🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.2

Radius: 12.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 9.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,712,442 km

• M1: 156,928 km (0.052 R)
• M2: 689,796 km (0.028 R)
• M3: 1,272,928 km (0.077 R)
• M4: 1,676,843 km (0.051 R)
• M5: 2,422,588 km (0.106 R)
• M6: 3,002,878 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 13.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.22 AU - 1.3 AU

Year: 976 Days

Day: 11.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,712,442 km

• M1: 167,849 km (0.114 R)
• M2: 619,036 km (0.064 R)
• M3: 1,044,193 km (0.084 R)
• M4: 1,763,759 km (0.115 R)
• M5: 2,520,874 km (0.098 R)
• M6: 3,739,498 km (0.069 R)
• M7: 4,234,667 km (0.114 R)
• M8: 4,920,124 km (0.083 R)
• M9: 5,417,537 km (0.065 R)
• M10: 6,248,404 km (0.089 R)
• M11: 6,672,065 km (0.115 R)
• M12: 7,879,918 km (0.041 R)
• M13: 8,781,245 km (0.096 R)
• M14: 9,285,689 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.7

Radius: 10.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.98 AU - 6.58 AU

Year: 8375 Days

Day: 6.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,712,442 km

• M1: 130,599 km (0.046 R)
• M2: 458,069 km (0.096 R)
• M3: 839,543 km (0.115 R)
• M4: 1,581,100 km (0.055 R)
• M5: 2,153,910 km (0.091 R)
• M6: 2,540,321 km (0.076 R)
• M7: 2,973,108 km (0.111 R)
• M8: 3,433,870 km (0.098 R)
• M9: 5,564,293 km (0.118 R)
• M10: 8,035,500 km (0.103 R)
• M11: 10,158,892 km (0.071 R)
• M12: 11,208,022 km (0.118 R)
• M13: 12,078,382 km (0.08 R)
• M14: 16,135,327 km (0.063 R)
• M15: 16,745,387 km (0.052 R)
• M16: 17,370,706 km (0.047 R)
• M17: 19,682,592 km (0.055 R)
• M18: 22,342,143 km (0.115 R)
• M19: 23,640,952 km (0.059 R)
• M20: 27,838,967 km (0.092 R)
• M21: 31,744,219 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.4

Radius: 3.7

Gravity: 59.85 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.3 AU - 8.54 AU

Year: 13951 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,712,442 km

• M1: 49,816 km (0.113 R)
• M2: 243,545 km (0.118 R)
• M3: 676,930 km (0.109 R)
• M4: 1,295,518 km (0.116 R)
• M5: 1,469,649 km (0.111 R)
• M6: 1,865,037 km (0.114 R)
• M7: 2,265,809 km (0.099 R)
• M8: 2,698,446 km (0.106 R)
• M9: 3,287,862 km (0.115 R)
• M10: 3,420,705 km (0.111 R)
• M11: 3,584,814 km (0.117 R)
• M12: 4,109,005 km (0.047 R)
• M13: 4,649,352 km (0.069 R)
• M14: 5,527,941 km (0.103 R)
• M15: 6,511,696 km (0.041 R)
• M16: 7,934,073 km (0.091 R)
• M17: 8,077,088 km (0.113 R)
• M18: 8,616,688 km (0.098 R)
• M19: 9,712,941 km (0.117 R)
• M20: 11,496,148 km (0.118 R)
• M21: 11,864,757 km (0.025 R)
• M22: 12,114,884 km (0.103 R)
• M23: 12,496,658 km (0.074 R)
• M24: 12,625,761 km (0.095 R)
• M25: 13,553,866 km (0.063 R)
• M26: 13,896,146 km (0.118 R)
• M27: 14,597,910 km (0.116 R)
• M28: 14,813,032 km (0.114 R)
• M29: 15,176,106 km (0.092 R)
• M30: 16,687,942 km (0.059 R)
• M31: 16,923,110 km (0.109 R)
• M32: 22,863,791 km (0.09 R)
• M33: 23,544,461 km (0.073 R)
• M34: 24,338,676 km (0.064 R)
• M35: 29,482,599 km (0.1 R)
• M36: 31,465,219 km (0.091 R)
• M37: 33,163,155 km (0.116 R)
• M38: 33,909,200 km (0.1 R)
• M39: 35,305,845 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618

Radius: 7

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.97 AU - 8.61 AU

Year: 15008 Days

Day: 20.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,712,442 km

• M1: 90,656 km (0.106 R)
• M2: 317,147 km (0.101 R)
• M3: 648,507 km (0.104 R)
• M4: 2,822,313 km (0.118 R)
• M5: 3,059,426 km (0.1 R)
• M6: 3,546,666 km (0.101 R)
• M7: 4,055,000 km (0.072 R)
• M8: 4,974,728 km (0.071 R)
• M9: 8,034,902 km (0.055 R)
• M10: 9,266,990 km (0.114 R)
• M11: 10,620,102 km (0.053 R)
• M12: 11,373,627 km (0.115 R)
• M13: 12,729,133 km (0.106 R)
• M14: 12,986,741 km (0.068 R)
• M15: 15,610,089 km (0.073 R)
• M16: 18,158,190 km (0.082 R)
• M17: 23,865,797 km (0.11 R)
• M18: 24,257,744 km (0.061 R)
• M19: 25,561,190 km (0.055 R)
• M20: 26,490,641 km (0.092 R)
• M21: 27,228,907 km (0.068 R)
• M22: 30,434,041 km (0.087 R)
• M23: 31,830,837 km (0.068 R)
• M24: 32,425,338 km (0.065 R)
• M25: 36,277,184 km (0.084 R)
• M26: 49,324,961 km (0.071 R)
• M27: 53,223,182 km (0.109 R)
• M28: 54,397,825 km (0.075 R)
• M29: 55,076,700 km (0.109 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: 418 - 18,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit