Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.757184E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T21:21:51+0800
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    1 Object 1

    AOE ID 28932
    NORAD ID 28932
    Object Type ROCKET BODY
    Country
    JP JP
    ← VS →

    2 Object 2

    AOE ID 57933
    NORAD ID 57933
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter H-2A R/B STARLINK-30461
    Time of Closest Approach 2026-10-20T20:22:14+0000
    Collision Probability (Pc) 4.757184E-6
    Conjunction Distance (km) 1.462 km
    Relative Speed (km/s) 7.875 km/s
    Conjunction Risk Parameters R (Radial): -0.348 | I (In-track): -1.217 | C (Cross-track): 0.73
    Collision Risk Index (CRI) 0.49
    X Position (km) 1624.373 1625.109
    Position Y (km) -6060.442 -6061.124
    Position Z (km) 2767.841 2766.778
    Velocity X (km/s) -0.374 6.368
    Velocity Y (km/s) -3.242 -0.213
    Velocity Z (km/s) -6.909 -4.193

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B STARLINK-30461
    Semimajor Axis (a) 6885.197 km 6861.198 km
    Eccentricity (e) 0.004869 0.000113
    Inclination (i) 98.2688° 43.0022°
    RAAN 100.2856° 138.9341°
    Perigee Argument 195.7617° 283.1637°
    Mean Anomaly (M) 164.2103° 76.9088°
    Apogee 540.582 km 483.840 km
    Perigee 473.538 km 482.282 km
    Orbit Epoch 2026-10-19T21:33:37+0000 2026-10-19T20:12:21+0000

    H-2A R/B & STARLINK-30461 Collision Probability (Pc) Trend

    H-2A R/B & STARLINK-30461 Collision Probability (Pc) TrendNot Available

    H-2A R/B & STARLINK-30461 Miss Distance (Miss Distance) Trend

    H-2A R/B & STARLINK-30461 Miss Distance (Miss Distance) TrendNot Available

    H-2A R/BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30461Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30461Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data