Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.41686E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T08:26:29+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 13121
    NORAD ID 13121
    Object Type ROCKET BODY
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 48327
    NORAD ID 48327
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SL-3 R/B STARLINK-2502
    Time of Closest Approach 2026-09-03T13:56:04+0000
    Collision Probability (Pc) 1.41686E-6
    Conjunction Distance (km) 2.799 km
    Relative Speed (km/s) 13.967 km/s
    Conjunction Risk Parameters R (Radial): -2.595 | I (In-track): 0.424 | C (Cross-track): -0.958
    Collision Risk Index (CRI) 0.38
    X Position (km) -6599.034 -6596.52
    Position Y (km) -553.971 -554.776
    Position Z (km) -1768.591 -1767.664
    Velocity X (km/s) -1.824 1.929
    Velocity Y (km/s) -1.366 -4.587
    Velocity Z (km/s) 7.28 -5.782

    Orbital Parameters 国际轨道数据源

    Parameter SL-3 R/B STARLINK-2502
    Semimajor Axis (a) 6853.380 km 6848.847 km
    Eccentricity (e) 0.000910 0.000127
    Inclination (i) 81.1883° 53.1604°
    RAAN 188.3320° 1.9352°
    Perigee Argument 40.9763° 77.6637°
    Mean Anomaly (M) 319.2155° 282.4506°
    Apogee 481.478 km 471.578 km
    Perigee 469.008 km 469.842 km
    Orbit Epoch 2026-09-02T14:27:34+0000 2026-09-01T17:13:24+0000

    SL-3 R/B & STARLINK-2502 Collision Probability (Pc) Trend

    SL-3 R/B & STARLINK-2502 Collision Probability (Pc) TrendNot Available

    SL-3 R/B & STARLINK-2502 Miss Distance (Miss Distance) Trend

    SL-3 R/B & STARLINK-2502 Miss Distance (Miss Distance) TrendNot Available

    SL-3 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-2502Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SL-3 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-2502Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SL-3 R/B

    No nearby objects data