🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.81 AU - 1.07 AU

Year: 395 Days

Day: 24 Hours

Environment

Temp: -48 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.15 AU - 1.27 AU

Year: 577 Days

Day: 33.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 14

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.38 AU - 5.24 AU

Year: 4573 Days

Day: 7.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,211,399 km

• M1: 175,628 km (0.086 R)
• M2: 881,281 km (0.068 R)
• M3: 1,629,869 km (0.058 R)
• M4: 2,654,764 km (0.083 R)
• M5: 3,093,834 km (0.112 R)
• M6: 3,603,065 km (0.099 R)
• M7: 4,192,331 km (0.073 R)
• M8: 5,280,655 km (0.064 R)
• M9: 6,261,718 km (0.073 R)
• M10: 7,431,573 km (0.117 R)
• M11: 9,769,788 km (0.095 R)
• M12: 10,246,557 km (0.081 R)
• M13: 10,738,883 km (0.105 R)
• M14: 12,113,239 km (0.118 R)
• M15: 12,715,071 km (0.111 R)
• M16: 14,473,744 km (0.109 R)
• M17: 15,851,241 km (0.097 R)
• M18: 23,531,296 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.6

Radius: 12

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.29 AU - 11.89 AU

Year: 12873 Days

Day: 11.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,211,399 km

• M1: 149,299 km (0.071 R)
• M2: 889,808 km (0.111 R)
• M3: 1,436,738 km (0.093 R)
• M4: 2,238,433 km (0.098 R)
• M5: 2,720,288 km (0.088 R)
• M6: 4,111,398 km (0.109 R)
• M7: 4,901,724 km (0.094 R)
• M8: 6,592,030 km (0.12 R)
• M9: 6,980,087 km (0.106 R)
• M10: 10,038,915 km (0.106 R)
• M11: 11,195,007 km (0.069 R)
• M12: 11,692,869 km (0.106 R)
• M13: 12,733,023 km (0.114 R)
• M14: 14,086,734 km (0.081 R)
• M15: 14,472,098 km (0.115 R)
• M16: 15,263,920 km (0.071 R)
• M17: 16,014,901 km (0.053 R)
• M18: 18,264,554 km (0.104 R)
• M19: 20,470,823 km (0.1 R)
• M20: 26,074,460 km (0.1 R)
• M21: 26,461,320 km (0.093 R)
• M22: 31,299,914 km (0.086 R)
• M23: 32,289,354 km (0.082 R)
• M24: 33,299,439 km (0.114 R)
• M25: 33,755,114 km (0.114 R)
• M26: 34,562,643 km (0.046 R)
• M27: 35,619,552 km (0.118 R)
• M28: 39,935,750 km (0.117 R)
• M29: 47,835,565 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 12.2

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.9 AU - 10.42 AU

Year: 13014 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,211,399 km

• M1: 151,842 km (0.102 R)
• M2: 539,151 km (0.108 R)
• M3: 1,027,887 km (0.081 R)
• M4: 1,409,810 km (0.089 R)
• M5: 1,904,530 km (0.058 R)
• M6: 2,350,482 km (0.082 R)
• M7: 3,012,153 km (0.08 R)
• M8: 3,434,019 km (0.057 R)
• M9: 4,854,451 km (0.077 R)
• M10: 9,313,814 km (0.091 R)
• M11: 9,973,540 km (0.08 R)
• M12: 13,335,753 km (0.107 R)
• M13: 18,609,676 km (0.112 R)
• M14: 19,963,537 km (0.086 R)
• M15: 20,428,936 km (0.116 R)
• M16: 21,869,264 km (0.057 R)
• M17: 25,582,283 km (0.033 R)
• M18: 26,595,809 km (0.033 R)
• M19: 28,117,369 km (0.106 R)
• M20: 29,796,754 km (0.032 R)
• M21: 32,600,218 km (0.103 R)
• M22: 33,791,167 km (0.096 R)
• M23: 34,231,434 km (0.078 R)
• M24: 38,846,528 km (0.068 R)
• M25: 40,555,235 km (0.036 R)
• M26: 42,953,588 km (0.094 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: 410 - 19,271 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit