🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.6 AU - 0.84 AU

Year: 216 Days

Day: 22.1 Hours

Environment

Temp: 157 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.58 AU - 0.92 AU

Year: 229 Days

Day: 33.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.03 AU - 1.05 AU

Year: 374 Days

Day: 37.5 Hours

Environment

Temp: 76 °C

Axial Tilt: 28 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 66,004,738 km

• M1: 242,199 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.09 AU - 1.47 AU

Year: 511 Days

Day: 28.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.03 AU - 1.69 AU

Year: 560 Days

Day: 28.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.27 AU - 6.53 AU

Year: 4431 Days

Day: 24.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 9.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.34 AU - 8.76 AU

Year: 7325 Days

Day: 13.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,004,738 km

• M1: 121,324 km (0.105 R)
• M2: 479,910 km (0.03 R)
• M3: 1,041,351 km (0.076 R)
• M4: 1,692,102 km (0.119 R)
• M5: 2,015,532 km (0.098 R)
• M6: 2,550,195 km (0.107 R)
• M7: 2,883,200 km (0.058 R)
• M8: 4,142,066 km (0.09 R)
• M9: 5,078,549 km (0.104 R)
• M10: 5,992,143 km (0.058 R)
• M11: 6,557,323 km (0.059 R)
• M12: 7,516,994 km (0.103 R)
• M13: 9,076,402 km (0.103 R)
• M14: 9,713,240 km (0.113 R)
• M15: 10,801,864 km (0.107 R)
• M16: 11,395,767 km (0.096 R)
• M17: 11,803,870 km (0.118 R)
• M18: 13,761,807 km (0.084 R)
• M19: 14,131,314 km (0.11 R)
• M20: 15,427,430 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.5

Radius: 4

Gravity: 50.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 11.44 AU - 17.2 AU

Year: 19134 Days

Day: 20.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,004,738 km

• M1: 50,115 km (0.094 R)
• M2: 209,736 km (0.119 R)
• M3: 468,391 km (0.093 R)
• M4: 674,686 km (0.098 R)
• M5: 927,806 km (0.068 R)
• M6: 1,089,671 km (0.108 R)
• M7: 1,406,968 km (0.039 R)
• M8: 2,585,650 km (0.063 R)
• M9: 3,174,766 km (0.113 R)
• M10: 3,911,236 km (0.049 R)
• M11: 4,755,417 km (0.094 R)
• M12: 5,162,772 km (0.115 R)
• M13: 6,435,850 km (0.032 R)
• M14: 8,689,243 km (0.089 R)
• M15: 10,351,724 km (0.053 R)
• M16: 11,548,956 km (0.1 R)
• M17: 15,213,355 km (0.088 R)
• M18: 15,371,032 km (0.115 R)
• M19: 16,671,935 km (0.071 R)
• M20: 17,263,445 km (0.109 R)
• M21: 22,002,556 km (0.11 R)
• M22: 24,075,384 km (0.105 R)
• M23: 27,306,997 km (0.105 R)
• M24: 30,690,452 km (0.083 R)
• M25: 31,322,653 km (0.102 R)
• M26: 31,834,576 km (0.091 R)
• M27: 32,222,185 km (0.085 R)
• M28: 32,352,036 km (0.091 R)
• M29: 35,714,248 km (0.036 R)
• M30: 35,992,948 km (0.113 R)
• M31: 39,154,251 km (0.115 R)
• M32: 42,651,849 km (0.069 R)
• M33: 52,384,387 km (0.082 R)
• M34: 52,924,436 km (0.036 R)
• M35: 55,494,377 km (0.078 R)
• M36: 73,126,880 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.5

Radius: 7.4

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 14.74 AU - 16.12 AU

Year: 21402 Days

Day: 18.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,004,738 km

• M1: 92,751 km (0.104 R)
• M2: 516,113 km (0.109 R)
• M3: 980,614 km (0.082 R)
• M4: 1,508,096 km (0.063 R)
• M5: 3,430,728 km (0.073 R)
• M6: 4,185,150 km (0.099 R)
• M7: 10,879,804 km (0.088 R)
• M8: 12,427,544 km (0.111 R)
• M9: 12,819,790 km (0.093 R)
• M10: 13,491,933 km (0.103 R)
• M11: 13,976,181 km (0.074 R)
• M12: 14,400,441 km (0.106 R)
• M13: 16,261,289 km (0.058 R)
• M14: 17,048,622 km (0.11 R)
• M15: 21,651,001 km (0.079 R)
• M16: 24,184,889 km (0.112 R)
• M17: 32,961,198 km (0.026 R)
• M18: 39,578,809 km (0.075 R)
• M19: 55,716,381 km (0.093 R)
• M20: 57,320,818 km (0.103 R)
• M21: 63,274,963 km (0.118 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 20,492 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit