🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.8

Radius: 9.9

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.04 AU - 1.12 AU

Year: 775 Days

Day: 5.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,915,040 km

• M1: 123,119 km (0.111 R)
• M2: 772,224 km (0.07 R)
• M3: 1,199,925 km (0.053 R)
• M4: 1,619,547 km (0.076 R)
• M5: 2,007,005 km (0.085 R)
• M6: 2,908,183 km (0.067 R)
• M7: 3,235,204 km (0.106 R)
• M8: 3,855,885 km (0.102 R)
• M9: 4,186,945 km (0.047 R)
• M10: 4,763,495 km (0.097 R)
• M11: 5,607,078 km (0.09 R)
• M12: 6,591,133 km (0.09 R)
• M13: 6,997,141 km (0.09 R)
• M14: 7,884,406 km (0.049 R)
• M15: 8,238,953 km (0.096 R)
• M16: 9,593,562 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.6

Radius: 12.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.16 AU - 1.42 AU

Year: 1011 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,915,040 km

• M1: 153,039 km (0.108 R)
• M2: 580,889 km (0.074 R)
• M3: 1,006,494 km (0.069 R)
• M4: 1,575,415 km (0.077 R)
• M5: 2,130,124 km (0.094 R)
• M6: 2,695,155 km (0.113 R)
• M7: 5,229,942 km (0.059 R)
• M8: 5,741,267 km (0.038 R)
• M9: 7,293,046 km (0.102 R)
• M10: 7,957,111 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 8.3

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.17 AU - 1.95 AU

Year: 1345 Days

Day: 6.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,915,040 km

• M1: 103,223 km (0.111 R)
• M2: 393,442 km (0.107 R)
• M3: 804,089 km (0.094 R)
• M4: 1,748,051 km (0.098 R)
• M5: 2,914,466 km (0.085 R)
• M6: 3,266,021 km (0.095 R)
• M7: 3,613,088 km (0.035 R)
• M8: 4,381,572 km (0.097 R)
• M9: 4,864,324 km (0.118 R)
• M10: 6,239,129 km (0.059 R)
• M11: 7,157,959 km (0.086 R)
• M12: 7,800,631 km (0.114 R)
• M13: 8,278,597 km (0.107 R)
• M14: 8,746,240 km (0.048 R)
• M15: 9,262,352 km (0.11 R)
• M16: 9,543,596 km (0.115 R)
• M17: 9,895,151 km (0.057 R)
• M18: 10,189,261 km (0.032 R)
• M19: 10,658,250 km (0.101 R)
• M20: 11,353,282 km (0.043 R)
• M21: 11,675,665 km (0.087 R)
• M22: 12,004,182 km (0.113 R)
• M23: 12,871,999 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.4

Radius: 8.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.53 AU - 1.77 AU

Year: 1463 Days

Day: 8 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,915,040 km

• M1: 106,962 km (0.101 R)
• M2: 377,435 km (0.069 R)
• M3: 652,097 km (0.115 R)
• M4: 1,051,374 km (0.03 R)
• M5: 1,427,912 km (0.073 R)
• M6: 1,738,776 km (0.055 R)
• M7: 2,191,609 km (0.047 R)
• M8: 2,608,688 km (0.045 R)
• M9: 2,967,872 km (0.092 R)
• M10: 3,714,814 km (0.046 R)
• M11: 4,388,753 km (0.073 R)
• M12: 4,864,624 km (0.089 R)
• M13: 5,392,854 km (0.058 R)
• M14: 6,175,849 km (0.09 R)
• M15: 6,689,418 km (0.025 R)
• M16: 7,524,025 km (0.096 R)
• M17: 7,919,262 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.9

Radius: 11.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.33 AU - 2.97 AU

Year: 2978 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,915,040 km

• M1: 147,803 km (0.113 R)
• M2: 552,764 km (0.118 R)
• M3: 1,467,106 km (0.065 R)
• M4: 2,185,026 km (0.098 R)
• M5: 2,632,324 km (0.098 R)
• M6: 3,202,741 km (0.109 R)
• M7: 3,713,917 km (0.053 R)
• M8: 5,400,633 km (0.101 R)
• M9: 5,886,227 km (0.046 R)
• M10: 7,134,173 km (0.088 R)
• M11: 9,506,197 km (0.056 R)
• M12: 13,415,638 km (0.09 R)
• M13: 14,266,102 km (0.112 R)
• M14: 15,016,784 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.3

Radius: 7.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.27 AU - 6.45 AU

Year: 9792 Days

Day: 21.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,915,040 km

• M1: 101,577 km (0.058 R)
• M2: 398,379 km (0.081 R)
• M3: 652,247 km (0.088 R)
• M4: 1,010,234 km (0.091 R)
• M5: 1,387,969 km (0.087 R)
• M6: 2,535,534 km (0.092 R)
• M7: 3,239,392 km (0.032 R)
• M8: 3,847,956 km (0.119 R)
• M9: 4,141,916 km (0.088 R)
• M10: 4,503,793 km (0.079 R)
• M11: 5,028,583 km (0.085 R)
• M12: 6,167,172 km (0.057 R)
• M13: 9,772,780 km (0.114 R)
• M14: 12,145,552 km (0.106 R)
• M15: 17,259,705 km (0.04 R)
• M16: 17,724,655 km (0.109 R)
• M17: 19,169,920 km (0.042 R)
• M18: 21,066,073 km (0.067 R)
• M19: 28,133,974 km (0.045 R)
• M20: 29,810,218 km (0.112 R)
• M21: 33,874,493 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.3

Radius: 3

Gravity: 60.92 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.86 AU - 11.24 AU

Year: 20371 Days

Day: 24.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,915,040 km

• M1: 81,232 km (0.101 R)
• M2: 346,917 km (0.099 R)
• M3: 447,298 km (0.103 R)
• M4: 747,690 km (0.082 R)
• M5: 873,502 km (0.105 R)
• M6: 1,459,926 km (0.095 R)
• M7: 2,871,681 km (0.099 R)
• M8: 3,023,971 km (0.092 R)
• M9: 3,181,498 km (0.061 R)
• M10: 3,456,459 km (0.091 R)
• M11: 3,990,673 km (0.097 R)
• M12: 4,180,363 km (0.097 R)
• M13: 6,507,657 km (0.072 R)
• M14: 6,726,369 km (0.1 R)
• M15: 8,344,420 km (0.06 R)
• M16: 12,456,566 km (0.092 R)
• M17: 14,056,515 km (0.074 R)
• M18: 14,569,337 km (0.082 R)
• M19: 19,040,518 km (0.063 R)
• M20: 23,827,201 km (0.086 R)
• M21: 26,606,580 km (0.097 R)
• M22: 52,495,538 km (0.111 R)
• M23: 69,606,094 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.9

Radius: 7.7

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.09 AU - 10.73 AU

Year: 21534 Days

Day: 18 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,915,040 km

• M1: 95,892 km (0.107 R)
• M2: 349,461 km (0.12 R)
• M3: 778,507 km (0.077 R)
• M4: 1,139,786 km (0.073 R)
• M5: 2,497,088 km (0.084 R)
• M6: 3,034,892 km (0.112 R)
• M7: 6,814,033 km (0.044 R)
• M8: 8,448,241 km (0.057 R)
• M9: 9,875,703 km (0.084 R)
• M10: 10,385,234 km (0.052 R)
• M11: 12,666,601 km (0.056 R)
• M12: 14,456,689 km (0.07 R)
• M13: 16,330,852 km (0.055 R)
• M14: 17,694,287 km (0.119 R)
• M15: 19,393,419 km (0.079 R)
• M16: 24,932,131 km (0.093 R)
• M17: 34,564,438 km (0.09 R)
• M18: 36,267,909 km (0.093 R)
• M19: 39,558,614 km (0.084 R)
• M20: 46,098,584 km (0.054 R)
• M21: 54,015,902 km (0.097 R)
• M22: 58,844,472 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 19,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit