🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.48 AU - 0.56 AU

Year: 136 Days

Day: 21.3 Hours

Environment

Temp: 231 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.79 AU - 1.29 AU

Year: 384 Days

Day: 35.2 Hours

Environment

Temp: 35 °C

Axial Tilt: 38.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.16 AU - 1.48 AU

Year: 548 Days

Day: 15 Hours

Environment

Temp: 12 °C

Axial Tilt: 24.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 48,237,383 km

• M1: 33,510 km (0.088 R)
• M2: 811,120 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.7 AU - 1.72 AU

Year: 809 Days

Day: 23.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,237,383 km

• M1: 25,132 km (0.117 R)
• M2: 421,118 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.22 AU - 3.24 AU

Year: 2099 Days

Day: 30.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.6

Radius: 12.3

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.24 AU - 6.46 AU

Year: 4475 Days

Day: 14.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,237,383 km

• M1: 153,039 km (0.115 R)
• M2: 596,896 km (0.1 R)
• M3: 1,187,508 km (0.076 R)
• M4: 1,766,601 km (0.079 R)
• M5: 2,248,905 km (0.077 R)
• M6: 3,178,057 km (0.105 R)
• M7: 4,100,627 km (0.094 R)
• M8: 4,788,777 km (0.091 R)
• M9: 6,942,239 km (0.101 R)
• M10: 8,429,242 km (0.106 R)
• M11: 10,084,392 km (0.114 R)
• M12: 12,816,947 km (0.069 R)
• M13: 13,644,373 km (0.077 R)
• M14: 14,331,775 km (0.036 R)
• M15: 15,314,334 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 8.9

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.38 AU - 7.5 AU

Year: 6612 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,237,383 km

• M1: 110,852 km (0.084 R)
• M2: 525,388 km (0.116 R)
• M3: 918,681 km (0.096 R)
• M4: 1,528,292 km (0.074 R)
• M5: 2,211,206 km (0.109 R)
• M6: 2,587,894 km (0.12 R)
• M7: 3,203,040 km (0.083 R)
• M8: 4,052,158 km (0.066 R)
• M9: 5,126,569 km (0.105 R)
• M10: 5,790,036 km (0.067 R)
• M11: 6,252,742 km (0.092 R)
• M12: 7,182,643 km (0.116 R)
• M13: 8,946,401 km (0.11 R)
• M14: 10,435,050 km (0.072 R)
• M15: 17,352,156 km (0.066 R)
• M16: 19,721,188 km (0.086 R)
• M17: 21,780,104 km (0.116 R)
• M18: 24,769,368 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115

Radius: 11.6

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.49 AU - 9.03 AU

Year: 9377 Days

Day: 7.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 163.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,237,383 km

• M1: 144,212 km (0.069 R)
• M2: 645,515 km (0.034 R)
• M3: 1,033,123 km (0.103 R)
• M4: 1,493,884 km (0.075 R)
• M5: 2,050,688 km (0.059 R)
• M6: 2,485,718 km (0.068 R)
• M7: 3,624,906 km (0.098 R)
• M8: 4,450,237 km (0.118 R)
• M9: 4,907,708 km (0.119 R)
• M10: 5,917,793 km (0.12 R)
• M11: 9,467,301 km (0.098 R)
• M12: 10,063,898 km (0.056 R)
• M13: 10,685,477 km (0.115 R)
• M14: 12,752,321 km (0.107 R)
• M15: 14,390,567 km (0.035 R)
• M16: 16,616,284 km (0.091 R)
• M17: 18,937,744 km (0.105 R)
• M18: 25,256,309 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.8

Radius: 13.6

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.28 AU - 10.56 AU

Year: 12164 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,237,383 km

• M1: 169,195 km (0.088 R)
• M2: 1,004,251 km (0.099 R)
• M3: 1,601,146 km (0.061 R)
• M4: 2,584,303 km (0.097 R)
• M5: 3,315,238 km (0.086 R)
• M6: 5,033,370 km (0.08 R)
• M7: 5,518,366 km (0.116 R)
• M8: 6,286,402 km (0.116 R)
• M9: 7,325,359 km (0.055 R)
• M10: 8,254,063 km (0.116 R)
• M11: 8,792,914 km (0.066 R)
• M12: 10,142,137 km (0.064 R)
• M13: 11,569,750 km (0.074 R)
• M14: 15,417,108 km (0.059 R)
• M15: 15,891,483 km (0.12 R)
• M16: 18,411,160 km (0.107 R)
• M17: 20,045,067 km (0.102 R)
• M18: 21,689,148 km (0.105 R)
• M19: 25,904,218 km (0.095 R)
• M20: 26,478,973 km (0.066 R)
• M21: 30,002,751 km (0.084 R)
• M22: 34,514,772 km (0.054 R)
• M23: 36,631,283 km (0.089 R)
• M24: 38,957,978 km (0.104 R)
• M25: 44,448,071 km (0.109 R)
• M26: 46,951,142 km (0.054 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,888 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit