🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.2

Radius: 9.8

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.22 AU - 1.82 AU

Year: 1294 Days

Day: 5.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,417,955 km

• M1: 122,820 km (0.119 R)
• M2: 553,811 km (0.094 R)
• M3: 871,557 km (0.058 R)
• M4: 1,392,307 km (0.086 R)
• M5: 1,720,525 km (0.099 R)
• M6: 2,132,368 km (0.067 R)
• M7: 3,184,490 km (0.114 R)
• M8: 3,654,078 km (0.082 R)
• M9: 4,169,442 km (0.068 R)
• M10: 4,975,625 km (0.094 R)
• M11: 5,466,456 km (0.118 R)
• M12: 7,760,689 km (0.119 R)
• M13: 8,126,306 km (0.089 R)
• M14: 8,476,365 km (0.066 R)
• M15: 9,148,807 km (0.076 R)
• M16: 9,586,980 km (0.047 R)
• M17: 10,442,231 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 13

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.7 AU - 1.88 AU

Year: 1653 Days

Day: 11.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,417,955 km

• M1: 168,597 km (0.079 R)
• M2: 610,060 km (0.115 R)
• M3: 1,282,951 km (0.052 R)
• M4: 2,863,154 km (0.115 R)
• M5: 4,038,095 km (0.113 R)
• M6: 5,108,468 km (0.11 R)
• M7: 6,308,991 km (0.066 R)
• M8: 6,935,357 km (0.109 R)
• M9: 7,347,799 km (0.104 R)
• M10: 8,222,049 km (0.087 R)
• M11: 9,797,763 km (0.066 R)
• M12: 11,301,670 km (0.105 R)
• M13: 13,203,059 km (0.101 R)
• M14: 14,718,037 km (0.038 R)
• M15: 15,680,998 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 14.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.27 AU - 3.15 AU

Year: 3079 Days

Day: 7.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 134.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,417,955 km

• M1: 184,005 km (0.079 R)
• M2: 972,685 km (0.1 R)
• M3: 1,928,915 km (0.078 R)
• M4: 2,565,903 km (0.105 R)
• M5: 3,027,263 km (0.118 R)
• M6: 3,815,494 km (0.118 R)
• M7: 5,363,981 km (0.112 R)
• M8: 6,045,549 km (0.07 R)
• M9: 6,725,621 km (0.106 R)
• M10: 7,331,044 km (0.102 R)
• M11: 9,970,698 km (0.06 R)
• M12: 13,006,637 km (0.056 R)
• M13: 13,757,020 km (0.109 R)
• M14: 14,585,792 km (0.119 R)
• M15: 15,241,929 km (0.094 R)
• M16: 15,707,477 km (0.048 R)
• M17: 16,776,504 km (0.1 R)
• M18: 20,337,681 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 11.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.13 AU - 5.25 AU

Year: 7011 Days

Day: 12.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,417,955 km

• M1: 143,165 km (0.102 R)
• M2: 761,154 km (0.092 R)
• M3: 1,334,563 km (0.091 R)
• M4: 1,929,513 km (0.094 R)
• M5: 2,462,381 km (0.099 R)
• M6: 3,016,791 km (0.096 R)
• M7: 3,804,124 km (0.092 R)
• M8: 4,401,768 km (0.106 R)
• M9: 5,526,893 km (0.074 R)
• M10: 9,268,635 km (0.076 R)
• M11: 12,038,440 km (0.113 R)
• M12: 12,573,103 km (0.099 R)
• M13: 13,123,623 km (0.026 R)
• M14: 19,680,797 km (0.055 R)
• M15: 20,151,282 km (0.094 R)
• M16: 24,497,699 km (0.079 R)
• M17: 25,594,999 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 9.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.08 AU - 5.62 AU

Year: 8542 Days

Day: 6.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,417,955 km

• M1: 120,875 km (0.111 R)
• M2: 480,508 km (0.075 R)
• M3: 1,040,752 km (0.086 R)
• M4: 3,039,679 km (0.089 R)
• M5: 5,885,479 km (0.11 R)
• M6: 6,790,547 km (0.06 R)
• M7: 8,379,276 km (0.112 R)
• M8: 9,611,962 km (0.115 R)
• M9: 10,913,015 km (0.112 R)
• M10: 14,438,438 km (0.111 R)
• M11: 14,911,766 km (0.117 R)
• M12: 16,393,832 km (0.061 R)
• M13: 16,844,122 km (0.08 R)
• M14: 18,937,894 km (0.06 R)
• M15: 20,156,967 km (0.072 R)
• M16: 21,048,420 km (0.051 R)
• M17: 21,503,946 km (0.028 R)
• M18: 24,376,225 km (0.114 R)
• M19: 26,427,361 km (0.103 R)
• M20: 29,432,035 km (0.06 R)
• M21: 35,251,841 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.2

Radius: 4.9

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.93 AU - 7.09 AU

Year: 10170 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,417,955 km

• M1: 61,784 km (0.108 R)
• M2: 224,546 km (0.038 R)
• M3: 1,095,206 km (0.089 R)
• M4: 1,280,857 km (0.071 R)
• M5: 1,612,067 km (0.094 R)
• M6: 1,896,303 km (0.068 R)
• M7: 3,030,853 km (0.111 R)
• M8: 4,129,649 km (0.039 R)
• M9: 4,583,080 km (0.11 R)
• M10: 5,238,618 km (0.065 R)
• M11: 6,904,241 km (0.097 R)
• M12: 7,615,280 km (0.095 R)
• M13: 7,988,526 km (0.114 R)
• M14: 9,433,941 km (0.07 R)
• M15: 9,690,800 km (0.052 R)
• M16: 12,015,252 km (0.06 R)
• M17: 12,831,309 km (0.106 R)
• M18: 13,146,511 km (0.116 R)
• M19: 13,902,280 km (0.106 R)
• M20: 15,857,823 km (0.052 R)
• M21: 16,775,905 km (0.079 R)
• M22: 22,505,504 km (0.117 R)
• M23: 26,434,393 km (0.113 R)
• M24: 27,897,609 km (0.086 R)
• M25: 28,073,237 km (0.064 R)
• M26: 29,414,083 km (0.064 R)
• M27: 31,647,130 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.7

Radius: 3

Gravity: 48.52 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 9.64 AU - 10.36 AU

Year: 21828 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,417,955 km

• M1: 37,250 km (0.119 R)
• M2: 151,243 km (0.112 R)
• M3: 257,757 km (0.074 R)
• M4: 372,200 km (0.058 R)
• M5: 1,313,918 km (0.071 R)
• M6: 1,433,447 km (0.083 R)
• M7: 1,967,362 km (0.12 R)
• M8: 2,310,838 km (0.079 R)
• M9: 3,328,553 km (0.115 R)
• M10: 5,669,759 km (0.111 R)
• M11: 5,787,642 km (0.083 R)
• M12: 7,855,085 km (0.065 R)
• M13: 8,452,280 km (0.111 R)
• M14: 10,019,617 km (0.116 R)
• M15: 10,249,997 km (0.093 R)
• M16: 10,483,819 km (0.115 R)
• M17: 12,484,690 km (0.051 R)
• M18: 13,998,770 km (0.089 R)
• M19: 15,940,850 km (0.111 R)
• M20: 16,413,130 km (0.105 R)
• M21: 22,631,914 km (0.089 R)
• M22: 22,928,716 km (0.071 R)
• M23: 25,397,679 km (0.062 R)
• M24: 26,696,189 km (0.112 R)
• M25: 27,138,699 km (0.057 R)
• M26: 28,152,075 km (0.077 R)
• M27: 33,727,738 km (0.093 R)
• M28: 36,095,722 km (0.114 R)
• M29: 38,854,157 km (0.096 R)
• M30: 44,941,444 km (0.101 R)
• M31: 51,634,154 km (0.103 R)
• M32: 58,588,211 km (0.113 R)
• M33: 63,163,512 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 15,606 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit