Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.709648E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T22:41:59+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53210
    NORAD ID 53210
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58442
    NORAD ID 58442
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4427 STARLINK-30959
    Time of Closest Approach 2026-09-05T06:02:12+0000
    Collision Probability (Pc) 1.709648E-6
    Conjunction Distance (km) 2.505 km
    Relative Speed (km/s) 14.234 km/s
    Conjunction Risk Parameters R (Radial): -2.363 | I (In-track): -0.283 | C (Cross-track): -0.777
    Collision Risk Index (CRI) 0.4
    X Position (km) 3816.649 3818.617
    Position Y (km) -5369.523 -5371.049
    Position Z (km) -1912.625 -1912.892
    Velocity X (km/s) 0.397 3.934
    Velocity Y (km/s) -2.294 4.484
    Velocity Z (km/s) 7.258 -4.748

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4427 STARLINK-30959
    Semimajor Axis (a) 6854.374 km 6861.172 km
    Eccentricity (e) 0.000199 0.000123
    Inclination (i) 97.2830° 43.0030°
    RAAN 302.3774° 114.1232°
    Perigee Argument 92.4026° 241.8270°
    Mean Anomaly (M) 237.8819° 118.2457°
    Apogee 477.599 km 483.883 km
    Perigee 474.875 km 482.187 km
    Orbit Epoch 2026-09-04T08:00:02+0000 2026-09-04T00:54:04+0000

    STARLINK-4427 & STARLINK-30959 Collision Probability (Pc) Trend

    STARLINK-4427 & STARLINK-30959 Collision Probability (Pc) TrendNot Available

    STARLINK-4427 & STARLINK-30959 Miss Distance (Miss Distance) Trend

    STARLINK-4427 & STARLINK-30959 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4427Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30959Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4427Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30959Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4427

    No nearby objects data