Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.641132E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T16:29:58+0800
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    1 Object 1

    AOE ID 694
    NORAD ID 694
    Object Type ROCKET BODY
    Country
    US US
    ← VS →

    2 Object 2

    Name 3CAT-4
    AOE ID 60236
    NORAD ID 60236
    Object Type PAYLOAD
    Country
    ES ES

    Conjunction Constraints

    Parameter ATLAS CENTAUR 2 R/B 3CAT-4
    Time of Closest Approach 2026-10-22T06:14:46+0000
    Collision Probability (Pc) 1.641132E-6
    Conjunction Distance (km) 2.314 km
    Relative Speed (km/s) 10.327 km/s
    Conjunction Risk Parameters R (Radial): -0.57 | I (In-track): -1.628 | C (Cross-track): 1.542
    Collision Risk Index (CRI) 0.39
    X Position (km) 5857.826 5856.6
    Position Y (km) -2954.883 -2956.637
    Position Z (km) -2223.234 -2222.356
    Velocity X (km/s) 4.317 -0.181
    Velocity Y (km/s) 5.719 4.307
    Velocity Z (km/s) 2.935 -6.252

    Orbital Parameters 国际轨道数据源

    Parameter ATLAS CENTAUR 2 R/B 3CAT-4
    Semimajor Axis (a) 7227.760 km 6937.114 km
    Eccentricity (e) 0.054469 0.002392
    Inclination (i) 30.3577° 61.9915°
    RAAN 19.2379° 147.3623°
    Perigee Argument 261.6644° 169.2233°
    Mean Anomaly (M) 92.1869° 190.9375°
    Apogee 1243.311 km 575.573 km
    Perigee 455.935 km 542.381 km
    Orbit Epoch 2026-10-20T08:38:13+0000 2026-10-20T23:00:32+0000

    ATLAS CENTAUR 2 R/B & 3CAT-4 Collision Probability (Pc) Trend

    ATLAS CENTAUR 2 R/B & 3CAT-4 Collision Probability (Pc) TrendNot Available

    ATLAS CENTAUR 2 R/B & 3CAT-4 Miss Distance (Miss Distance) Trend

    ATLAS CENTAUR 2 R/B & 3CAT-4 Miss Distance (Miss Distance) TrendNot Available

    ATLAS CENTAUR 2 R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    3CAT-4Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ATLAS CENTAUR 2 R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    3CAT-4Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ATLAS CENTAUR 2 R/B

    No nearby objects data