Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.647422E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T07:13:30+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53576
    NORAD ID 53576
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64863
    NORAD ID 64863
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4581 STARLINK-34690
    Time of Closest Approach 2026-09-04T11:54:16+0000
    Collision Probability (Pc) 1.647422E-6
    Conjunction Distance (km) 2.528 km
    Relative Speed (km/s) 13.746 km/s
    Conjunction Risk Parameters R (Radial): 2.522 | I (In-track): 0.074 | C (Cross-track): 0.163
    Collision Risk Index (CRI) 0.39
    X Position (km) 27.138 26.982
    Position Y (km) -4658.238 -4656.6
    Position Z (km) -5027.808 -5025.889
    Velocity X (km/s) 6.74 -1.454
    Velocity Y (km/s) -2.59 5.481
    Velocity Z (km/s) 2.437 -5.091

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4581 STARLINK-34690
    Semimajor Axis (a) 6848.892 km 6843.682 km
    Eccentricity (e) 0.000085 0.000211
    Inclination (i) 53.1612° 97.2850°
    RAAN 337.3558° 96.1049°
    Perigee Argument 97.7992° 92.4609°
    Mean Anomaly (M) 262.3107° 267.6875°
    Apogee 471.340 km 466.987 km
    Perigee 470.170 km 464.103 km
    Orbit Epoch 2026-09-01T16:51:21+0000 2026-09-02T07:14:03+0000

    STARLINK-4581 & STARLINK-34690 Collision Probability (Pc) Trend

    STARLINK-4581 & STARLINK-34690 Collision Probability (Pc) TrendNot Available

    STARLINK-4581 & STARLINK-34690 Miss Distance (Miss Distance) Trend

    STARLINK-4581 & STARLINK-34690 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4581Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34690Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4581Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34690Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4581

    No nearby objects data