Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.717949E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:57:14+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 53038
    NORAD ID 53038
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 64689
    NORAD ID 64689
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4156 STARLINK-34538
    Time of Closest Approach 2026-10-29T21:35:05+0000
    Collision Probability (Pc) 1.717949E-6
    Conjunction Distance (km) 1.621 km
    Relative Speed (km/s) 2.562 km/s
    Conjunction Risk Parameters R (Radial): -0.856 | I (In-track): 1.357 | C (Cross-track): -0.232
    Collision Risk Index (CRI) 0.4
    X Position (km) 4083.108 4082.322
    Position Y (km) 828.94 830.184
    Position Z (km) -5433.493 -5432.815
    Velocity X (km/s) -0.499 -2.492
    Velocity Y (km/s) 7.567 7.163
    Velocity Z (km/s) 0.779 -0.779

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4156 STARLINK-34538
    Semimajor Axis (a) 6840.857 km 6840.837 km
    Eccentricity (e) 0.000196 0.000179
    Inclination (i) 53.1595° 53.1580°
    RAAN 102.0853° 126.0003°
    Perigee Argument 90.6521° 94.3835°
    Mean Anomaly (M) 269.4705° 265.7372°
    Apogee 464.059 km 463.926 km
    Perigee 461.381 km 461.474 km
    Orbit Epoch 2026-10-27T04:17:15+0000 2026-10-27T05:55:09+0000

    STARLINK-4156 & STARLINK-34538 Collision Probability (Pc) Trend

    STARLINK-4156 & STARLINK-34538 Collision Probability (Pc) TrendNot Available

    STARLINK-4156 & STARLINK-34538 Miss Distance (Miss Distance) Trend

    STARLINK-4156 & STARLINK-34538 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4156Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34538Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4156Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34538Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4156

    No nearby objects data