🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.64 AU - 0.98 AU

Year: 278 Days

Day: 41.6 Hours

Environment

Temp: 83 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,570,067 km

• M1: 381,026 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.84 AU - 1.38 AU

Year: 445 Days

Day: 42.5 Hours

Environment

Temp: -6 °C

Axial Tilt: 41.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.47 AU - 1.49 AU

Year: 686 Days

Day: 38.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.98 AU - 3.56 AU

Year: 2252 Days

Day: 43.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,570,067 km

• M1: 247,136 km (0.081 R)

Asteroid Belt

Center: 4.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 11.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.63 AU - 6.11 AU

Year: 5416 Days

Day: 13.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 105,570,067 km

• M1: 145,260 km (0.056 R)
• M2: 641,326 km (0.107 R)
• M3: 1,138,889 km (0.07 R)
• M4: 1,554,172 km (0.094 R)
• M5: 2,454,751 km (0.119 R)
• M6: 4,624,220 km (0.074 R)
• M7: 7,179,351 km (0.079 R)
• M8: 7,785,522 km (0.097 R)
• M9: 17,100,981 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.4

Radius: 3.8

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.28 AU - 17.14 AU

Year: 21484 Days

Day: 21.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 105,570,067 km

• M1: 47,273 km (0.049 R)
• M2: 320,139 km (0.065 R)
• M3: 442,511 km (0.076 R)
• M4: 708,047 km (0.096 R)
• M5: 891,603 km (0.032 R)
• M6: 1,276,369 km (0.036 R)
• M7: 1,731,446 km (0.096 R)
• M8: 2,230,355 km (0.066 R)
• M9: 3,379,865 km (0.055 R)
• M10: 3,901,064 km (0.077 R)
• M11: 4,564,530 km (0.114 R)
• M12: 5,401,530 km (0.108 R)
• M13: 6,412,064 km (0.077 R)
• M14: 6,566,000 km (0.055 R)
• M15: 7,627,846 km (0.086 R)
• M16: 7,800,781 km (0.097 R)
• M17: 8,426,698 km (0.102 R)
• M18: 9,427,508 km (0.098 R)
• M19: 10,558,169 km (0.044 R)
• M20: 15,987,076 km (0.063 R)
• M21: 18,194,691 km (0.03 R)
• M22: 18,659,342 km (0.086 R)
• M23: 18,894,510 km (0.107 R)
• M24: 21,271,770 km (0.074 R)
• M25: 23,383,942 km (0.113 R)
• M26: 31,097,358 km (0.109 R)
• M27: 36,307,403 km (0.086 R)
• M28: 42,881,482 km (0.099 R)
• M29: 43,017,765 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.9

Radius: 3.7

Gravity: 52.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 17.85 AU - 20.41 AU

Year: 31862 Days

Day: 24.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 105,570,067 km

• M1: 52,210 km (0.107 R)
• M2: 168,148 km (0.119 R)
• M3: 294,259 km (0.108 R)
• M4: 494,720 km (0.116 R)
• M5: 928,704 km (0.077 R)
• M6: 1,051,523 km (0.107 R)
• M7: 2,412,415 km (0.092 R)
• M8: 2,566,800 km (0.115 R)
• M9: 3,312,994 km (0.07 R)
• M10: 4,013,262 km (0.085 R)
• M11: 5,135,246 km (0.112 R)
• M12: 6,500,177 km (0.113 R)
• M13: 10,051,631 km (0.072 R)
• M14: 10,451,805 km (0.12 R)
• M15: 11,789,210 km (0.049 R)
• M16: 14,628,278 km (0.067 R)
• M17: 17,506,990 km (0.047 R)
• M18: 22,386,424 km (0.083 R)
• M19: 24,353,037 km (0.078 R)
• M20: 26,431,999 km (0.072 R)
• M21: 27,579,115 km (0.118 R)
• M22: 35,931,464 km (0.076 R)
• M23: 44,386,137 km (0.114 R)
• M24: 44,742,330 km (0.086 R)
• M25: 44,921,099 km (0.084 R)
• M26: 45,100,317 km (0.085 R)
• M27: 47,474,286 km (0.077 R)
• M28: 50,315,449 km (0.1 R)
• M29: 52,469,658 km (0.115 R)
• M30: 53,067,601 km (0.109 R)
• M31: 54,480,553 km (0.072 R)
• M32: 54,684,454 km (0.094 R)
• M33: 61,701,343 km (0.112 R)
• M34: 68,342,740 km (0.084 R)
• M35: 74,437,208 km (0.078 R)
• M36: 74,939,857 km (0.06 R)
• M37: 75,951,886 km (0.056 R)
• M38: 76,973,041 km (0.119 R)
• M39: 78,003,322 km (0.043 R)
• M40: 80,091,409 km (0.054 R)
• M41: 80,619,041 km (0.06 R)
• M42: 82,216,297 km (0.106 R)
• M43: 91,379,466 km (0.08 R)
• M44: 93,991,594 km (0.118 R)
• M45: 99,364,402 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 17,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit