🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.7

Radius: 12.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.82 AU - 1.3 AU

Year: 705 Days

Day: 11.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,413,867 km

• M1: 154,235 km (0.109 R)
• M2: 591,510 km (0.113 R)
• M3: 1,074,861 km (0.098 R)
• M4: 1,507,348 km (0.114 R)
• M5: 1,925,175 km (0.091 R)
• M6: 2,937,205 km (0.075 R)
• M7: 3,361,614 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.6

Radius: 13.1

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.17 AU - 1.73 AU

Year: 1127 Days

Day: 7.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,413,867 km

• M1: 162,912 km (0.089 R)
• M2: 618,288 km (0.1 R)
• M3: 1,064,090 km (0.111 R)
• M4: 1,682,976 km (0.036 R)
• M5: 2,468,066 km (0.084 R)
• M6: 2,914,466 km (0.083 R)
• M7: 3,585,263 km (0.074 R)
• M8: 4,114,390 km (0.055 R)
• M9: 5,739,023 km (0.044 R)
• M10: 6,707,370 km (0.032 R)
• M11: 7,955,016 km (0.09 R)
• M12: 8,464,248 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.3

Radius: 9.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.5 AU - 3.46 AU

Year: 3322 Days

Day: 5.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,413,867 km

• M1: 117,883 km (0.052 R)
• M2: 457,769 km (0.115 R)
• M3: 888,911 km (0.098 R)
• M4: 1,527,245 km (0.053 R)
• M5: 6,072,776 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 13

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.73 AU - 4.45 AU

Year: 5341 Days

Day: 7 Hours

Environment

Temp: -214 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,413,867 km

• M1: 161,715 km (0.1 R)
• M2: 573,857 km (0.057 R)
• M3: 1,151,455 km (0.087 R)
• M4: 1,633,758 km (0.03 R)
• M5: 2,349,584 km (0.042 R)
• M6: 3,372,235 km (0.069 R)
• M7: 4,256,209 km (0.063 R)
• M8: 5,058,652 km (0.096 R)
• M9: 6,217,437 km (0.098 R)
• M10: 6,894,667 km (0.067 R)
• M11: 7,508,616 km (0.095 R)
• M12: 8,971,384 km (0.112 R)
• M13: 9,615,852 km (0.092 R)
• M14: 10,522,864 km (0.112 R)
• M15: 14,094,214 km (0.116 R)
• M16: 15,384,944 km (0.079 R)
• M17: 16,121,415 km (0.119 R)
• M18: 18,955,097 km (0.109 R)
• M19: 19,375,318 km (0.077 R)
• M20: 22,649,716 km (0.083 R)
• M21: 23,202,630 km (0.096 R)
• M22: 24,665,996 km (0.076 R)
• M23: 25,167,299 km (0.03 R)
• M24: 28,227,772 km (0.078 R)
• M25: 29,145,854 km (0.037 R)
• M26: 31,822,609 km (0.092 R)
• M27: 33,220,750 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.1

Radius: 4.6

Gravity: 43.44 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.66 AU - 8.4 AU

Year: 13342 Days

Day: 19.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,413,867 km

• M1: 57,894 km (0.088 R)
• M2: 204,500 km (0.06 R)
• M3: 462,557 km (0.113 R)
• M4: 776,712 km (0.081 R)
• M5: 1,586,336 km (0.099 R)
• M6: 3,119,116 km (0.104 R)
• M7: 4,278,200 km (0.102 R)
• M8: 4,469,087 km (0.115 R)
• M9: 5,040,999 km (0.065 R)
• M10: 6,087,137 km (0.107 R)
• M11: 6,745,817 km (0.083 R)
• M12: 8,800,992 km (0.066 R)
• M13: 10,025,451 km (0.086 R)
• M14: 10,765,661 km (0.093 R)
• M15: 11,119,311 km (0.085 R)
• M16: 12,226,933 km (0.103 R)
• M17: 12,418,269 km (0.106 R)
• M18: 14,802,560 km (0.081 R)
• M19: 19,483,178 km (0.094 R)
• M20: 22,679,336 km (0.092 R)
• M21: 23,850,837 km (0.08 R)
• M22: 24,959,657 km (0.114 R)
• M23: 28,157,760 km (0.117 R)
• M24: 30,435,088 km (0.115 R)
• M25: 32,955,364 km (0.111 R)
• M26: 38,270,127 km (0.09 R)
• M27: 38,817,356 km (0.119 R)
• M28: 39,092,916 km (0.073 R)
• M29: 40,773,648 km (0.087 R)
• M30: 47,035,216 km (0.069 R)
• M31: 54,595,294 km (0.104 R)
• M32: 59,206,798 km (0.11 R)
• M33: 60,122,337 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.9

Radius: 5.9

Gravity: 16.86 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.48 AU - 10.74 AU

Year: 19235 Days

Day: 24.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,413,867 km

• M1: 86,468 km (0.059 R)
• M2: 644,617 km (0.075 R)
• M3: 1,082,640 km (0.081 R)
• M4: 1,771,239 km (0.117 R)
• M5: 6,568,992 km (0.094 R)
• M6: 12,294,402 km (0.082 R)
• M7: 12,559,190 km (0.111 R)
• M8: 14,741,374 km (0.101 R)
• M9: 15,115,518 km (0.064 R)
• M10: 15,572,839 km (0.067 R)
• M11: 23,994,002 km (0.11 R)
• M12: 25,462,306 km (0.118 R)
• M13: 31,688,270 km (0.082 R)
• M14: 35,018,019 km (0.089 R)
• M15: 39,858,557 km (0.107 R)
• M16: 49,828,508 km (0.111 R)
• M17: 50,840,537 km (0.059 R)
• M18: 59,812,071 km (0.051 R)
• M19: 66,277,242 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 19,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit