Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    4.275593E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T10:06:57+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name M-SEL
    AOE ID 63231
    NORAD ID 63231
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 66524
    NORAD ID 66524
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter M-SEL STARLINK-35687
    Time of Closest Approach 2026-09-05T20:30:06+0000
    Collision Probability (Pc) 4.275593E-6
    Conjunction Distance (km) 1.715 km
    Relative Speed (km/s) 14.186 km/s
    Conjunction Risk Parameters R (Radial): 1.554 | I (In-track): 0.255 | C (Cross-track): -0.679
    Collision Risk Index (CRI) 0.48
    X Position (km) 4888.865 4887.437
    Position Y (km) -4259.612 -4259.2
    Position Z (km) -2254.915 -2254.059
    Velocity X (km/s) -2.546 5.069
    Velocity Y (km/s) 0.845 3.409
    Velocity Z (km/s) -7.133 4.557

    Orbital Parameters 国际轨道数据源

    Parameter M-SEL STARLINK-35687
    Semimajor Axis (a) 6862.231 km 6861.157 km
    Eccentricity (e) 0.000330 0.000165
    Inclination (i) 97.3793° 42.9978°
    RAAN 139.3437° 349.3069°
    Perigee Argument 214.1994° 196.4720°
    Mean Anomaly (M) 145.9033° 163.6079°
    Apogee 486.362 km 484.151 km
    Perigee 481.826 km 481.889 km
    Orbit Epoch 2026-09-03T15:44:26+0000 2026-09-04T08:32:06+0000

    M-SEL & STARLINK-35687 Collision Probability (Pc) Trend

    M-SEL & STARLINK-35687 Collision Probability (Pc) TrendNot Available

    M-SEL & STARLINK-35687 Miss Distance (Miss Distance) Trend

    M-SEL & STARLINK-35687 Miss Distance (Miss Distance) TrendNot Available

    M-SELMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-35687Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    M-SELCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-35687Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with M-SEL

    No nearby objects data