Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    3.190488E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T16:32:29+0800
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    1 Object 1

    AOE ID 64537
    NORAD ID 64537
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name ELARA 1
    AOE ID 64539
    NORAD ID 64539
    Object Type PAYLOAD
    Country
    AU AU

    Conjunction Constraints

    Parameter OTTER PUP 2 ELARA 1
    Time of Closest Approach 2026-09-11T17:45:53+0000
    Collision Probability (Pc) 3.190488E-7
    Conjunction Distance (km) 2.21 km
    Relative Speed (km/s) 0.004 km/s
    Conjunction Risk Parameters R (Radial): 0.016 | I (In-track): -2.207 | C (Cross-track): -0.088
    Collision Risk Index (CRI) 0.25
    X Position (km) 1981.253 1983.344
    Position Y (km) 1209.926 1210.108
    Position Z (km) -6476.98 -6476.289
    Velocity X (km/s) 7.164 7.163
    Velocity Y (km/s) 0.935 0.935
    Velocity Z (km/s) 2.364 2.367

    Orbital Parameters 国际轨道数据源

    Parameter OTTER PUP 2 ELARA 1
    Semimajor Axis (a) 6873.409 km 6873.388 km
    Eccentricity (e) 0.000310 0.000214
    Inclination (i) 97.4829° 97.4808°
    RAAN 8.2741° 8.9333°
    Perigee Argument 211.0843° 211.2048°
    Mean Anomaly (M) 149.0210° 148.9062°
    Apogee 497.403 km 496.723 km
    Perigee 493.141 km 493.779 km
    Orbit Epoch 2026-09-10T02:40:17+0000 2026-09-10T18:26:04+0000

    OTTER PUP 2 & ELARA 1 Collision Probability (Pc) Trend

    OTTER PUP 2 & ELARA 1 Collision Probability (Pc) TrendNot Available

    OTTER PUP 2 & ELARA 1 Miss Distance (Miss Distance) Trend

    OTTER PUP 2 & ELARA 1 Miss Distance (Miss Distance) TrendNot Available

    OTTER PUP 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ELARA 1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OTTER PUP 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    ELARA 1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OTTER PUP 2

    No nearby objects data