🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 12.1

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 431 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,776,480 km

• M1: 150,495 km (0.12 R)
• M2: 619,784 km (0.114 R)
• M3: 998,267 km (0.076 R)
• M4: 1,637,947 km (0.111 R)
• M5: 2,154,957 km (0.104 R)
• M6: 2,679,447 km (0.078 R)
• M7: 3,500,291 km (0.059 R)
• M8: 4,205,196 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 10.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.59 AU - 0.93 AU

Year: 457 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,776,480 km

• M1: 129,402 km (0.093 R)
• M2: 670,348 km (0.099 R)
• M3: 1,073,514 km (0.088 R)
• M4: 1,432,400 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485

Radius: 8.4

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.84 AU - 2.88 AU

Year: 3339 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 139 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,776,480 km

• M1: 105,018 km (0.1 R)
• M2: 405,261 km (0.068 R)
• M3: 756,068 km (0.05 R)
• M4: 1,099,096 km (0.115 R)
• M5: 2,187,869 km (0.118 R)
• M6: 3,379,416 km (0.114 R)
• M7: 3,973,020 km (0.12 R)
• M8: 4,909,204 km (0.057 R)
• M9: 5,774,029 km (0.086 R)
• M10: 7,060,720 km (0.032 R)
• M11: 8,427,147 km (0.086 R)
• M12: 9,155,090 km (0.111 R)
• M13: 9,516,070 km (0.068 R)
• M14: 10,735,592 km (0.107 R)
• M15: 11,590,544 km (0.089 R)
• M16: 11,885,401 km (0.099 R)
• M17: 12,979,710 km (0.095 R)
• M18: 13,297,755 km (0.06 R)
• M19: 13,714,385 km (0.106 R)
• M20: 14,427,967 km (0.061 R)
• M21: 15,367,292 km (0.066 R)
• M22: 16,346,709 km (0.05 R)
• M23: 19,653,271 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.2

Radius: 11.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.67 AU - 4.39 AU

Year: 5584 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,776,480 km

• M1: 147,952 km (0.108 R)
• M2: 542,741 km (0.106 R)
• M3: 1,417,589 km (0.12 R)
• M4: 2,355,568 km (0.087 R)
• M5: 2,857,469 km (0.095 R)
• M6: 4,305,427 km (0.064 R)
• M7: 5,520,610 km (0.062 R)
• M8: 6,087,437 km (0.063 R)
• M9: 7,521,183 km (0.079 R)
• M10: 8,550,117 km (0.114 R)
• M11: 9,707,107 km (0.046 R)
• M12: 11,947,335 km (0.097 R)
• M13: 13,120,631 km (0.078 R)
• M14: 15,443,886 km (0.071 R)
• M15: 16,676,722 km (0.067 R)
• M16: 17,973,885 km (0.094 R)
• M17: 19,570,992 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.7

Radius: 4.7

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7 AU - 7.56 AU

Year: 13558 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,776,480 km

• M1: 70,461 km (0.056 R)
• M2: 293,661 km (0.117 R)
• M3: 642,373 km (0.082 R)
• M4: 1,517,222 km (0.08 R)
• M5: 1,786,498 km (0.086 R)
• M6: 1,956,591 km (0.106 R)
• M7: 3,105,353 km (0.12 R)
• M8: 4,788,478 km (0.086 R)
• M9: 5,149,009 km (0.114 R)
• M10: 7,075,231 km (0.061 R)
• M11: 7,503,231 km (0.104 R)
• M12: 8,367,757 km (0.056 R)
• M13: 11,515,296 km (0.041 R)
• M14: 14,429,163 km (0.072 R)
• M15: 15,307,453 km (0.089 R)
• M16: 16,758,851 km (0.12 R)
• M17: 16,963,651 km (0.041 R)
• M18: 18,662,334 km (0.073 R)
• M19: 19,779,830 km (0.117 R)
• M20: 20,085,160 km (0.087 R)
• M21: 23,654,565 km (0.045 R)
• M22: 24,961,901 km (0.116 R)
• M23: 27,246,709 km (0.093 R)
• M24: 28,585,161 km (0.041 R)
• M25: 28,877,625 km (0.101 R)
• M26: 29,866,616 km (0.108 R)
• M27: 30,167,757 km (0.105 R)
• M28: 30,980,522 km (0.116 R)
• M29: 34,378,039 km (0.041 R)
• M30: 36,394,170 km (0.103 R)
• M31: 39,083,192 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 12,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit