Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.315895E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-14T21:42:21+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 47399
    NORAD ID 47399
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64954
    NORAD ID 64954
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-2121 STARLINK-34761
    Time of Closest Approach 2026-10-15T03:22:25+0000
    Collision Probability (Pc) 1.315895E-6
    Conjunction Distance (km) 2.414 km
    Relative Speed (km/s) 8.159 km/s
    Conjunction Risk Parameters R (Radial): -1.453 | I (In-track): 1.626 | C (Cross-track): -1.034
    Collision Risk Index (CRI) 0.37
    X Position (km) 3811.864 3810.615
    Position Y (km) -3284.165 -3282.125
    Position Z (km) -4652.727 -4653.049
    Velocity X (km/s) 1.803 -4.72
    Velocity Y (km/s) 6.665 2.328
    Velocity Z (km/s) -3.23 -5.513

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-2121 STARLINK-34761
    Semimajor Axis (a) 6848.858 km 6843.682 km
    Eccentricity (e) 0.000055 0.000217
    Inclination (i) 53.1612° 97.2835°
    RAAN 101.9474° 145.0528°
    Perigee Argument 236.7080° 78.2798°
    Mean Anomaly (M) 123.3869° 281.8688°
    Apogee 471.096 km 467.030 km
    Perigee 470.346 km 464.060 km
    Orbit Epoch 2026-10-13T17:27:10+0000 2026-10-14T02:54:44+0000

    STARLINK-2121 & STARLINK-34761 Collision Probability (Pc) Trend

    STARLINK-2121 & STARLINK-34761 Collision Probability (Pc) TrendNot Available

    STARLINK-2121 & STARLINK-34761 Miss Distance (Miss Distance) Trend

    STARLINK-2121 & STARLINK-34761 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-2121Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34761Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-2121Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34761Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-2121

    No nearby objects data