🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.1

Radius: 13.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 5.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,509,730 km

• M1: 169,195 km (0.117 R)
• M2: 619,335 km (0.096 R)
• M3: 1,058,405 km (0.074 R)
• M4: 1,710,951 km (0.082 R)
• M5: 2,150,769 km (0.045 R)
• M6: 2,667,180 km (0.099 R)
• M7: 3,965,989 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.4

Radius: 14.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.7 AU - 0.78 AU

Year: 439 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,509,730 km

• M1: 184,005 km (0.115 R)
• M2: 665,262 km (0.091 R)
• M3: 1,229,545 km (0.112 R)
• M4: 1,793,828 km (0.115 R)
• M5: 3,145,295 km (0.11 R)
• M6: 4,483,747 km (0.088 R)
• M7: 5,080,194 km (0.119 R)
• M8: 5,816,515 km (0.116 R)
• M9: 6,452,306 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.3

Radius: 10.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.19 AU - 1.53 AU

Year: 1095 Days

Day: 9 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,509,730 km

• M1: 134,339 km (0.029 R)
• M2: 529,726 km (0.1 R)
• M3: 879,635 km (0.108 R)
• M4: 1,461,721 km (0.117 R)
• M5: 1,850,077 km (0.072 R)
• M6: 2,248,755 km (0.092 R)
• M7: 2,828,297 km (0.034 R)
• M8: 4,136,531 km (0.102 R)
• M9: 5,303,095 km (0.069 R)
• M10: 6,039,565 km (0.106 R)
• M11: 7,580,274 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.1

Radius: 13.6

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.68 AU - 2.7 AU

Year: 2237 Days

Day: 5.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,509,730 km

• M1: 169,195 km (0.081 R)
• M2: 613,501 km (0.094 R)
• M3: 1,607,728 km (0.103 R)
• M4: 2,073,127 km (0.112 R)
• M5: 2,557,974 km (0.098 R)
• M6: 3,250,612 km (0.12 R)
• M7: 4,204,299 km (0.12 R)
• M8: 4,856,844 km (0.115 R)
• M9: 5,479,471 km (0.082 R)
• M10: 7,673,324 km (0.102 R)
• M11: 9,153,146 km (0.12 R)
• M12: 10,252,840 km (0.111 R)
• M13: 12,971,631 km (0.104 R)
• M14: 13,630,610 km (0.073 R)
• M15: 14,358,104 km (0.095 R)
• M16: 15,255,542 km (0.062 R)
• M17: 15,990,068 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.5

Radius: 6.7

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.5 AU - 9.5 AU

Year: 15619 Days

Day: 17.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,509,730 km

• M1: 84,672 km (0.096 R)
• M2: 327,919 km (0.079 R)
• M3: 591,061 km (0.04 R)
• M4: 1,042,398 km (0.102 R)
• M5: 1,528,142 km (0.049 R)
• M6: 2,214,348 km (0.111 R)
• M7: 2,752,002 km (0.068 R)
• M8: 3,646,448 km (0.086 R)
• M9: 4,114,540 km (0.055 R)
• M10: 4,426,900 km (0.104 R)
• M11: 4,994,175 km (0.085 R)
• M12: 5,313,567 km (0.074 R)
• M13: 7,524,623 km (0.099 R)
• M14: 8,136,628 km (0.043 R)
• M15: 8,781,245 km (0.074 R)
• M16: 9,784,000 km (0.088 R)
• M17: 13,181,068 km (0.109 R)
• M18: 13,450,195 km (0.112 R)
• M19: 14,706,967 km (0.099 R)
• M20: 15,216,198 km (0.093 R)
• M21: 17,051,614 km (0.097 R)
• M22: 19,809,600 km (0.104 R)
• M23: 22,276,469 km (0.05 R)
• M24: 22,947,865 km (0.073 R)
• M25: 25,979,316 km (0.114 R)
• M26: 27,046,397 km (0.115 R)
• M27: 29,040,088 km (0.079 R)
• M28: 29,381,620 km (0.047 R)
• M29: 31,248,751 km (0.12 R)
• M30: 32,333,037 km (0.112 R)
• M31: 33,069,657 km (0.073 R)
• M32: 34,195,530 km (0.104 R)
• M33: 37,054,794 km (0.101 R)
• M34: 39,929,168 km (0.077 R)
• M35: 42,508,235 km (0.111 R)
• M36: 43,689,460 km (0.111 R)
• M37: 51,571,472 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 17,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit