🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.48 AU - 0.56 AU

Year: 136 Days

Day: 18.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 106,492,927 km

• M1: 183,706 km (0.029 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.06 AU - 1.46 AU

Year: 512 Days

Day: 42.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 8.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 106,492,927 km

• M1: 16,306 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.02 AU - 1.6 AU

Year: 542 Days

Day: 17.3 Hours

Environment

Temp: -15 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.2 AU - 4.56 AU

Year: 2764 Days

Day: 23.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.6 AU - 5.54 AU

Year: 3533 Days

Day: 16.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.3

Radius: 11.2

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.72 AU - 9.9 AU

Year: 8663 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 106,492,927 km

• M1: 139,425 km (0.109 R)
• M2: 543,489 km (0.06 R)
• M3: 915,689 km (0.068 R)
• M4: 1,541,157 km (0.112 R)
• M5: 3,372,534 km (0.111 R)
• M6: 3,986,185 km (0.119 R)
• M7: 7,138,062 km (0.089 R)
• M8: 7,672,426 km (0.078 R)
• M9: 12,788,374 km (0.116 R)
• M10: 13,867,124 km (0.054 R)
• M11: 14,518,922 km (0.074 R)
• M12: 16,011,759 km (0.094 R)
• M13: 16,400,415 km (0.082 R)
• M14: 18,866,535 km (0.077 R)
• M15: 20,263,181 km (0.111 R)
• M16: 21,335,648 km (0.097 R)
• M17: 22,044,742 km (0.12 R)
• M18: 24,607,952 km (0.056 R)
• M19: 29,151,090 km (0.115 R)
• M20: 32,027,109 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 9.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 11.67 AU - 13.31 AU

Year: 15964 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 106,492,927 km

• M1: 140,323 km (0.117 R)
• M2: 715,676 km (0.034 R)
• M3: 1,539,811 km (0.083 R)
• M4: 1,888,374 km (0.114 R)
• M5: 2,601,806 km (0.072 R)
• M6: 3,032,349 km (0.053 R)
• M7: 3,459,750 km (0.11 R)
• M8: 4,768,432 km (0.072 R)
• M9: 6,532,640 km (0.1 R)
• M10: 7,582,368 km (0.098 R)
• M11: 10,271,539 km (0.039 R)
• M12: 13,043,588 km (0.095 R)
• M13: 22,917,347 km (0.116 R)
• M14: 27,176,847 km (0.101 R)
• M15: 32,950,577 km (0.088 R)
• M16: 33,408,196 km (0.052 R)
• M17: 35,400,691 km (0.067 R)
• M18: 39,107,726 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.8

Radius: 4.6

Gravity: 45.93 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 14.17 AU - 21.99 AU

Year: 27803 Days

Day: 21.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 106,492,927 km

• M1: 59,839 km (0.075 R)
• M2: 307,573 km (0.082 R)
• M3: 469,139 km (0.074 R)
• M4: 846,425 km (0.107 R)
• M5: 1,661,135 km (0.102 R)
• M6: 2,573,383 km (0.119 R)
• M7: 3,917,071 km (0.06 R)
• M8: 6,616,863 km (0.113 R)
• M9: 15,370,882 km (0.072 R)
• M10: 21,585,178 km (0.071 R)
• M11: 27,958,645 km (0.072 R)
• M12: 29,830,115 km (0.065 R)
• M13: 31,357,808 km (0.115 R)
• M14: 32,212,610 km (0.056 R)
• M15: 43,187,559 km (0.075 R)
• M16: 49,218,747 km (0.065 R)
• M17: 68,467,205 km (0.066 R)
• M18: 77,390,569 km (0.118 R)
• M19: 79,211,025 km (0.112 R)
• M20: 81,326,339 km (0.05 R)
• M21: 87,617,229 km (0.053 R)
• M22: 88,179,119 km (0.087 R)
• M23: 88,743,402 km (0.108 R)
• M24: 91,890,043 km (0.104 R)
• M25: 97,800,356 km (0.081 R)
• M26: 100,540,690 km (0.11 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 145 - 18,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit