Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.811196E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-27T09:00:19+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52610
    NORAD ID 52610
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 65915
    NORAD ID 65915
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3998 STARLINK-35539
    Time of Closest Approach 2026-08-27T21:47:27+0000
    Collision Probability (Pc) 1.811196E-6
    Conjunction Distance (km) 2.269 km
    Relative Speed (km/s) 11.372 km/s
    Conjunction Risk Parameters R (Radial): 1.759 | I (In-track): -0.951 | C (Cross-track): -1.071
    Collision Risk Index (CRI) 0.4
    X Position (km) 2281.721 2283.637
    Position Y (km) 5709.268 5710.201
    Position Z (km) -3001.49 -3002.267
    Velocity X (km/s) -5.652 -3.802
    Velocity Y (km/s) -0.423 4.203
    Velocity Z (km/s) -5.111 5.111

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3998 STARLINK-35539
    Semimajor Axis (a) 6837.881 km 6840.791 km
    Eccentricity (e) 0.000128 0.000067
    Inclination (i) 53.1588° 53.1589°
    RAAN 234.2428° 100.3054°
    Perigee Argument 89.5841° 1.4612°
    Mean Anomaly (M) 270.5308° 358.6393°
    Apogee 460.618 km 463.109 km
    Perigee 458.870 km 462.199 km
    Orbit Epoch 2026-08-26T07:22:22+0000 2026-08-25T15:13:29+0000

    STARLINK-3998 & STARLINK-35539 Collision Probability (Pc) Trend

    STARLINK-3998 & STARLINK-35539 Collision Probability (Pc) TrendNot Available

    STARLINK-3998 & STARLINK-35539 Miss Distance (Miss Distance) Trend

    STARLINK-3998 & STARLINK-35539 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3998Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35539Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3998Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35539Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3998

    No nearby objects data