🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 9.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.46 AU - 0.76 AU

Year: 323 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,628,057 km

• M1: 121,922 km (0.101 R)
• M2: 464,651 km (0.083 R)
• M3: 856,298 km (0.059 R)
• M4: 1,162,824 km (0.083 R)
• M5: 1,544,448 km (0.09 R)
• M6: 1,891,815 km (0.119 R)
• M7: 2,354,371 km (0.098 R)
• M8: 2,782,969 km (0.115 R)
• M9: 3,363,708 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 14.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.49 AU - 0.75 AU

Year: 331 Days

Day: 11.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,628,057 km

• M1: 181,612 km (0.073 R)
• M2: 656,136 km (0.112 R)
• M3: 1,205,460 km (0.051 R)
• M4: 1,708,108 km (0.07 R)
• M5: 2,438,894 km (0.074 R)
• M6: 3,013,500 km (0.029 R)
• M7: 3,736,656 km (0.091 R)
• M8: 4,346,566 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 13.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.66 AU - 1.08 AU

Year: 550 Days

Day: 14.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,628,057 km

• M1: 171,589 km (0.039 R)
• M2: 677,978 km (0.111 R)
• M3: 1,199,775 km (0.086 R)
• M4: 3,090,991 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.6

Radius: 7.5

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.63 AU - 7.51 AU

Year: 11422 Days

Day: 18.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,628,057 km

• M1: 95,593 km (0.082 R)
• M2: 332,406 km (0.113 R)
• M3: 716,125 km (0.086 R)
• M4: 1,029,084 km (0.099 R)
• M5: 1,300,155 km (0.068 R)
• M6: 1,574,518 km (0.116 R)
• M7: 2,167,673 km (0.096 R)
• M8: 3,084,858 km (0.095 R)
• M9: 3,954,321 km (0.063 R)
• M10: 5,621,589 km (0.081 R)
• M11: 8,713,029 km (0.102 R)
• M12: 9,000,855 km (0.111 R)
• M13: 10,163,530 km (0.087 R)
• M14: 14,051,878 km (0.111 R)
• M15: 14,784,010 km (0.101 R)
• M16: 15,965,234 km (0.091 R)
• M17: 16,762,292 km (0.079 R)
• M18: 17,661,824 km (0.113 R)
• M19: 20,722,596 km (0.119 R)
• M20: 21,758,113 km (0.115 R)
• M21: 22,737,380 km (0.068 R)
• M22: 30,320,197 km (0.096 R)
• M23: 30,649,911 km (0.092 R)
• M24: 33,726,092 km (0.063 R)
• M25: 36,133,421 km (0.115 R)
• M26: 37,631,344 km (0.11 R)
• M27: 39,040,556 km (0.108 R)
• M28: 39,955,347 km (0.091 R)
• M29: 41,018,240 km (0.049 R)
• M30: 45,746,730 km (0.066 R)
• M31: 51,447,157 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 567.7

Radius: 7.8

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.16 AU - 9.98 AU

Year: 15549 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,628,057 km

• M1: 100,829 km (0.102 R)
• M2: 383,120 km (0.099 R)
• M3: 1,324,540 km (0.112 R)
• M4: 2,468,215 km (0.084 R)
• M5: 4,566,924 km (0.096 R)
• M6: 5,558,159 km (0.104 R)
• M7: 8,727,839 km (0.037 R)
• M8: 11,094,477 km (0.065 R)
• M9: 16,061,426 km (0.111 R)
• M10: 19,151,071 km (0.113 R)
• M11: 20,089,348 km (0.114 R)
• M12: 25,043,880 km (0.099 R)
• M13: 25,651,397 km (0.082 R)
• M14: 32,998,298 km (0.112 R)
• M15: 38,204,304 km (0.101 R)
• M16: 51,823,994 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.6

Radius: 4.5

Gravity: 32.77 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.89 AU - 8.75 AU

Year: 16277 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,628,057 km

• M1: 56,099 km (0.117 R)
• M2: 264,190 km (0.105 R)
• M3: 464,501 km (0.053 R)
• M4: 663,167 km (0.037 R)
• M5: 1,032,076 km (0.117 R)
• M6: 1,671,756 km (0.073 R)
• M7: 2,224,820 km (0.105 R)
• M8: 2,678,999 km (0.067 R)
• M9: 3,350,544 km (0.099 R)
• M10: 3,654,078 km (0.047 R)
• M11: 3,945,644 km (0.11 R)
• M12: 4,411,940 km (0.081 R)
• M13: 5,054,164 km (0.11 R)
• M14: 5,305,788 km (0.052 R)
• M15: 7,444,588 km (0.091 R)
• M16: 8,203,349 km (0.117 R)
• M17: 9,708,004 km (0.064 R)
• M18: 10,906,134 km (0.079 R)
• M19: 12,521,791 km (0.089 R)
• M20: 14,219,577 km (0.105 R)
• M21: 15,234,299 km (0.11 R)
• M22: 18,736,834 km (0.106 R)
• M23: 19,954,710 km (0.076 R)
• M24: 20,133,031 km (0.085 R)
• M25: 21,690,794 km (0.113 R)
• M26: 22,259,266 km (0.105 R)
• M27: 26,198,776 km (0.094 R)
• M28: 33,252,615 km (0.069 R)
• M29: 37,957,318 km (0.086 R)
• M30: 40,325,452 km (0.111 R)
• M31: 41,473,167 km (0.073 R)
• M32: 47,698,832 km (0.089 R)
• M33: 51,449,849 km (0.092 R)
• M34: 54,345,466 km (0.092 R)
• M35: 56,631,620 km (0.086 R)
• M36: 59,164,462 km (0.102 R)
• M37: 59,716,927 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 17,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit