🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.57 AU - 0.61 AU

Year: 158 Days

Day: 40.6 Hours

Environment

Temp: 266 °C

Axial Tilt: 47.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.26 AU - 1.46 AU

Year: 552 Days

Day: 18.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 10.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.5 AU - 2.1 AU

Year: 841 Days

Day: 12.3 Hours

Environment

Temp: -34 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,161,572 km

• M1: 429,645 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.87 AU - 2.55 AU

Year: 1144 Days

Day: 20.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.89 AU - 3.15 AU

Year: 1828 Days

Day: 13.8 Hours

Environment

Temp: -84 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.42 AU - 3.54 AU

Year: 2261 Days

Day: 16.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 133.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.3

Radius: 14.1

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.67 AU - 6.15 AU

Year: 5004 Days

Day: 10 Hours

Environment

Temp: -147 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,161,572 km

• M1: 175,478 km (0.049 R)
• M2: 639,381 km (0.082 R)
• M3: 1,817,764 km (0.072 R)
• M4: 2,519,976 km (0.075 R)
• M5: 3,103,857 km (0.12 R)
• M6: 5,062,542 km (0.105 R)
• M7: 5,646,123 km (0.107 R)
• M8: 6,751,651 km (0.118 R)
• M9: 9,067,277 km (0.118 R)
• M10: 11,445,583 km (0.084 R)
• M11: 13,470,690 km (0.106 R)
• M12: 14,052,476 km (0.119 R)
• M13: 16,310,955 km (0.085 R)
• M14: 18,220,721 km (0.11 R)
• M15: 18,932,957 km (0.085 R)
• M16: 19,798,530 km (0.102 R)
• M17: 20,899,870 km (0.116 R)
• M18: 22,480,521 km (0.079 R)
• M19: 23,375,714 km (0.115 R)
• M20: 24,216,903 km (0.032 R)
• M21: 24,762,636 km (0.102 R)
• M22: 26,285,692 km (0.118 R)
• M23: 28,383,503 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.1

Radius: 13.8

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.03 AU - 8.87 AU

Year: 7806 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,161,572 km

• M1: 176,675 km (0.067 R)
• M2: 656,435 km (0.085 R)
• M3: 1,193,791 km (0.12 R)
• M4: 1,768,546 km (0.118 R)
• M5: 2,314,578 km (0.093 R)
• M6: 3,513,904 km (0.118 R)
• M7: 3,980,201 km (0.076 R)
• M8: 5,575,961 km (0.089 R)
• M9: 7,002,826 km (0.065 R)
• M10: 7,565,015 km (0.096 R)
• M11: 8,157,273 km (0.09 R)
• M12: 9,021,948 km (0.115 R)
• M13: 9,946,912 km (0.1 R)
• M14: 11,838,577 km (0.11 R)
• M15: 13,742,360 km (0.053 R)
• M16: 16,202,497 km (0.072 R)
• M17: 17,063,283 km (0.12 R)
• M18: 20,107,749 km (0.112 R)
• M19: 20,671,883 km (0.08 R)
• M20: 21,538,054 km (0.107 R)
• M21: 22,054,316 km (0.11 R)
• M22: 23,809,249 km (0.084 R)
• M23: 26,236,026 km (0.104 R)
• M24: 27,509,253 km (0.066 R)
• M25: 31,956,349 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.6

Radius: 6

Gravity: 19.35 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 11.78 AU - 19.02 AU

Year: 21046 Days

Day: 18.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,161,572 km

• M1: 75,397 km (0.106 R)
• M2: 369,058 km (0.107 R)
• M3: 679,324 km (0.107 R)
• M4: 871,557 km (0.06 R)
• M5: 1,088,025 km (0.078 R)
• M6: 1,497,026 km (0.099 R)
• M7: 2,593,877 km (0.11 R)
• M8: 2,890,979 km (0.114 R)
• M9: 4,211,928 km (0.109 R)
• M10: 6,629,430 km (0.12 R)
• M11: 7,090,939 km (0.053 R)
• M12: 7,573,542 km (0.103 R)
• M13: 10,940,242 km (0.048 R)
• M14: 12,321,629 km (0.091 R)
• M15: 13,815,214 km (0.036 R)
• M16: 14,414,802 km (0.082 R)
• M17: 15,665,590 km (0.108 R)
• M18: 17,328,819 km (0.11 R)
• M19: 17,849,868 km (0.096 R)
• M20: 20,904,058 km (0.108 R)
• M21: 31,992,851 km (0.106 R)
• M22: 34,655,095 km (0.079 R)
• M23: 35,899,749 km (0.052 R)
• M24: 37,031,008 km (0.103 R)
• M25: 42,573,460 km (0.096 R)
• M26: 56,016,623 km (0.058 R)
• M27: 61,859,767 km (0.112 R)
• M28: 63,688,750 km (0.102 R)
• M29: 70,924,051 km (0.058 R)
• M30: 75,196,267 km (0.096 R)
• M31: 76,812,672 km (0.034 R)
• M32: 77,278,670 km (0.048 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 14,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit