🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 14.2

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.77 AU - 1.21 AU

Year: 626 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,790,884 km

• M1: 176,825 km (0.088 R)
• M2: 718,070 km (0.094 R)
• M3: 1,171,202 km (0.113 R)
• M4: 1,700,629 km (0.092 R)
• M5: 2,178,295 km (0.098 R)
• M6: 2,818,274 km (0.041 R)
• M7: 3,667,841 km (0.05 R)
• M8: 4,173,781 km (0.094 R)
• M9: 4,638,432 km (0.088 R)
• M10: 5,184,763 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.5

Radius: 10.8

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.03 AU - 1.19 AU

Year: 744 Days

Day: 5.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,790,884 km

• M1: 135,835 km (0.117 R)
• M2: 502,798 km (0.111 R)
• M3: 951,592 km (0.065 R)
• M4: 1,377,796 km (0.053 R)
• M5: 2,208,065 km (0.069 R)
• M6: 2,730,161 km (0.076 R)
• M7: 3,133,178 km (0.11 R)
• M8: 3,842,272 km (0.091 R)
• M9: 4,209,983 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412

Radius: 10.3

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.32 AU - 1.62 AU

Year: 1133 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,790,884 km

• M1: 128,505 km (0.109 R)
• M2: 564,134 km (0.062 R)
• M3: 918,830 km (0.089 R)
• M4: 2,239,181 km (0.096 R)
• M5: 2,706,824 km (0.033 R)
• M6: 3,279,335 km (0.059 R)
• M7: 3,719,452 km (0.087 R)
• M8: 5,300,552 km (0.082 R)
• M9: 6,073,225 km (0.111 R)
• M10: 6,650,972 km (0.115 R)
• M11: 8,475,318 km (0.057 R)
• M12: 9,224,803 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.7

Radius: 10.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.5 AU - 2.12 AU

Year: 1548 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 20,790,884 km

• M1: 128,205 km (0.065 R)
• M2: 480,658 km (0.118 R)
• M3: 861,684 km (0.054 R)
• M4: 1,210,247 km (0.064 R)
• M5: 2,083,001 km (0.098 R)
• M6: 2,702,037 km (0.058 R)
• M7: 3,361,913 km (0.074 R)
• M8: 4,742,253 km (0.11 R)
• M9: 5,062,542 km (0.114 R)
• M10: 5,658,390 km (0.083 R)
• M11: 6,019,519 km (0.091 R)
• M12: 6,541,017 km (0.115 R)
• M13: 6,863,401 km (0.087 R)
• M14: 8,965,251 km (0.12 R)
• M15: 9,870,168 km (0.103 R)
• M16: 10,295,176 km (0.107 R)
• M17: 11,679,704 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.3

Radius: 8.6

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.23 AU - 2.77 AU

Year: 2513 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,790,884 km

• M1: 110,702 km (0.09 R)
• M2: 471,383 km (0.108 R)
• M3: 954,135 km (0.105 R)
• M4: 1,809,237 km (0.095 R)
• M5: 2,287,800 km (0.103 R)
• M6: 2,637,410 km (0.068 R)
• M7: 3,087,550 km (0.079 R)
• M8: 3,552,052 km (0.115 R)
• M9: 3,983,791 km (0.118 R)
• M10: 4,620,629 km (0.091 R)
• M11: 6,096,412 km (0.106 R)
• M12: 6,523,514 km (0.115 R)
• M13: 6,970,363 km (0.096 R)
• M14: 7,378,017 km (0.093 R)
• M15: 7,987,778 km (0.092 R)
• M16: 8,499,553 km (0.083 R)
• M17: 9,766,647 km (0.112 R)
• M18: 11,673,271 km (0.108 R)
• M19: 12,374,437 km (0.052 R)
• M20: 12,799,893 km (0.079 R)
• M21: 15,708,076 km (0.1 R)
• M22: 17,767,440 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 8.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.46 AU - 3.02 AU

Year: 2884 Days

Day: 14.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,790,884 km

• M1: 104,569 km (0.088 R)
• M2: 369,058 km (0.099 R)
• M3: 653,144 km (0.117 R)
• M4: 961,615 km (0.063 R)
• M5: 1,318,705 km (0.094 R)
• M6: 2,689,022 km (0.086 R)
• M7: 3,872,490 km (0.101 R)
• M8: 5,011,529 km (0.116 R)
• M9: 5,306,685 km (0.104 R)
• M10: 8,076,191 km (0.106 R)
• M11: 8,365,363 km (0.11 R)
• M12: 8,691,487 km (0.08 R)
• M13: 9,982,217 km (0.116 R)
• M14: 10,829,390 km (0.113 R)
• M15: 12,705,048 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.7

Radius: 10.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.25 AU - 4.83 AU

Year: 5163 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,790,884 km

• M1: 132,394 km (0.116 R)
• M2: 600,037 km (0.118 R)
• M3: 1,056,161 km (0.109 R)
• M4: 1,629,869 km (0.118 R)
• M5: 2,155,855 km (0.087 R)
• M6: 2,792,394 km (0.085 R)
• M7: 4,594,151 km (0.075 R)
• M8: 5,103,232 km (0.037 R)
• M9: 5,446,559 km (0.114 R)
• M10: 6,627,634 km (0.114 R)
• M11: 7,340,020 km (0.102 R)
• M12: 9,711,146 km (0.096 R)
• M13: 10,163,679 km (0.115 R)
• M14: 11,029,701 km (0.081 R)
• M15: 11,816,736 km (0.117 R)
• M16: 12,819,042 km (0.117 R)
• M17: 16,642,165 km (0.054 R)
• M18: 17,900,432 km (0.119 R)
• M19: 19,162,290 km (0.083 R)
• M20: 19,635,618 km (0.075 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 14,396 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit