🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.55 AU - 0.57 AU

Year: 153 Days

Day: 32 Hours

Environment

Temp: 243 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.5 AU - 0.66 AU

Year: 161 Days

Day: 23.6 Hours

Environment

Temp: 149 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.89 AU - 1.13 AU

Year: 371 Days

Day: 17.5 Hours

Environment

Temp: 35 °C

Axial Tilt: 155.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.81 AU - 2.79 AU

Year: 1274 Days

Day: 15.3 Hours

Environment

Temp: -81 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.13 AU - 2.59 AU

Year: 1324 Days

Day: 30.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,551,515 km

• M1: 26,329 km (0.102 R)

Asteroid Belt

Center: 5.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.3

Radius: 9.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.35 AU - 8.77 AU

Year: 9147 Days

Day: 5.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,551,515 km

• M1: 118,182 km (0.11 R)
• M2: 1,001,707 km (0.087 R)
• M3: 1,509,742 km (0.052 R)
• M4: 2,157,351 km (0.086 R)
• M5: 2,749,310 km (0.074 R)
• M6: 7,215,554 km (0.053 R)
• M7: 13,105,372 km (0.09 R)
• M8: 15,202,734 km (0.029 R)
• M9: 15,932,472 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.7

Radius: 6.3

Gravity: 23.98 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 12.17 AU - 19.07 AU

Year: 22548 Days

Day: 22.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 77,551,515 km

• M1: 82,279 km (0.113 R)
• M2: 330,462 km (0.112 R)
• M3: 759,658 km (0.098 R)
• M4: 1,111,213 km (0.088 R)
• M5: 2,584,303 km (0.036 R)
• M6: 5,571,324 km (0.115 R)
• M7: 7,486,775 km (0.105 R)
• M8: 8,013,210 km (0.061 R)
• M9: 8,564,029 km (0.101 R)
• M10: 9,988,799 km (0.111 R)
• M11: 11,156,261 km (0.1 R)
• M12: 15,534,093 km (0.077 R)
• M13: 17,275,712 km (0.064 R)
• M14: 18,100,295 km (0.083 R)
• M15: 18,759,573 km (0.114 R)
• M16: 28,844,564 km (0.07 R)
• M17: 30,660,981 km (0.119 R)
• M18: 33,808,072 km (0.065 R)
• M19: 36,268,209 km (0.116 R)
• M20: 39,000,314 km (0.07 R)
• M21: 39,625,484 km (0.083 R)
• M22: 43,018,065 km (0.081 R)
• M23: 47,303,296 km (0.032 R)
• M24: 48,014,334 km (0.118 R)
• M25: 51,115,947 km (0.11 R)
• M26: 52,430,912 km (0.072 R)
• M27: 63,557,553 km (0.084 R)
• M28: 76,890,014 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.4

Radius: 4.6

Gravity: 17.5 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 17.7 AU - 18.38 AU

Year: 27986 Days

Day: 23.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,551,515 km

• M1: 58,792 km (0.063 R)
• M2: 219,759 km (0.113 R)
• M3: 555,906 km (0.102 R)
• M4: 916,586 km (0.05 R)
• M5: 1,947,166 km (0.04 R)
• M6: 2,410,770 km (0.086 R)
• M7: 2,791,795 km (0.117 R)
• M8: 3,049,553 km (0.119 R)
• M9: 3,295,043 km (0.087 R)
• M10: 3,825,517 km (0.081 R)
• M11: 4,979,664 km (0.065 R)
• M12: 6,006,055 km (0.071 R)
• M13: 8,102,969 km (0.077 R)
• M14: 8,310,012 km (0.075 R)
• M15: 8,574,052 km (0.076 R)
• M16: 12,057,588 km (0.062 R)
• M17: 12,327,762 km (0.096 R)
• M18: 13,960,174 km (0.1 R)
• M19: 16,053,946 km (0.076 R)
• M20: 20,371,939 km (0.115 R)
• M21: 20,658,868 km (0.096 R)
• M22: 29,833,705 km (0.115 R)
• M23: 31,459,834 km (0.107 R)
• M24: 31,843,253 km (0.101 R)
• M25: 33,674,032 km (0.073 R)
• M26: 53,409,282 km (0.092 R)
• M27: 58,647,452 km (0.096 R)
• M28: 58,840,582 km (0.103 R)
• M29: 64,217,579 km (0.1 R)
• M30: 69,912,770 km (0.093 R)
• M31: 71,222,499 km (0.046 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 11,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit