🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.9

Radius: 13.1

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.47 AU - 0.65 AU

Year: 289 Days

Day: 7.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 39,486,965 km

• M1: 164,109 km (0.071 R)
• M2: 896,690 km (0.118 R)
• M3: 1,652,009 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 14.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.28 AU - 3.12 AU

Year: 3062 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,486,965 km

• M1: 180,116 km (0.039 R)
• M2: 712,983 km (0.101 R)
• M3: 1,366,876 km (0.066 R)
• M4: 2,234,095 km (0.095 R)
• M5: 3,251,659 km (0.062 R)
• M6: 3,722,593 km (0.096 R)
• M7: 4,302,136 km (0.11 R)
• M8: 4,826,925 km (0.096 R)
• M9: 5,345,581 km (0.086 R)
• M10: 5,927,516 km (0.087 R)
• M11: 6,551,639 km (0.099 R)
• M12: 8,125,708 km (0.102 R)
• M13: 9,977,131 km (0.117 R)
• M14: 12,570,709 km (0.082 R)
• M15: 15,636,418 km (0.115 R)
• M16: 17,643,274 km (0.11 R)
• M17: 19,462,234 km (0.096 R)
• M18: 20,235,954 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 12.1

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.52 AU - 4.78 AU

Year: 6921 Days

Day: 9 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,486,965 km

• M1: 150,645 km (0.072 R)
• M2: 616,194 km (0.084 R)
• M3: 1,025,194 km (0.06 R)
• M4: 3,391,085 km (0.116 R)
• M5: 3,998,751 km (0.104 R)
• M6: 5,251,633 km (0.086 R)
• M7: 5,871,716 km (0.069 R)
• M8: 9,375,149 km (0.11 R)
• M9: 10,964,028 km (0.092 R)
• M10: 14,849,234 km (0.09 R)
• M11: 15,399,605 km (0.085 R)
• M12: 18,921,438 km (0.079 R)
• M13: 25,463,054 km (0.036 R)
• M14: 28,156,862 km (0.11 R)
• M15: 29,958,170 km (0.068 R)
• M16: 31,935,854 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.8

Radius: 12.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.47 AU - 6.45 AU

Year: 8806 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,486,965 km

• M1: 197,469 km (0.072 R)
• M2: 677,379 km (0.064 R)
• M3: 1,099,844 km (0.032 R)
• M4: 1,733,540 km (0.109 R)
• M5: 2,250,850 km (0.108 R)
• M6: 2,696,202 km (0.076 R)
• M7: 3,510,464 km (0.047 R)
• M8: 3,988,279 km (0.04 R)
• M9: 4,482,551 km (0.06 R)
• M10: 7,443,392 km (0.115 R)
• M11: 8,033,705 km (0.052 R)
• M12: 8,654,985 km (0.066 R)
• M13: 9,130,706 km (0.1 R)
• M14: 10,469,607 km (0.031 R)
• M15: 15,271,250 km (0.043 R)
• M16: 18,324,991 km (0.09 R)
• M17: 19,623,650 km (0.09 R)
• M18: 20,599,178 km (0.089 R)
• M19: 21,293,312 km (0.086 R)
• M20: 22,242,959 km (0.08 R)
• M21: 26,236,026 km (0.104 R)
• M22: 36,948,131 km (0.107 R)
• M23: 37,858,284 km (0.116 R)
• M24: 38,783,398 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 11,841 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit