🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.2

Radius: 14.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.79 AU - 0.93 AU

Year: 507 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 164.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,102,664 km

• M1: 176,825 km (0.108 R)
• M2: 666,758 km (0.078 R)
• M3: 1,390,063 km (0.098 R)
• M4: 2,068,191 km (0.108 R)
• M5: 3,013,799 km (0.098 R)
• M6: 3,604,561 km (0.102 R)
• M7: 5,316,260 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 10.9

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.27 AU - 3.29 AU

Year: 3777 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,102,664 km

• M1: 135,536 km (0.098 R)
• M2: 1,213,089 km (0.11 R)
• M3: 1,999,974 km (0.08 R)
• M4: 2,946,330 km (0.048 R)
• M5: 4,303,183 km (0.084 R)
• M6: 4,684,358 km (0.086 R)
• M7: 6,860,259 km (0.078 R)
• M8: 7,667,639 km (0.081 R)
• M9: 8,229,977 km (0.085 R)
• M10: 12,004,631 km (0.094 R)
• M11: 12,520,594 km (0.094 R)
• M12: 13,682,221 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 10

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.66 AU - 4.22 AU

Year: 4973 Days

Day: 6.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,102,664 km

• M1: 160,219 km (0.042 R)
• M2: 585,077 km (0.085 R)
• M3: 1,129,913 km (0.107 R)
• M4: 1,712,148 km (0.096 R)
• M5: 2,752,002 km (0.104 R)
• M6: 3,856,932 km (0.042 R)
• M7: 4,445,301 km (0.079 R)
• M8: 4,870,009 km (0.104 R)
• M9: 5,263,751 km (0.12 R)
• M10: 5,618,148 km (0.098 R)
• M11: 6,019,968 km (0.11 R)
• M12: 7,524,474 km (0.095 R)
• M13: 7,860,770 km (0.084 R)
• M14: 8,483,695 km (0.046 R)
• M15: 9,783,701 km (0.1 R)
• M16: 10,184,773 km (0.088 R)
• M17: 11,950,925 km (0.041 R)
• M18: 14,823,653 km (0.111 R)
• M19: 15,713,760 km (0.115 R)
• M20: 17,147,058 km (0.1 R)
• M21: 17,994,829 km (0.118 R)
• M22: 20,488,176 km (0.11 R)
• M23: 24,402,405 km (0.113 R)
• M24: 25,558,347 km (0.088 R)
• M25: 27,184,925 km (0.109 R)
• M26: 27,801,268 km (0.088 R)
• M27: 28,697,808 km (0.12 R)
• M28: 29,336,741 km (0.077 R)
• M29: 32,085,602 km (0.077 R)
• M30: 32,576,283 km (0.075 R)
• M31: 32,972,418 km (0.116 R)
• M32: 33,875,540 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 11.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.36 AU - 5.64 AU

Year: 8201 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,102,664 km

• M1: 139,425 km (0.114 R)
• M2: 580,889 km (0.084 R)
• M3: 1,051,523 km (0.04 R)
• M4: 1,587,981 km (0.082 R)
• M5: 1,993,392 km (0.099 R)
• M6: 2,583,406 km (0.06 R)
• M7: 3,127,942 km (0.102 R)
• M8: 3,722,444 km (0.074 R)
• M9: 4,390,997 km (0.084 R)
• M10: 5,329,424 km (0.111 R)
• M11: 6,037,770 km (0.102 R)
• M12: 6,544,159 km (0.112 R)
• M13: 8,020,091 km (0.083 R)
• M14: 9,853,264 km (0.103 R)
• M15: 10,659,596 km (0.066 R)
• M16: 11,185,582 km (0.041 R)
• M17: 11,950,775 km (0.087 R)
• M18: 14,141,786 km (0.097 R)
• M19: 16,588,309 km (0.109 R)
• M20: 16,939,266 km (0.113 R)
• M21: 17,438,923 km (0.061 R)
• M22: 18,693,451 km (0.093 R)
• M23: 20,007,219 km (0.118 R)
• M24: 23,869,836 km (0.073 R)
• M25: 30,241,060 km (0.062 R)
• M26: 36,941,399 km (0.119 R)
• M27: 39,005,700 km (0.069 R)
• M28: 40,635,419 km (0.112 R)
• M29: 45,796,396 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.6

Radius: 10.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5 AU - 6.68 AU

Year: 8973 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 156.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,102,664 km

• M1: 151,692 km (0.077 R)
• M2: 1,015,321 km (0.048 R)
• M3: 3,174,168 km (0.11 R)
• M4: 4,463,103 km (0.042 R)
• M5: 8,254,661 km (0.063 R)
• M6: 17,026,631 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.2

Radius: 5.4

Gravity: 33.92 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.22 AU - 9.38 AU

Year: 15204 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,102,664 km

• M1: 67,319 km (0.057 R)
• M2: 354,846 km (0.09 R)
• M3: 606,021 km (0.051 R)
• M4: 818,899 km (0.071 R)
• M5: 1,044,193 km (0.115 R)
• M6: 1,226,104 km (0.069 R)
• M7: 1,776,774 km (0.051 R)
• M8: 2,412,266 km (0.112 R)
• M9: 2,662,543 km (0.111 R)
• M10: 3,462,293 km (0.071 R)
• M11: 3,901,961 km (0.107 R)
• M12: 4,477,913 km (0.111 R)
• M13: 4,716,671 km (0.046 R)
• M14: 6,502,271 km (0.074 R)
• M15: 6,988,016 km (0.099 R)
• M16: 10,965,225 km (0.085 R)
• M17: 12,434,874 km (0.099 R)
• M18: 12,838,938 km (0.107 R)
• M19: 19,812,592 km (0.107 R)
• M20: 20,271,110 km (0.117 R)
• M21: 21,304,532 km (0.113 R)
• M22: 23,374,368 km (0.092 R)
• M23: 25,790,823 km (0.07 R)
• M24: 35,756,883 km (0.047 R)
• M25: 39,817,418 km (0.102 R)
• M26: 41,137,470 km (0.099 R)
• M27: 42,790,077 km (0.116 R)
• M28: 47,521,260 km (0.099 R)
• M29: 50,861,930 km (0.113 R)
• M30: 51,376,098 km (0.045 R)
• M31: 61,816,832 km (0.09 R)
• M32: 64,581,401 km (0.075 R)
• M33: 67,633,646 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.6

Radius: 4.1

Gravity: 14.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.28 AU - 11.56 AU

Year: 19866 Days

Day: 22.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,102,664 km

• M1: 51,013 km (0.075 R)
• M2: 457,919 km (0.11 R)
• M3: 1,175,091 km (0.112 R)
• M4: 1,645,726 km (0.118 R)
• M5: 2,388,330 km (0.089 R)
• M6: 2,531,046 km (0.066 R)
• M7: 2,855,973 km (0.06 R)
• M8: 6,217,437 km (0.11 R)
• M9: 7,783,428 km (0.091 R)
• M10: 9,191,742 km (0.056 R)
• M11: 10,113,714 km (0.082 R)
• M12: 12,079,878 km (0.047 R)
• M13: 13,120,930 km (0.034 R)
• M14: 16,162,554 km (0.073 R)
• M15: 29,419,319 km (0.105 R)
• M16: 39,061,949 km (0.09 R)
• M17: 41,730,027 km (0.072 R)
• M18: 42,277,705 km (0.068 R)
• M19: 47,425,517 km (0.092 R)
• M20: 52,497,334 km (0.09 R)
• M21: 52,656,356 km (0.106 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 18,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit