Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.894367E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T04:42:54+0800
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    1 Object 1

    AOE ID 40977
    NORAD ID 40977
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 56956
    NORAD ID 56956
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter SINOD-D 3 BLACKJACK ACES-1
    Time of Closest Approach 2026-10-23T03:12:12+0000
    Collision Probability (Pc) 1.894367E-6
    Conjunction Distance (km) 2.408 km
    Relative Speed (km/s) 14.946 km/s
    Conjunction Risk Parameters R (Radial): 1.318 | I (In-track): 0.392 | C (Cross-track): -1.976
    Collision Risk Index (CRI) 0.41
    X Position (km) -1055.237 -1053.704
    Position Y (km) -5230.822 -5232.662
    Position Z (km) 4344.858 4345.102
    Velocity X (km/s) 4.915 -2.215
    Velocity Y (km/s) 3.09 -4.391
    Velocity Z (km/s) 4.988 -5.809

    Orbital Parameters 国际轨道数据源

    Parameter SINOD-D 3 BLACKJACK ACES-1
    Semimajor Axis (a) 6961.147 km 6886.678 km
    Eccentricity (e) 0.013058 0.000159
    Inclination (i) 64.7712° 97.6374°
    RAAN 245.0356° 69.5213°
    Perigee Argument 11.3691° 124.3419°
    Mean Anomaly (M) 349.0321° 235.7965°
    Apogee 673.910 km 509.639 km
    Perigee 492.110 km 507.443 km
    Orbit Epoch 2026-10-20T05:58:05+0000 2026-10-20T08:11:30+0000

    SINOD-D 3 & BLACKJACK ACES-1 Collision Probability (Pc) Trend

    SINOD-D 3 & BLACKJACK ACES-1 Collision Probability (Pc) TrendNot Available

    SINOD-D 3 & BLACKJACK ACES-1 Miss Distance (Miss Distance) Trend

    SINOD-D 3 & BLACKJACK ACES-1 Miss Distance (Miss Distance) TrendNot Available

    SINOD-D 3Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    BLACKJACK ACES-1Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    SINOD-D 3Collision Probability Trend

    Object 1 Probability TrendNot Available

    BLACKJACK ACES-1Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with SINOD-D 3

    No nearby objects data