🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.5

Radius: 11.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.04 AU - 1.22 AU

Year: 844 Days

Day: 7.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,608,727 km

• M1: 143,464 km (0.053 R)
• M2: 512,074 km (0.067 R)
• M3: 1,073,365 km (0.102 R)
• M4: 1,518,269 km (0.096 R)
• M5: 1,913,058 km (0.095 R)
• M6: 2,816,629 km (0.072 R)
• M7: 3,393,329 km (0.072 R)
• M8: 3,755,355 km (0.08 R)
• M9: 4,523,540 km (0.059 R)
• M10: 5,110,413 km (0.089 R)
• M11: 5,808,137 km (0.109 R)
• M12: 6,590,085 km (0.1 R)
• M13: 7,440,998 km (0.066 R)
• M14: 7,955,764 km (0.058 R)
• M15: 9,111,408 km (0.119 R)
• M16: 9,586,680 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 10.2

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.66 AU - 1.72 AU

Year: 1544 Days

Day: 5.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,608,727 km

• M1: 127,158 km (0.097 R)
• M2: 570,716 km (0.115 R)
• M3: 1,840,353 km (0.118 R)
• M4: 2,368,433 km (0.116 R)
• M5: 3,729,176 km (0.094 R)
• M6: 4,658,328 km (0.042 R)
• M7: 5,049,377 km (0.065 R)
• M8: 6,257,978 km (0.105 R)
• M9: 7,209,570 km (0.11 R)
• M10: 7,565,912 km (0.086 R)
• M11: 11,034,937 km (0.051 R)
• M12: 11,583,363 km (0.119 R)
• M13: 11,996,852 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 10.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.96 AU - 4.68 AU

Year: 5248 Days

Day: 5.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,608,727 km

• M1: 138,976 km (0.036 R)
• M2: 507,137 km (0.084 R)
• M3: 949,348 km (0.104 R)
• M4: 1,806,843 km (0.103 R)
• M5: 2,241,425 km (0.108 R)
• M6: 2,603,003 km (0.083 R)
• M7: 3,308,207 km (0.108 R)
• M8: 3,649,889 km (0.116 R)
• M9: 5,260,160 km (0.092 R)
• M10: 5,749,645 km (0.089 R)
• M11: 6,153,708 km (0.115 R)
• M12: 7,119,961 km (0.081 R)
• M13: 7,481,090 km (0.059 R)
• M14: 8,018,296 km (0.101 R)
• M15: 10,760,276 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 8.5

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.62 AU - 4.62 AU

Year: 5878 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,608,727 km

• M1: 111,450 km (0.117 R)
• M2: 503,247 km (0.095 R)
• M3: 1,038,658 km (0.118 R)
• M4: 1,559,259 km (0.083 R)
• M5: 2,244,716 km (0.1 R)
• M6: 3,264,974 km (0.047 R)
• M7: 3,854,389 km (0.081 R)
• M8: 5,304,142 km (0.114 R)
• M9: 6,659,798 km (0.104 R)
• M10: 7,232,459 km (0.113 R)
• M11: 7,568,904 km (0.081 R)
• M12: 11,381,107 km (0.108 R)
• M13: 13,782,302 km (0.097 R)
• M14: 16,374,385 km (0.096 R)
• M15: 18,158,489 km (0.048 R)
• M16: 20,141,558 km (0.087 R)
• M17: 21,261,298 km (0.101 R)
• M18: 23,219,086 km (0.09 R)
• M19: 23,870,135 km (0.117 R)
• M20: 24,200,148 km (0.117 R)
• M21: 28,494,505 km (0.098 R)
• M22: 29,334,796 km (0.052 R)
• M23: 32,356,224 km (0.071 R)
• M24: 33,066,216 km (0.116 R)
• M25: 34,833,415 km (0.091 R)
• M26: 35,151,610 km (0.086 R)
• M27: 36,226,620 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171

Radius: 14.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.95 AU - 5.77 AU

Year: 7531 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,608,727 km

• M1: 179,069 km (0.111 R)
• M2: 651,200 km (0.112 R)
• M3: 1,731,147 km (0.109 R)
• M4: 3,373,582 km (0.109 R)
• M5: 6,381,247 km (0.047 R)
• M6: 7,440,549 km (0.076 R)
• M7: 7,978,204 km (0.103 R)
• M8: 11,591,292 km (0.108 R)
• M9: 13,070,067 km (0.074 R)
• M10: 13,606,525 km (0.109 R)
• M11: 17,139,877 km (0.107 R)
• M12: 21,782,796 km (0.086 R)
• M13: 24,028,111 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.4

Radius: 3.4

Gravity: 76.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.21 AU - 9.15 AU

Year: 16445 Days

Day: 17.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,608,727 km

• M1: 272,867 km (0.092 R)
• M2: 424,559 km (0.05 R)
• M3: 631,602 km (0.076 R)
• M4: 773,571 km (0.08 R)
• M5: 972,087 km (0.118 R)
• M6: 3,288,760 km (0.063 R)
• M7: 3,747,875 km (0.09 R)
• M8: 6,743,423 km (0.105 R)
• M9: 8,218,907 km (0.104 R)
• M10: 10,363,841 km (0.108 R)
• M11: 12,049,809 km (0.092 R)
• M12: 17,673,792 km (0.085 R)
• M13: 17,843,884 km (0.08 R)
• M14: 18,798,917 km (0.085 R)
• M15: 19,970,867 km (0.087 R)
• M16: 23,162,837 km (0.099 R)
• M17: 29,567,271 km (0.098 R)
• M18: 31,025,102 km (0.096 R)
• M19: 31,148,670 km (0.099 R)
• M20: 47,171,350 km (0.103 R)
• M21: 60,507,402 km (0.104 R)
• M22: 62,258,894 km (0.115 R)
• M23: 64,646,476 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 12,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit