbital Parameters 国际轨道数据源

    Parameter OBJECT E STARLINK-31506
    Semimajor Axis (a) 6836.733 km 6840.861 km
    Eccentricity (e) 0.000908 0.000147
    Inclination (i) 97.6946° 53.1584°
    RAAN 106.3242° 221.1479°
    Perigee Argument 86.0544° 79.2855°
    Mean Anomaly (M) 274.1737° 280.8314°
    Apogee 464.804 km 463.731 km
    Perigee 452.388 km 461.717 km
    Orbit Epoch 2026-10-19T20:34:14+0000 2026-10-19T05:07:01+0000

    OBJECT E & STARLINK-31506 Collision Probability (Pc) Trend

    OBJECT E & STARLINK-31506 Collision Probability (Pc) TrendNot Available

    OBJECT E & STARLINK-31506 Miss Distance (Miss Distance) Trend

    OBJECT E & STARLINK-31506 Miss Distance (Miss Distance) TrendNot Available

    OBJECT EMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31506Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OBJECT ECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31506Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OBJECT E

    No nearby objects data