🌌 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: 379.4

Radius: 13.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 14.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 19,896,679 km

• M1: 170,392 km (0.087 R)
• M2: 601,683 km (0.077 R)
• M3: 1,144,424 km (0.117 R)
• M4: 1,644,081 km (0.113 R)
• M5: 2,125,337 km (0.08 R)
• M6: 2,598,365 km (0.076 R)
• M7: 3,122,856 km (0.117 R)
• M8: 3,827,910 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 13.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.6 AU - 0.84 AU

Year: 422 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,896,679 km

• M1: 167,550 km (0.086 R)
• M2: 622,327 km (0.051 R)
• M3: 1,142,030 km (0.091 R)
• M4: 1,605,784 km (0.028 R)
• M5: 2,285,407 km (0.091 R)
• M6: 2,703,682 km (0.106 R)
• M7: 3,369,542 km (0.035 R)
• M8: 4,579,640 km (0.104 R)
• M9: 5,000,608 km (0.107 R)
• M10: 5,447,606 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 10.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.61 AU - 0.91 AU

Year: 457 Days

Day: 6.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 19,896,679 km

• M1: 135,685 km (0.108 R)
• M2: 666,907 km (0.11 R)
• M3: 1,176,438 km (0.077 R)
• M4: 1,604,886 km (0.119 R)
• M5: 2,099,756 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.9

Radius: 10.3

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.08 AU - 1.14 AU

Year: 807 Days

Day: 14.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,896,679 km

• M1: 128,056 km (0.075 R)
• M2: 590,164 km (0.084 R)
• M3: 936,034 km (0.081 R)
• M4: 1,385,875 km (0.066 R)
• M5: 2,159,744 km (0.111 R)
• M6: 2,707,273 km (0.074 R)
• M7: 3,134,973 km (0.104 R)
• M8: 3,839,130 km (0.074 R)
• M9: 4,578,293 km (0.07 R)
• M10: 4,990,884 km (0.026 R)
• M11: 5,372,209 km (0.102 R)
• M12: 5,970,900 km (0.079 R)
• M13: 6,401,143 km (0.05 R)
• M14: 6,808,349 km (0.117 R)
• M15: 7,347,350 km (0.108 R)
• M16: 8,510,623 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.6

Radius: 9.5

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.13 AU - 1.29 AU

Year: 919 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,896,679 km

• M1: 118,182 km (0.08 R)
• M2: 429,645 km (0.118 R)
• M3: 733,778 km (0.051 R)
• M4: 1,169,706 km (0.11 R)
• M5: 1,485,507 km (0.088 R)
• M6: 2,217,788 km (0.107 R)
• M7: 2,672,117 km (0.07 R)
• M8: 3,145,894 km (0.089 R)
• M9: 3,582,570 km (0.067 R)
• M10: 3,895,977 km (0.055 R)
• M11: 4,330,709 km (0.111 R)
• M12: 4,891,402 km (0.058 R)
• M13: 5,218,871 km (0.119 R)
• M14: 5,727,205 km (0.09 R)
• M15: 6,135,457 km (0.082 R)
• M16: 6,539,970 km (0.054 R)
• M17: 8,780,049 km (0.07 R)
• M18: 9,499,914 km (0.107 R)
• M19: 10,478,134 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.9

Radius: 12.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.65 AU - 2.59 AU

Year: 2131 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,896,679 km

• M1: 156,779 km (0.092 R)
• M2: 560,992 km (0.075 R)
• M3: 1,030,281 km (0.116 R)
• M4: 1,450,052 km (0.1 R)
• M5: 2,124,290 km (0.115 R)
• M6: 2,654,165 km (0.114 R)
• M7: 3,112,085 km (0.101 R)
• M8: 3,607,104 km (0.06 R)
• M9: 4,295,254 km (0.118 R)
• M10: 5,009,733 km (0.073 R)
• M11: 5,607,078 km (0.112 R)
• M12: 6,297,921 km (0.101 R)
• M13: 6,700,339 km (0.097 R)
• M14: 7,349,295 km (0.039 R)
• M15: 9,037,058 km (0.112 R)
• M16: 11,624,951 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.9

Radius: 15

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.25 AU - 5.23 AU

Year: 6026 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,896,679 km

• M1: 187,297 km (0.106 R)
• M2: 1,373,757 km (0.074 R)
• M3: 2,259,077 km (0.074 R)
• M4: 3,006,169 km (0.026 R)
• M5: 3,685,194 km (0.062 R)
• M6: 6,976,198 km (0.054 R)
• M7: 10,127,477 km (0.051 R)
• M8: 11,093,879 km (0.116 R)
• M9: 13,121,080 km (0.07 R)
• M10: 14,034,823 km (0.112 R)
• M11: 17,353,802 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: 179 - 13,201 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit