Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.074527E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T21:15:11+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52648
    NORAD ID 52648
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59000
    NORAD ID 59000
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-3854 STARLINK-31529
    Time of Closest Approach 2026-10-29T10:51:49+0000
    Collision Probability (Pc) 4.074527E-6
    Conjunction Distance (km) 1.68 km
    Relative Speed (km/s) 11.99 km/s
    Conjunction Risk Parameters R (Radial): 1.339 | I (In-track): 0.626 | C (Cross-track): 0.799
    Collision Risk Index (CRI) 0.47
    X Position (km) 1303.968 1303.229
    Position Y (km) 6485.51 6486.978
    Position Z (km) 1734.207 1734.55
    Velocity X (km/s) -4.339 -4.94
    Velocity Y (km/s) 2.432 -0.567
    Velocity Z (km/s) -5.797 5.796

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-3854 STARLINK-31529
    Semimajor Axis (a) 6840.850 km 6840.998 km
    Eccentricity (e) 0.000147 0.000163
    Inclination (i) 53.1591° 53.1611°
    RAAN 277.1498° 75.5452°
    Perigee Argument 94.0406° 129.7528°
    Mean Anomaly (M) 217.8658° 230.3619°
    Apogee 463.721 km 463.977 km
    Perigee 461.705 km 461.745 km
    Orbit Epoch 2026-10-27T22:00:02+0000 2026-10-27T16:34:30+0000

    STARLINK-3854 & STARLINK-31529 Collision Probability (Pc) Trend

    STARLINK-3854 & STARLINK-31529 Collision Probability (Pc) TrendNot Available

    STARLINK-3854 & STARLINK-31529 Miss Distance (Miss Distance) Trend

    STARLINK-3854 & STARLINK-31529 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-3854Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31529Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-3854Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31529Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-3854

    No nearby objects data