🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.5 AU - 0.8 AU

Year: 194 Days

Day: 29.6 Hours

Environment

Temp: 181 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.84 AU - 0.96 AU

Year: 317 Days

Day: 17 Hours

Environment

Temp: 33 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.99 AU - 2.01 AU

Year: 1049 Days

Day: 22.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.3 AU - 2.42 AU

Year: 1345 Days

Day: 19.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 1.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,814,163 km

• M1: 44,879 km (0.109 R)
• M2: 1,458,130 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.72 AU - 3.3 AU

Year: 1937 Days

Day: 45.3 Hours

Environment

Temp: -99 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.3

Radius: 12.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.6 AU - 9.64 AU

Year: 9386 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,814,163 km

• M1: 150,495 km (0.066 R)
• M2: 1,700,928 km (0.091 R)
• M3: 2,580,414 km (0.071 R)
• M4: 3,476,505 km (0.103 R)
• M5: 3,856,484 km (0.071 R)
• M6: 4,339,236 km (0.051 R)
• M7: 5,253,279 km (0.059 R)
• M8: 10,049,686 km (0.069 R)
• M9: 10,733,797 km (0.036 R)
• M10: 11,892,582 km (0.098 R)
• M11: 14,802,709 km (0.109 R)
• M12: 18,157,890 km (0.117 R)
• M13: 18,967,065 km (0.044 R)
• M14: 22,369,669 km (0.11 R)
• M15: 24,498,297 km (0.101 R)
• M16: 27,629,829 km (0.075 R)
• M17: 28,340,569 km (0.112 R)
• M18: 29,154,531 km (0.083 R)
• M19: 29,984,051 km (0.062 R)
• M20: 31,305,598 km (0.091 R)
• M21: 32,764,178 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129

Radius: 7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 12.42 AU - 15.06 AU

Year: 18888 Days

Day: 20.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 110.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,814,163 km

• M1: 87,066 km (0.081 R)
• M2: 369,956 km (0.074 R)
• M3: 623,823 km (0.077 R)
• M4: 920,924 km (0.101 R)
• M5: 1,195,736 km (0.061 R)
• M6: 1,459,776 km (0.088 R)
• M7: 2,041,712 km (0.084 R)
• M8: 2,649,378 km (0.087 R)
• M9: 3,535,446 km (0.114 R)
• M10: 3,955,816 km (0.078 R)
• M11: 4,464,449 km (0.1 R)
• M12: 4,955,729 km (0.074 R)
• M13: 6,183,927 km (0.091 R)
• M14: 7,603,162 km (0.077 R)
• M15: 9,737,176 km (0.102 R)
• M16: 16,721,751 km (0.055 R)
• M17: 18,260,664 km (0.12 R)
• M18: 19,138,804 km (0.092 R)
• M19: 19,512,798 km (0.061 R)
• M20: 22,351,418 km (0.117 R)
• M21: 22,599,750 km (0.104 R)
• M22: 22,849,878 km (0.025 R)
• M23: 23,101,801 km (0.093 R)
• M24: 26,272,079 km (0.119 R)
• M25: 30,222,510 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.2

Radius: 5.3

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 17.48 AU - 19.94 AU

Year: 30013 Days

Day: 23.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,814,163 km

• M1: 79,736 km (0.119 R)
• M2: 251,773 km (0.105 R)
• M3: 471,682 km (0.034 R)
• M4: 740,061 km (0.096 R)
• M5: 1,007,691 km (0.063 R)
• M6: 1,211,593 km (0.065 R)
• M7: 1,585,887 km (0.105 R)
• M8: 2,405,983 km (0.118 R)
• M9: 4,262,642 km (0.037 R)
• M10: 4,696,476 km (0.076 R)
• M11: 5,420,679 km (0.106 R)
• M12: 5,612,763 km (0.083 R)
• M13: 5,889,369 km (0.095 R)
• M14: 6,818,372 km (0.079 R)
• M15: 8,137,227 km (0.087 R)
• M16: 9,286,138 km (0.079 R)
• M17: 9,617,348 km (0.084 R)
• M18: 10,303,404 km (0.089 R)
• M19: 12,291,859 km (0.093 R)
• M20: 12,557,096 km (0.074 R)
• M21: 12,758,604 km (0.088 R)
• M22: 13,375,994 km (0.077 R)
• M23: 13,727,400 km (0.047 R)
• M24: 14,229,899 km (0.103 R)
• M25: 17,504,746 km (0.086 R)
• M26: 17,756,370 km (0.057 R)
• M27: 18,010,237 km (0.027 R)
• M28: 18,612,069 km (0.11 R)
• M29: 19,227,366 km (0.117 R)
• M30: 22,508,346 km (0.044 R)
• M31: 34,289,478 km (0.119 R)
• M32: 36,289,003 km (0.119 R)
• M33: 41,106,503 km (0.11 R)
• M34: 56,789,446 km (0.065 R)
• M35: 59,204,105 km (0.039 R)
• M36: 62,855,191 km (0.105 R)
• M37: 64,436,440 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 15,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit