Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.62585E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-27T12:44:34+0800
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    1 Object 1

    AOE ID 1982
    NORAD ID 1982
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 28948
    NORAD ID 28948
    Object Type ROCKET BODY
    Country
    FR FR

    Conjunction Constraints

    Parameter ESSA 1 (OT-3) ARIANE 5 R/B
    Time of Closest Approach 2026-10-29T20:14:45+0000
    Collision Probability (Pc) 1.62585E-6
    Conjunction Distance (km) 2.529 km
    Relative Speed (km/s) 13.457 km/s
    Conjunction Risk Parameters R (Radial): 0.233 | I (In-track): 1.788 | C (Cross-track): -1.773
    Collision Risk Index (CRI) 0.39
    X Position (km) 5785.353 5786.477
    Position Y (km) -4063.97 -4062.909
    Position Z (km) -272.749 -270.748
    Velocity X (km/s) -0.396 7.121
    Velocity Y (km/s) -0.97 6.573
    Velocity Z (km/s) 7.453 -0.773

    Orbital Parameters 国际轨道数据源

    Parameter ESSA 1 (OT-3) ARIANE 5 R/B
    Semimajor Axis (a) 7109.075 km 21956.835 km
    Eccentricity (e) 0.008084 0.696477
    Inclination (i) 97.8017° 4.7481°
    RAAN 321.9303° 118.8589°
    Perigee Argument 57.1592° 174.3699°
    Mean Anomaly (M) 303.7353° 202.7725°
    Apogee 788.406 km 30871.136 km
    Perigee 673.470 km 286.260 km
    Orbit Epoch 2026-10-26T22:37:13+0000 2026-10-26T16:15:53+0000

    ESSA 1 (OT-3) & ARIANE 5 R/B Collision Probability (Pc) Trend

    ESSA 1 (OT-3) & ARIANE 5 R/B Collision Probability (Pc) TrendNot Available

    ESSA 1 (OT-3) & ARIANE 5 R/B Miss Distance (Miss Distance) Trend

    ESSA 1 (OT-3) & ARIANE 5 R/B Miss Distance (Miss Distance) TrendNot Available

    ESSA 1 (OT-3)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ARIANE 5 R/BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ESSA 1 (OT-3)Collision Probability Trend

    Object 1 Probability TrendNot Available

    ARIANE 5 R/BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ESSA 1 (OT-3)

    No nearby objects data