Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.589351E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-04T13:26:02+0800
    View CDM
    Download CDM 1.0

    1 Object 1

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

    2 Object 2

    AOE ID 59330
    NORAD ID 59330
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter H-2A R/B STARLINK-31634
    Time of Closest Approach 2026-09-05T07:32:34+0000
    Collision Probability (Pc) 2.589351E-6
    Conjunction Distance (km) 2.06 km
    Relative Speed (km/s) 14.218 km/s
    Conjunction Risk Parameters R (Radial): 1.087 | I (In-track): -0.649 | C (Cross-track): 1.625
    Collision Risk Index (CRI) 0.43
    X Position (km) 4255.158 4257.17
    Position Y (km) 4770.693 4770.688
    Position Z (km) 2481.751 2481.313
    Velocity X (km/s) -0.934 -3.32
    Velocity Y (km/s) -2.817 5.264
    Velocity Z (km/s) 7.043 -4.409

    Orbital Parameters 国际轨道数据源

    Parameter H-2A R/B STARLINK-31634
    Semimajor Axis (a) 6886.848 km 6861.155 km
    Eccentricity (e) 0.004944 0.000141
    Inclination (i) 98.2659° 43.0031°
    RAAN 49.5557° 265.2057°
    Perigee Argument 356.7633° 278.5909°
    Mean Anomaly (M) 3.3272° 81.4782°
    Apogee 542.761 km 483.989 km
    Perigee 474.661 km 482.047 km
    Orbit Epoch 2026-09-03T12:45:54+0000 2026-09-03T03:06:47+0000

    H-2A R/B & STARLINK-31634 Collision Probability (Pc) Trend

    H-2A R/B & STARLINK-31634 Collision Probability (Pc) TrendNot Available

    H-2A R/B & STARLINK-31634 Miss Distance (Miss Distance) Trend

    H-2A R/B & STARLINK-31634 Miss Distance (Miss Distance) TrendNot Available

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

    Object 1 Miss Distance TrendNot Available

    STARLINK-31634Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    H-2A R/BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31634Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with H-2A R/B

    No nearby objects data