Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.015818E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T23:30:21+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 2026-10-25T18:08:46+0000
    Collision Probability (Pc) 3.015818E-6
    Conjunction Distance (km) 1.969 km
    Relative Speed (km/s) 15.102 km/s
    Conjunction Risk Parameters R (Radial): 1.041 | I (In-track): 0.095 | C (Cross-track): -1.668
    Collision Risk Index (CRI) 0.45
    X Position (km) 376.6 375.424
    Position Y (km) -962.293 -960.931
    Position Z (km) -6890.184 -6889.386
    Velocity X (km/s) 5.778 -5.298
    Velocity Y (km/s) 4.856 -5.37
    Velocity Z (km/s) -0.423 0.462

    Orbital Parameters 国际轨道数据源

    Parameter STEP 2 INHA-ROSAT
    Semimajor Axis (a) 6972.058 km 6966.412 km
    Eccentricity (e) 0.008122 0.001105
    Inclination (i) 81.9404° 97.7526°
    RAAN 42.2624° 223.9032°
    Perigee Argument 194.7961° 291.5124°
    Mean Anomaly (M) 165.0881° 68.4917°
    Apogee 650.547 km 595.973 km
    Perigee 537.295 km 580.577 km
    Orbit Epoch 2026-10-24T00:41:47+0000 2026-10-23T18:16:51+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