🌌 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 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.5 AU - 0.6 AU

Year: 268 Days

Day: 25.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,673,453 km

• M1: 570,417 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.6

Radius: 14.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.84 AU - 1.24 AU

Year: 696 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,673,453 km

• M1: 177,872 km (0.116 R)
• M2: 632,350 km (0.104 R)
• M3: 1,079,049 km (0.108 R)
• M4: 1,708,408 km (0.116 R)
• M5: 2,331,632 km (0.045 R)
• M6: 3,072,291 km (0.069 R)
• M7: 3,715,114 km (0.102 R)
• M8: 4,587,120 km (0.049 R)
• M9: 5,366,973 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.6

Radius: 10.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.53 AU - 1.67 AU

Year: 1328 Days

Day: 11.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,673,453 km

• M1: 133,441 km (0.074 R)
• M2: 599,439 km (0.117 R)
• M3: 942,018 km (0.111 R)
• M4: 1,505,553 km (0.093 R)
• M5: 2,776,237 km (0.102 R)
• M6: 3,465,584 km (0.113 R)
• M7: 3,835,839 km (0.08 R)
• M8: 4,183,504 km (0.085 R)
• M9: 4,534,910 km (0.062 R)
• M10: 4,960,965 km (0.09 R)
• M11: 7,008,211 km (0.069 R)
• M12: 7,603,461 km (0.065 R)
• M13: 8,440,611 km (0.058 R)
• M14: 9,170,200 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 10.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.01 AU - 2.03 AU

Year: 1883 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 177 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,673,453 km

• M1: 129,701 km (0.113 R)
• M2: 525,986 km (0.074 R)
• M3: 936,483 km (0.06 R)
• M4: 1,332,169 km (0.046 R)
• M5: 1,711,998 km (0.043 R)
• M6: 2,264,014 km (0.034 R)
• M7: 2,624,545 km (0.063 R)
• M8: 3,262,430 km (0.118 R)
• M9: 3,583,467 km (0.099 R)
• M10: 4,153,286 km (0.112 R)
• M11: 4,932,990 km (0.103 R)
• M12: 5,662,728 km (0.078 R)
• M13: 6,281,764 km (0.118 R)
• M14: 7,195,358 km (0.105 R)
• M15: 7,772,806 km (0.048 R)
• M16: 8,349,805 km (0.066 R)
• M17: 8,792,914 km (0.075 R)
• M18: 9,589,224 km (0.109 R)
• M19: 10,110,871 km (0.09 R)
• M20: 10,835,673 km (0.049 R)
• M21: 12,389,097 km (0.111 R)
• M22: 12,966,246 km (0.106 R)
• M23: 13,389,458 km (0.025 R)
• M24: 15,221,883 km (0.114 R)
• M25: 16,368,999 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 10.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.5 AU - 3.98 AU

Year: 3826 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,673,453 km

• M1: 126,859 km (0.06 R)
• M2: 496,216 km (0.04 R)
• M3: 836,252 km (0.115 R)
• M4: 1,701,526 km (0.116 R)
• M5: 2,062,655 km (0.076 R)
• M6: 3,487,276 km (0.05 R)
• M7: 4,098,084 km (0.104 R)
• M8: 4,972,633 km (0.115 R)
• M9: 5,883,983 km (0.109 R)
• M10: 9,591,318 km (0.064 R)
• M11: 12,539,294 km (0.057 R)
• M12: 13,337,398 km (0.1 R)
• M13: 13,724,408 km (0.114 R)
• M14: 14,218,829 km (0.099 R)
• M15: 15,454,058 km (0.115 R)
• M16: 17,496,369 km (0.109 R)
• M17: 19,157,055 km (0.067 R)
• M18: 22,109,518 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.5

Radius: 6.6

Gravity: 20.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.07 AU - 8.43 AU

Year: 14153 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,673,453 km

• M1: 82,728 km (0.075 R)
• M2: 340,784 km (0.115 R)
• M3: 546,331 km (0.07 R)
• M4: 809,474 km (0.093 R)
• M5: 1,156,990 km (0.071 R)
• M6: 1,431,352 km (0.056 R)
• M7: 3,116,872 km (0.083 R)
• M8: 3,540,982 km (0.065 R)
• M9: 4,033,009 km (0.099 R)
• M10: 4,248,580 km (0.094 R)
• M11: 5,081,840 km (0.115 R)
• M12: 6,139,197 km (0.028 R)
• M13: 7,111,584 km (0.073 R)
• M14: 8,183,004 km (0.043 R)
• M15: 8,782,891 km (0.087 R)
• M16: 9,358,095 km (0.106 R)
• M17: 10,182,529 km (0.049 R)
• M18: 10,410,366 km (0.11 R)
• M19: 13,759,713 km (0.114 R)
• M20: 18,768,399 km (0.04 R)
• M21: 19,197,596 km (0.105 R)
• M22: 25,284,883 km (0.115 R)
• M23: 25,598,290 km (0.082 R)
• M24: 27,753,397 km (0.116 R)
• M25: 28,086,851 km (0.082 R)
• M26: 28,422,847 km (0.112 R)
• M27: 30,143,522 km (0.1 R)
• M28: 32,298,479 km (0.06 R)
• M29: 44,174,007 km (0.094 R)
• M30: 55,611,064 km (0.034 R)
• M31: 56,141,089 km (0.094 R)
• M32: 57,031,795 km (0.098 R)
• M33: 63,148,552 km (0.107 R)
• M34: 64,305,692 km (0.056 R)
• M35: 65,673,465 km (0.051 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 12,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit