Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    8.227774E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T01:18:30+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 44744
    NORAD ID 44744
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 58893
    NORAD ID 58893
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-1039 STARLINK-31255
    Time of Closest Approach 2026-09-13T21:20:56+0000
    Collision Probability (Pc) 8.227774E-6
    Conjunction Distance (km) 1.292 km
    Relative Speed (km/s) 9.588 km/s
    Conjunction Risk Parameters R (Radial): -1.131 | I (In-track): -0.479 | C (Cross-track): -0.397
    Collision Risk Index (CRI) 0.53
    X Position (km) 4881.525 4882.097
    Position Y (km) 2021.631 2022.542
    Position Z (km) -4351.431 -4352.145
    Velocity X (km/s) 0.536 -5.086
    Velocity Y (km/s) 6.651 4.307
    Velocity Z (km/s) 3.696 -3.708

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-1039 STARLINK-31255
    Semimajor Axis (a) 6839.994 km 6840.892 km
    Eccentricity (e) 0.000211 0.000161
    Inclination (i) 53.0573° 53.1558°
    RAAN 75.4098° 177.0519°
    Perigee Argument 81.1320° 96.8519°
    Mean Anomaly (M) 278.9920° 263.2667°
    Apogee 463.299 km 463.859 km
    Perigee 460.415 km 461.651 km
    Orbit Epoch 2026-09-10T18:33:43+0000 2026-09-11T04:14:44+0000

    STARLINK-1039 & STARLINK-31255 Collision Probability (Pc) Trend

    STARLINK-1039 & STARLINK-31255 Collision Probability (Pc) TrendNot Available

    STARLINK-1039 & STARLINK-31255 Miss Distance (Miss Distance) Trend

    STARLINK-1039 & STARLINK-31255 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-1039Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31255Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-1039Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31255Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-1039

    No nearby objects data