🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.64 AU - 0.64 AU

Year: 185 Days

Day: 44.5 Hours

Environment

Temp: 230 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.89 AU - 1.01 AU

Year: 335 Days

Day: 28.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,903,157 km

• M1: 291,716 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.97 AU - 1.25 AU

Year: 423 Days

Day: 23.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.09 AU - 1.19 AU

Year: 440 Days

Day: 24.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 9.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.12 AU - 6.44 AU

Year: 5692 Days

Day: 8.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,903,157 km

• M1: 124,914 km (0.112 R)
• M2: 801,994 km (0.038 R)
• M3: 1,137,692 km (0.043 R)
• M4: 1,727,855 km (0.114 R)
• M5: 2,107,086 km (0.117 R)
• M6: 2,435,154 km (0.052 R)
• M7: 2,814,086 km (0.116 R)
• M8: 3,213,961 km (0.107 R)
• M9: 4,259,949 km (0.105 R)
• M10: 5,624,730 km (0.055 R)
• M11: 6,233,743 km (0.078 R)
• M12: 6,824,954 km (0.082 R)
• M13: 7,748,123 km (0.033 R)
• M14: 8,153,682 km (0.103 R)
• M15: 8,933,985 km (0.108 R)
• M16: 9,802,101 km (0.083 R)
• M17: 14,492,443 km (0.103 R)
• M18: 15,689,525 km (0.114 R)
• M19: 18,220,273 km (0.117 R)
• M20: 20,177,611 km (0.119 R)
• M21: 20,495,656 km (0.073 R)
• M22: 21,734,775 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.5

Radius: 9.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.78 AU - 7.86 AU

Year: 5746 Days

Day: 5.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,903,157 km

• M1: 119,379 km (0.072 R)
• M2: 475,422 km (0.11 R)
• M3: 1,780,514 km (0.06 R)
• M4: 3,135,272 km (0.067 R)
• M5: 3,805,620 km (0.067 R)
• M6: 4,895,740 km (0.078 R)
• M7: 5,402,278 km (0.037 R)
• M8: 5,855,709 km (0.09 R)
• M9: 6,838,867 km (0.12 R)
• M10: 8,144,856 km (0.087 R)
• M11: 9,090,464 km (0.1 R)
• M12: 9,610,167 km (0.105 R)
• M13: 11,842,766 km (0.117 R)
• M14: 12,609,156 km (0.046 R)
• M15: 14,347,184 km (0.091 R)
• M16: 15,273,643 km (0.091 R)
• M17: 15,894,026 km (0.114 R)
• M18: 16,826,320 km (0.113 R)
• M19: 17,185,205 km (0.061 R)
• M20: 21,899,632 km (0.099 R)
• M21: 22,616,056 km (0.1 R)
• M22: 24,095,579 km (0.062 R)
• M23: 24,551,853 km (0.028 R)
• M24: 26,274,024 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 9.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 6.11 AU - 9.33 AU

Year: 7757 Days

Day: 5.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,903,157 km

• M1: 119,678 km (0.103 R)
• M2: 630,256 km (0.057 R)
• M3: 1,041,201 km (0.058 R)
• M4: 1,370,316 km (0.105 R)
• M5: 2,642,198 km (0.067 R)
• M6: 4,052,906 km (0.1 R)
• M7: 6,311,833 km (0.075 R)
• M8: 6,761,824 km (0.085 R)
• M9: 8,171,634 km (0.037 R)
• M10: 10,660,494 km (0.105 R)
• M11: 19,854,629 km (0.12 R)
• M12: 21,618,089 km (0.114 R)
• M13: 22,711,051 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 13.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.01 AU - 10.29 AU

Year: 10010 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,903,157 km

• M1: 170,990 km (0.107 R)
• M2: 678,576 km (0.09 R)
• M3: 1,719,927 km (0.112 R)
• M4: 3,508,519 km (0.114 R)
• M5: 4,236,462 km (0.05 R)
• M6: 9,531,928 km (0.112 R)
• M7: 10,688,169 km (0.05 R)
• M8: 11,382,154 km (0.118 R)
• M9: 12,277,198 km (0.049 R)
• M10: 14,018,517 km (0.112 R)
• M11: 16,194,418 km (0.087 R)
• M12: 22,046,986 km (0.096 R)
• M13: 27,070,632 km (0.12 R)
• M14: 34,967,605 km (0.111 R)
• M15: 37,097,430 km (0.11 R)
• M16: 39,062,098 km (0.097 R)
• M17: 41,744,837 km (0.097 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 10,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit