🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.6

Radius: 13.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.56 AU - 0.64 AU

Year: 315 Days

Day: 6.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,787,038 km

• M1: 166,652 km (0.117 R)
• M2: 593,455 km (0.107 R)
• M3: 1,133,952 km (0.109 R)
• M4: 1,946,867 km (0.098 R)
• M5: 2,522,968 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.8

Radius: 8.1

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.9 AU - 1.32 AU

Year: 793 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,787,038 km

• M1: 105,766 km (0.088 R)
• M2: 376,687 km (0.07 R)
• M3: 660,175 km (0.119 R)
• M4: 975,079 km (0.09 R)
• M5: 1,635,703 km (0.118 R)
• M6: 1,993,392 km (0.112 R)
• M7: 2,855,075 km (0.092 R)
• M8: 3,114,628 km (0.066 R)
• M9: 3,826,564 km (0.1 R)
• M10: 4,642,620 km (0.088 R)
• M11: 4,898,283 km (0.114 R)
• M12: 6,765,564 km (0.074 R)
• M13: 7,252,505 km (0.119 R)
• M14: 7,905,799 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154

Radius: 13.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.6 AU - 1.98 AU

Year: 1624 Days

Day: 12.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,787,038 km

• M1: 164,857 km (0.101 R)
• M2: 656,435 km (0.111 R)
• M3: 1,401,882 km (0.073 R)
• M4: 2,011,044 km (0.088 R)
• M5: 2,436,949 km (0.029 R)
• M6: 2,923,442 km (0.111 R)
• M7: 3,640,913 km (0.063 R)
• M8: 4,234,368 km (0.059 R)
• M9: 5,101,736 km (0.115 R)
• M10: 5,847,033 km (0.08 R)
• M11: 6,494,492 km (0.098 R)
• M12: 7,099,765 km (0.083 R)
• M13: 7,671,828 km (0.118 R)
• M14: 8,625,813 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 8.3

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.61 AU - 2.61 AU

Year: 2079 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,787,038 km

• M1: 105,018 km (0.115 R)
• M2: 419,921 km (0.095 R)
• M3: 804,537 km (0.079 R)
• M4: 1,733,540 km (0.109 R)
• M5: 2,109,180 km (0.051 R)
• M6: 2,902,049 km (0.109 R)
• M7: 3,266,619 km (0.052 R)
• M8: 3,936,219 km (0.096 R)
• M9: 5,335,408 km (0.026 R)
• M10: 5,689,357 km (0.05 R)
• M11: 6,236,885 km (0.1 R)
• M12: 7,039,328 km (0.112 R)
• M13: 7,641,010 km (0.032 R)
• M14: 8,060,782 km (0.069 R)
• M15: 8,401,267 km (0.107 R)
• M16: 9,480,915 km (0.11 R)
• M17: 9,930,755 km (0.074 R)
• M18: 10,358,456 km (0.079 R)
• M19: 12,684,104 km (0.096 R)
• M20: 13,531,127 km (0.055 R)
• M21: 15,812,794 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.5

Radius: 8.5

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.83 AU - 2.87 AU

Year: 2443 Days

Day: 7.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,787,038 km

• M1: 107,561 km (0.069 R)
• M2: 527,482 km (0.092 R)
• M3: 1,160,730 km (0.067 R)
• M4: 1,534,425 km (0.106 R)
• M5: 2,259,676 km (0.104 R)
• M6: 4,202,503 km (0.113 R)
• M7: 4,789,974 km (0.106 R)
• M8: 5,581,197 km (0.053 R)
• M9: 6,048,092 km (0.092 R)
• M10: 6,512,743 km (0.077 R)
• M11: 9,095,850 km (0.11 R)
• M12: 10,928,723 km (0.057 R)
• M13: 15,813,243 km (0.105 R)
• M14: 18,842,151 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.6

Radius: 3.3

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.83 AU - 7.13 AU

Year: 11188 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 55.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,787,038 km

• M1: 41,139 km (0.115 R)
• M2: 181,013 km (0.08 R)
• M3: 343,477 km (0.072 R)
• M4: 507,885 km (0.087 R)
• M5: 686,953 km (0.114 R)
• M6: 831,465 km (0.059 R)
• M7: 2,800,921 km (0.096 R)
• M8: 3,070,945 km (0.117 R)
• M9: 4,530,572 km (0.095 R)
• M10: 4,740,607 km (0.059 R)
• M11: 5,858,552 km (0.076 R)
• M12: 7,425,440 km (0.066 R)
• M13: 7,979,102 km (0.051 R)
• M14: 8,679,070 km (0.104 R)
• M15: 9,935,243 km (0.105 R)
• M16: 10,244,761 km (0.069 R)
• M17: 16,725,341 km (0.068 R)
• M18: 20,445,391 km (0.043 R)
• M19: 23,183,930 km (0.116 R)
• M20: 24,600,472 km (0.101 R)
• M21: 24,841,923 km (0.119 R)
• M22: 25,085,169 km (0.114 R)
• M23: 25,741,306 km (0.103 R)
• M24: 26,493,035 km (0.079 R)
• M25: 27,778,230 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 13,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit