🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.1

Radius: 12.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.66 AU - 0.9 AU

Year: 467 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,995,932 km

• M1: 156,629 km (0.053 R)
• M2: 650,003 km (0.113 R)
• M3: 1,198,129 km (0.107 R)
• M4: 1,766,601 km (0.075 R)
• M5: 2,224,969 km (0.106 R)
• M6: 2,683,636 km (0.1 R)
• M7: 3,228,023 km (0.087 R)
• M8: 3,623,111 km (0.094 R)
• M9: 4,063,677 km (0.1 R)
• M10: 4,683,161 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 11.8

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.99 AU - 2.49 AU

Year: 2274 Days

Day: 6.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,995,932 km

• M1: 146,756 km (0.116 R)
• M2: 615,745 km (0.054 R)
• M3: 1,037,312 km (0.087 R)
• M4: 1,637,349 km (0.101 R)
• M5: 2,052,184 km (0.078 R)
• M6: 2,616,916 km (0.106 R)
• M7: 2,995,249 km (0.09 R)
• M8: 3,829,107 km (0.112 R)
• M9: 4,434,530 km (0.109 R)
• M10: 4,934,935 km (0.045 R)
• M11: 5,653,154 km (0.113 R)
• M12: 7,628,444 km (0.109 R)
• M13: 8,408,747 km (0.062 R)
• M14: 9,114,849 km (0.032 R)
• M15: 10,892,520 km (0.091 R)
• M16: 11,995,655 km (0.084 R)
• M17: 12,457,314 km (0.117 R)
• M18: 13,457,226 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 11.6

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.65 AU - 3.69 AU

Year: 3828 Days

Day: 6.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,995,932 km

• M1: 144,212 km (0.083 R)
• M2: 623,524 km (0.108 R)
• M3: 2,147,926 km (0.118 R)
• M4: 2,649,378 km (0.068 R)
• M5: 3,020,231 km (0.062 R)
• M6: 3,548,461 km (0.091 R)
• M7: 3,912,134 km (0.066 R)
• M8: 4,690,192 km (0.086 R)
• M9: 5,210,195 km (0.084 R)
• M10: 5,596,905 km (0.059 R)
• M11: 6,616,863 km (0.064 R)
• M12: 7,792,104 km (0.092 R)
• M13: 9,340,143 km (0.057 R)
• M14: 9,788,338 km (0.083 R)
• M15: 11,084,005 km (0.085 R)
• M16: 12,442,205 km (0.098 R)
• M17: 13,136,339 km (0.096 R)
• M18: 14,656,103 km (0.095 R)
• M19: 16,348,504 km (0.076 R)
• M20: 17,060,740 km (0.111 R)
• M21: 17,608,417 km (0.066 R)
• M22: 18,931,760 km (0.109 R)
• M23: 26,316,509 km (0.107 R)
• M24: 27,377,458 km (0.092 R)
• M25: 28,297,185 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 12.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.94 AU - 3.68 AU

Year: 4084 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,995,932 km

• M1: 156,779 km (0.095 R)
• M2: 617,989 km (0.057 R)
• M3: 1,018,014 km (0.116 R)
• M4: 1,554,471 km (0.064 R)
• M5: 2,846,997 km (0.047 R)
• M6: 3,369,991 km (0.089 R)
• M7: 3,803,825 km (0.12 R)
• M8: 6,948,671 km (0.075 R)
• M9: 7,483,783 km (0.068 R)
• M10: 9,216,575 km (0.09 R)
• M11: 10,540,367 km (0.12 R)
• M12: 11,157,907 km (0.083 R)
• M13: 12,465,542 km (0.047 R)
• M14: 13,307,927 km (0.109 R)
• M15: 13,977,378 km (0.087 R)
• M16: 15,721,240 km (0.086 R)
• M17: 16,121,265 km (0.073 R)
• M18: 16,763,638 km (0.083 R)
• M19: 18,350,124 km (0.101 R)
• M20: 18,793,831 km (0.074 R)
• M21: 19,505,468 km (0.09 R)
• M22: 25,625,666 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.4

Radius: 13

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.59 AU - 5.87 AU

Year: 6977 Days

Day: 10.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,995,932 km

• M1: 161,865 km (0.091 R)
• M2: 607,517 km (0.079 R)
• M3: 1,655,300 km (0.113 R)
• M4: 2,306,201 km (0.107 R)
• M5: 4,549,122 km (0.087 R)
• M6: 6,343,099 km (0.117 R)
• M7: 6,972,757 km (0.079 R)
• M8: 8,046,421 km (0.088 R)
• M9: 8,569,564 km (0.101 R)
• M10: 10,438,939 km (0.099 R)
• M11: 12,566,520 km (0.092 R)
• M12: 14,506,655 km (0.068 R)
• M13: 15,655,118 km (0.095 R)
• M14: 18,609,826 km (0.077 R)
• M15: 22,323,443 km (0.109 R)
• M16: 23,149,223 km (0.032 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226

Radius: 3.4

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.74 AU - 6.24 AU

Year: 9943 Days

Day: 24 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,995,932 km

• M1: 47,423 km (0.116 R)
• M2: 821,292 km (0.106 R)
• M3: 1,072,318 km (0.055 R)
• M4: 1,922,781 km (0.08 R)
• M5: 2,717,595 km (0.089 R)
• M6: 2,985,525 km (0.108 R)
• M7: 4,336,992 km (0.09 R)
• M8: 6,339,808 km (0.105 R)
• M9: 9,777,118 km (0.091 R)
• M10: 10,634,165 km (0.057 R)
• M11: 13,668,458 km (0.093 R)
• M12: 21,742,405 km (0.099 R)
• M13: 23,509,305 km (0.073 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: 510 - 15,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit