🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.54 AU - 0.88 AU

Year: 224 Days

Day: 42.1 Hours

Environment

Temp: 112 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.87 AU - 1.19 AU

Year: 392 Days

Day: 38 Hours

Environment

Temp: 3 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,880,694 km

• M1: 54,454 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.15 AU - 1.27 AU

Year: 499 Days

Day: 25.5 Hours

Environment

Temp: -0 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,880,694 km

• M1: 796,908 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.53 AU - 3.63 AU

Year: 2026 Days

Day: 43.7 Hours

Environment

Temp: -108 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.61 AU - 3.75 AU

Year: 2125 Days

Day: 39.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,880,694 km

• M1: 45,029 km (0.092 R)

Asteroid Belt

Center: 5.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 13.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.72 AU - 7.58 AU

Year: 7165 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,880,694 km

• M1: 167,998 km (0.101 R)
• M2: 585,227 km (0.065 R)
• M3: 1,140,235 km (0.1 R)
• M4: 1,725,163 km (0.071 R)
• M5: 3,373,432 km (0.081 R)
• M6: 5,094,705 km (0.083 R)
• M7: 7,462,241 km (0.111 R)
• M8: 9,319,050 km (0.113 R)
• M9: 18,666,074 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 9.7

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.38 AU - 10.56 AU

Year: 11797 Days

Day: 5.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,880,694 km

• M1: 120,576 km (0.09 R)
• M2: 807,081 km (0.117 R)
• M3: 1,716,187 km (0.119 R)
• M4: 2,290,044 km (0.056 R)
• M5: 2,611,829 km (0.074 R)
• M6: 2,918,355 km (0.067 R)
• M7: 3,373,133 km (0.116 R)
• M8: 4,365,116 km (0.107 R)
• M9: 5,194,786 km (0.037 R)
• M10: 6,956,600 km (0.117 R)
• M11: 7,726,580 km (0.032 R)
• M12: 8,363,867 km (0.047 R)
• M13: 8,986,643 km (0.095 R)
• M14: 11,673,571 km (0.066 R)
• M15: 12,512,815 km (0.046 R)
• M16: 14,513,537 km (0.059 R)
• M17: 17,018,703 km (0.068 R)
• M18: 18,652,910 km (0.116 R)
• M19: 19,632,327 km (0.058 R)
• M20: 23,145,483 km (0.1 R)
• M21: 30,598,748 km (0.08 R)
• M22: 32,655,420 km (0.053 R)
• M23: 39,641,192 km (0.081 R)
• M24: 41,121,463 km (0.045 R)
• M25: 42,777,810 km (0.077 R)
• M26: 44,191,660 km (0.062 R)
• M27: 48,316,223 km (0.08 R)
• M28: 53,660,906 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.1

Radius: 5.6

Gravity: 25.16 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 11.08 AU - 15.18 AU

Year: 17829 Days

Day: 15.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,880,694 km

• M1: 69,862 km (0.036 R)
• M2: 413,489 km (0.055 R)
• M3: 743,501 km (0.101 R)
• M4: 921,672 km (0.106 R)
• M5: 1,293,573 km (0.12 R)
• M6: 1,621,491 km (0.087 R)
• M7: 2,205,372 km (0.036 R)
• M8: 2,626,939 km (0.089 R)
• M9: 3,180,301 km (0.037 R)
• M10: 3,778,094 km (0.099 R)
• M11: 4,151,790 km (0.067 R)
• M12: 4,618,535 km (0.119 R)
• M13: 4,829,019 km (0.046 R)
• M14: 5,499,218 km (0.059 R)
• M15: 5,938,138 km (0.081 R)
• M16: 7,160,801 km (0.093 R)
• M17: 10,508,054 km (0.118 R)
• M18: 11,246,020 km (0.107 R)
• M19: 12,283,032 km (0.113 R)
• M20: 14,545,700 km (0.04 R)
• M21: 15,228,914 km (0.062 R)
• M22: 16,012,806 km (0.108 R)
• M23: 19,418,701 km (0.111 R)
• M24: 25,278,450 km (0.092 R)
• M25: 29,497,259 km (0.074 R)
• M26: 30,590,072 km (0.064 R)
• M27: 34,294,713 km (0.109 R)
• M28: 38,573,961 km (0.106 R)
• M29: 43,974,144 km (0.047 R)
• M30: 45,719,652 km (0.071 R)
• M31: 56,059,109 km (0.066 R)
• M32: 57,545,364 km (0.106 R)
• M33: 58,109,498 km (0.103 R)
• M34: 58,487,681 km (0.051 R)
• M35: 59,248,835 km (0.098 R)
• M36: 62,954,524 km (0.114 R)
• M37: 66,605,011 km (0.107 R)
• M38: 73,880,704 km (0.071 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 13,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit