Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.210301E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T00:08:35+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 46051
    NORAD ID 46051
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 52625
    NORAD ID 52625
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1540 STARLINK-3988
    Time of Closest Approach 2026-11-01T05:05:50+0000
    Collision Probability (Pc) 1.210301E-6
    Conjunction Distance (km) 2.979 km
    Relative Speed (km/s) 12.213 km/s
    Conjunction Risk Parameters R (Radial): -2.252 | I (In-track): -1.181 | C (Cross-track): 1.551
    Collision Risk Index (CRI) 0.37
    X Position (km) -10.372 -8.426
    Position Y (km) -6818.23 -6820.478
    Position Z (km) 489.151 489.326
    Velocity X (km/s) 4.589 4.59
    Velocity Y (km/s) -0.451 0.439
    Velocity Z (km/s) -6.091 6.089

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1540 STARLINK-3988
    Semimajor Axis (a) 6835.993 km 6837.837 km
    Eccentricity (e) 0.000065 0.000057
    Inclination (i) 53.1607° 53.1586°
    RAAN 108.7007° 278.7396°
    Perigee Argument 66.2764° 65.7011°
    Mean Anomaly (M) 293.8307° 294.4051°
    Apogee 458.300 km 460.090 km
    Perigee 457.412 km 459.310 km
    Orbit Epoch 2026-10-28T20:42:15+0000 2026-10-29T16:08:55+0000

    STARLINK-1540 & STARLINK-3988 Collision Probability (Pc) Trend

    STARLINK-1540 & STARLINK-3988 Collision Probability (Pc) TrendNot Available

    STARLINK-1540 & STARLINK-3988 Miss Distance (Miss Distance) Trend

    STARLINK-1540 & STARLINK-3988 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1540Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-3988Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1540Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-3988Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1540

    No nearby objects data