Conjunction Event Detail

    Extreme Risk
    Extreme collision probability. Maneuver strongly recommended for primary asset.
    1.05485E-3
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T18:12:06+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name STEP 2
    AOE ID 23105
    NORAD ID 23105
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 55744
    NORAD ID 55744
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STEP 2 STARLINK-5601
    Time of Closest Approach 2026-09-06T10:33:04+0000
    Collision Probability (Pc) 1.05485E-3
    Conjunction Distance (km) 0.102 km
    Relative Speed (km/s) 7.249 km/s
    Conjunction Risk Parameters R (Radial): 0.02 | I (In-track): -0.088 | C (Cross-track): 0.048
    Collision Risk Index (CRI) 0.95
    X Position (km) 890.32 890.374
    Position Y (km) 2238.466 2238.389
    Position Z (km) -6524.465 -6524.505
    Velocity X (km/s) -0.459 -6.538
    Velocity Y (km/s) 7.152 3.778
    Velocity Z (km/s) 2.451 0.404

    Orbital Parameters 国际轨道数据源

    Parameter STEP 2 STARLINK-5601
    Semimajor Axis (a) 6972.767 km 6950.187 km
    Eccentricity (e) 0.008173 0.000265
    Inclination (i) 81.9347° 70.0001°
    RAAN 91.3613° 152.0228°
    Perigee Argument 354.5576° 268.3485°
    Mean Anomaly (M) 5.4743° 91.7371°
    Apogee 651.620 km 573.890 km
    Perigee 537.640 km 570.210 km
    Orbit Epoch 2026-09-05T23:35:34+0000 2026-09-05T04:29:43+0000

    STEP 2 & STARLINK-5601 Collision Probability (Pc) Trend

    STEP 2 & STARLINK-5601 Collision Probability (Pc) TrendNot Available

    STEP 2 & STARLINK-5601 Miss Distance (Miss Distance) Trend

    STEP 2 & STARLINK-5601 Miss Distance (Miss Distance) TrendNot Available

    STEP 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5601Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STEP 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5601Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STEP 2

    No nearby objects data