Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.376261E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-22T02:42:20+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 66653
    NORAD ID 66653
    Object Type PAYLOAD
    Country
    KR KR

    Conjunction Constraints

    Parameter STEP 2 INHA-ROSAT
    Time of Closest Approach 2026-10-22T03:14:18+0000
    Collision Probability (Pc) 1.376261E-6
    Conjunction Distance (km) 2.963 km
    Relative Speed (km/s) 15.116 km/s
    Conjunction Risk Parameters R (Radial): 0.896 | I (In-track): 0.056 | C (Cross-track): -2.823
    Collision Risk Index (CRI) 0.38
    X Position (km) 1410.33 1408.602
    Position Y (km) 22.88 24.927
    Position Z (km) -6822.345 -6823.61
    Velocity X (km/s) 5.264 -5.421
    Velocity Y (km/s) 5.325 -5.141
    Velocity Z (km/s) 1.045 -1.133

    Orbital Parameters 国际轨道数据源

    Parameter STEP 2 INHA-ROSAT
    Semimajor Axis (a) 6972.115 km 6966.436 km
    Eccentricity (e) 0.008110 0.001116
    Inclination (i) 81.9398° 97.7523°
    RAAN 45.0729° 221.3933°
    Perigee Argument 203.9428° 300.9510°
    Mean Anomaly (M) 155.8012° 59.0612°
    Apogee 650.522 km 596.077 km
    Perigee 537.434 km 580.521 km
    Orbit Epoch 2026-10-21T06:40:17+0000 2026-10-21T05:09:43+0000

    STEP 2 & INHA-ROSAT Collision Probability (Pc) Trend

    STEP 2 & INHA-ROSAT Collision Probability (Pc) TrendNot Available

    STEP 2 & INHA-ROSAT Miss Distance (Miss Distance) Trend

    STEP 2 & INHA-ROSAT Miss Distance (Miss Distance) TrendNot Available

    STEP 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    INHA-ROSATMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STEP 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    INHA-ROSATCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STEP 2

    No nearby objects data