🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 9

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,878,357 km

• M1: 111,899 km (0.083 R)
• M2: 411,095 km (0.063 R)
• M3: 763,248 km (0.092 R)
• M4: 1,087,577 km (0.07 R)
• M5: 1,630,018 km (0.117 R)
• M6: 2,057,120 km (0.115 R)
• M7: 2,593,279 km (0.109 R)
• M8: 2,987,320 km (0.098 R)
• M9: 3,421,004 km (0.115 R)
• M10: 3,802,479 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.3

Radius: 10.8

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.64 AU - 0.84 AU

Year: 424 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,878,357 km

• M1: 134,339 km (0.054 R)
• M2: 542,442 km (0.066 R)
• M3: 932,743 km (0.115 R)
• M4: 1,427,313 km (0.113 R)
• M5: 1,948,213 km (0.028 R)
• M6: 2,434,107 km (0.088 R)
• M7: 2,954,857 km (0.071 R)
• M8: 3,326,458 km (0.098 R)
• M9: 3,781,834 km (0.067 R)
• M10: 4,122,319 km (0.05 R)
• M11: 5,336,006 km (0.107 R)
• M12: 5,695,640 km (0.106 R)
• M13: 6,349,981 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 10.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.72 AU - 0.78 AU

Year: 433 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,878,357 km

• M1: 135,236 km (0.054 R)
• M2: 639,980 km (0.104 R)
• M3: 1,012,030 km (0.103 R)
• M4: 1,357,451 km (0.12 R)
• M5: 1,694,345 km (0.111 R)
• M6: 2,054,278 km (0.082 R)
• M7: 2,390,275 km (0.113 R)
• M8: 3,008,114 km (0.109 R)
• M9: 3,408,737 km (0.101 R)
• M10: 3,832,099 km (0.03 R)
• M11: 4,220,904 km (0.047 R)
• M12: 4,650,699 km (0.059 R)
• M13: 5,062,392 km (0.097 R)
• M14: 5,977,033 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 10.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.95 AU - 1.39 AU

Year: 844 Days

Day: 13.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,878,357 km

• M1: 133,142 km (0.059 R)
• M2: 498,311 km (0.069 R)
• M3: 951,293 km (0.093 R)
• M4: 1,410,259 km (0.088 R)
• M5: 2,042,161 km (0.072 R)
• M6: 2,429,469 km (0.06 R)
• M7: 3,042,671 km (0.11 R)
• M8: 4,205,795 km (0.057 R)
• M9: 4,594,151 km (0.1 R)
• M10: 5,109,066 km (0.108 R)
• M11: 5,497,572 km (0.025 R)
• M12: 5,924,824 km (0.075 R)
• M13: 6,474,745 km (0.098 R)
• M14: 7,429,778 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.1

Radius: 8.1

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.28 AU - 5.4 AU

Year: 8229 Days

Day: 10.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,878,357 km

• M1: 102,026 km (0.081 R)
• M2: 363,523 km (0.102 R)
• M3: 683,662 km (0.081 R)
• M4: 1,122,134 km (0.072 R)
• M5: 1,454,091 km (0.052 R)
• M6: 1,909,467 km (0.06 R)
• M7: 2,421,990 km (0.057 R)
• M8: 2,825,305 km (0.091 R)
• M9: 3,720,200 km (0.098 R)
• M10: 6,767,359 km (0.073 R)
• M11: 7,233,955 km (0.077 R)
• M12: 7,683,496 km (0.083 R)
• M13: 10,782,865 km (0.064 R)
• M14: 12,660,917 km (0.093 R)
• M15: 14,104,536 km (0.094 R)
• M16: 15,593,184 km (0.063 R)
• M17: 23,642,447 km (0.093 R)
• M18: 29,809,620 km (0.047 R)
• M19: 33,158,817 km (0.08 R)
• M20: 34,712,989 km (0.094 R)
• M21: 35,135,603 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.4

Radius: 3.4

Gravity: 21.83 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.66 AU - 8.1 AU

Year: 12034 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,878,357 km

• M1: 81,082 km (0.059 R)
• M2: 334,650 km (0.084 R)
• M3: 572,511 km (0.116 R)
• M4: 678,726 km (0.099 R)
• M5: 1,090,868 km (0.117 R)
• M6: 2,435,753 km (0.067 R)
• M7: 3,305,515 km (0.118 R)
• M8: 3,871,892 km (0.067 R)
• M9: 4,204,448 km (0.094 R)
• M10: 4,667,454 km (0.104 R)
• M11: 5,073,612 km (0.068 R)
• M12: 5,346,927 km (0.093 R)
• M13: 6,789,649 km (0.087 R)
• M14: 8,515,111 km (0.118 R)
• M15: 10,270,791 km (0.114 R)
• M16: 17,841,341 km (0.079 R)
• M17: 18,828,687 km (0.076 R)
• M18: 19,851,937 km (0.117 R)
• M19: 20,075,885 km (0.111 R)
• M20: 20,377,175 km (0.119 R)
• M21: 24,315,788 km (0.096 R)
• M22: 28,637,820 km (0.12 R)
• M23: 37,953,728 km (0.097 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 16,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit