Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.781506E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T08:41:03+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53531
    NORAD ID 53531
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64932
    NORAD ID 64932
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4487 STARLINK-34705
    Time of Closest Approach 2026-09-13T22:20:16+0000
    Collision Probability (Pc) 1.781506E-6
    Conjunction Distance (km) 2.478 km
    Relative Speed (km/s) 14.753 km/s
    Conjunction Risk Parameters R (Radial): -2.35 | I (In-track): -0.208 | C (Cross-track): 0.755
    Collision Risk Index (CRI) 0.4
    X Position (km) 2850.371 2848.743
    Position Y (km) -6201.479 -6199.678
    Position Z (km) -587.113 -586.625
    Velocity X (km/s) 4.386 -1.149
    Velocity Y (km/s) 1.449 0.176
    Velocity Z (km/s) 6.074 -7.542

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4487 STARLINK-34705
    Semimajor Axis (a) 6848.871 km 6843.715 km
    Eccentricity (e) 0.000107 0.000121
    Inclination (i) 53.1598° 97.2840°
    RAAN 309.9243° 113.2419°
    Perigee Argument 76.9800° 76.0364°
    Mean Anomaly (M) 283.1320° 58.1834°
    Apogee 471.465 km 466.407 km
    Perigee 470.003 km 464.749 km
    Orbit Epoch 2026-09-11T10:51:23+0000 2026-09-11T20:00:01+0000

    STARLINK-4487 & STARLINK-34705 Collision Probability (Pc) Trend

    STARLINK-4487 & STARLINK-34705 Collision Probability (Pc) TrendNot Available

    STARLINK-4487 & STARLINK-34705 Miss Distance (Miss Distance) Trend

    STARLINK-4487 & STARLINK-34705 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4487Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34705Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4487Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34705Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4487

    No nearby objects data