🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.6

Radius: 14

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.89 AU - 1.43 AU

Year: 820 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,481,102 km

• M1: 174,581 km (0.046 R)
• M2: 642,972 km (0.08 R)
• M3: 1,117,197 km (0.041 R)
• M4: 1,611,917 km (0.057 R)
• M5: 2,367,985 km (0.062 R)
• M6: 2,849,391 km (0.085 R)
• M7: 4,262,193 km (0.11 R)
• M8: 4,849,365 km (0.061 R)
• M9: 5,348,273 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134

Radius: 10.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.23 AU - 1.89 AU

Year: 1278 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,481,102 km

• M1: 126,859 km (0.062 R)
• M2: 697,575 km (0.119 R)
• M3: 1,073,963 km (0.115 R)
• M4: 1,536,370 km (0.066 R)
• M5: 1,987,408 km (0.111 R)
• M6: 3,063,764 km (0.066 R)
• M7: 4,708,443 km (0.031 R)
• M8: 5,351,864 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.1

Radius: 9.9

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.75 AU - 1.87 AU

Year: 1597 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,481,102 km

• M1: 123,119 km (0.098 R)
• M2: 479,012 km (0.07 R)
• M3: 821,143 km (0.06 R)
• M4: 1,171,651 km (0.058 R)
• M5: 1,682,378 km (0.115 R)
• M6: 2,070,734 km (0.101 R)
• M7: 3,475,159 km (0.092 R)
• M8: 3,801,581 km (0.064 R)
• M9: 4,320,087 km (0.108 R)
• M10: 4,657,580 km (0.102 R)
• M11: 5,055,660 km (0.104 R)
• M12: 5,453,590 km (0.114 R)
• M13: 5,777,470 km (0.072 R)
• M14: 7,286,912 km (0.048 R)
• M15: 8,665,157 km (0.063 R)
• M16: 9,866,728 km (0.068 R)
• M17: 11,139,207 km (0.066 R)
• M18: 12,839,237 km (0.101 R)
• M19: 13,624,327 km (0.063 R)
• M20: 15,289,950 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 15

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.87 AU - 2.99 AU

Year: 3290 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,481,102 km

• M1: 187,895 km (0.1 R)
• M2: 1,270,236 km (0.093 R)
• M3: 1,854,116 km (0.072 R)
• M4: 2,355,269 km (0.093 R)
• M5: 2,997,493 km (0.061 R)
• M6: 3,736,207 km (0.089 R)
• M7: 5,376,996 km (0.091 R)
• M8: 6,415,953 km (0.105 R)
• M9: 7,971,921 km (0.103 R)
• M10: 8,542,936 km (0.099 R)
• M11: 9,395,793 km (0.085 R)
• M12: 11,396,515 km (0.039 R)
• M13: 12,386,404 km (0.113 R)
• M14: 12,970,734 km (0.062 R)
• M15: 15,188,223 km (0.109 R)
• M16: 15,858,272 km (0.095 R)
• M17: 18,504,957 km (0.051 R)
• M18: 20,612,043 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.2

Radius: 8.6

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.49 AU - 4.69 AU

Year: 5426 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,481,102 km

• M1: 112,946 km (0.103 R)
• M2: 412,142 km (0.076 R)
• M3: 2,436,351 km (0.088 R)
• M4: 2,704,879 km (0.059 R)
• M5: 3,182,096 km (0.086 R)
• M6: 4,642,172 km (0.066 R)
• M7: 8,815,354 km (0.107 R)
• M8: 10,319,560 km (0.035 R)
• M9: 11,554,790 km (0.086 R)
• M10: 12,431,284 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.5

Radius: 4.9

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.1 AU - 6.14 AU

Year: 9932 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,481,102 km

• M1: 61,036 km (0.091 R)
• M2: 519,105 km (0.112 R)
• M3: 672,891 km (0.087 R)
• M4: 1,047,185 km (0.084 R)
• M5: 1,425,817 km (0.116 R)
• M6: 2,816,778 km (0.074 R)
• M7: 3,411,280 km (0.049 R)
• M8: 4,036,450 km (0.051 R)
• M9: 4,900,677 km (0.074 R)
• M10: 5,420,828 km (0.082 R)
• M11: 6,203,375 km (0.065 R)
• M12: 9,557,210 km (0.106 R)
• M13: 11,270,255 km (0.109 R)
• M14: 12,173,228 km (0.106 R)
• M15: 15,470,813 km (0.112 R)
• M16: 20,681,307 km (0.076 R)
• M17: 20,902,263 km (0.081 R)
• M18: 23,677,603 km (0.067 R)
• M19: 26,776,224 km (0.107 R)
• M20: 30,229,092 km (0.064 R)
• M21: 31,963,530 km (0.1 R)
• M22: 33,156,124 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 19,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit