🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.6 AU - 0.76 AU

Year: 209 Days

Day: 27.9 Hours

Environment

Temp: 120 °C

Axial Tilt: 42.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.55 AU - 0.89 AU

Year: 228 Days

Day: 22.7 Hours

Environment

Temp: 169 °C

Axial Tilt: 16.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,740,283 km

• M1: 576,101 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.73 AU - 2.01 AU

Year: 953 Days

Day: 27.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.65 AU - 2.75 AU

Year: 1216 Days

Day: 24.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,740,283 km

• M1: 210,634 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192

Radius: 11.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.15 AU - 5.53 AU

Year: 3969 Days

Day: 10.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,740,283 km

• M1: 145,559 km (0.059 R)
• M2: 530,324 km (0.105 R)
• M3: 1,655,899 km (0.113 R)
• M4: 2,232,599 km (0.074 R)
• M5: 2,970,715 km (0.056 R)
• M6: 3,595,286 km (0.11 R)
• M7: 4,285,829 km (0.092 R)
• M8: 6,599,660 km (0.11 R)
• M9: 8,649,300 km (0.053 R)
• M10: 9,611,813 km (0.073 R)
• M11: 10,352,322 km (0.112 R)
• M12: 11,016,986 km (0.116 R)
• M13: 12,845,221 km (0.112 R)
• M14: 14,775,632 km (0.074 R)
• M15: 15,428,627 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.4

Radius: 12.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.39 AU - 5.43 AU

Year: 4691 Days

Day: 5.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,740,283 km

• M1: 180,714 km (0.062 R)
• M2: 576,999 km (0.11 R)
• M3: 1,916,349 km (0.089 R)
• M4: 2,466,570 km (0.112 R)
• M5: 2,902,498 km (0.061 R)
• M6: 3,311,798 km (0.118 R)
• M7: 4,271,468 km (0.118 R)
• M8: 4,728,938 km (0.091 R)
• M9: 5,574,166 km (0.046 R)
• M10: 6,486,564 km (0.059 R)
• M11: 7,737,950 km (0.044 R)
• M12: 8,421,163 km (0.073 R)
• M13: 8,834,951 km (0.107 R)
• M14: 9,908,465 km (0.09 R)
• M15: 10,327,489 km (0.114 R)
• M16: 11,472,661 km (0.056 R)
• M17: 12,313,999 km (0.106 R)
• M18: 13,046,131 km (0.1 R)
• M19: 15,030,996 km (0.053 R)
• M20: 18,437,638 km (0.113 R)
• M21: 22,543,502 km (0.112 R)
• M22: 26,095,703 km (0.036 R)

Asteroid Belt

Center: 5.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791

Radius: 14.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.6 AU - 6.98 AU

Year: 5881 Days

Day: 9.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,740,283 km

• M1: 179,069 km (0.112 R)
• M2: 646,562 km (0.095 R)
• M3: 1,256,024 km (0.094 R)
• M4: 1,750,295 km (0.047 R)
• M5: 2,343,451 km (0.094 R)
• M6: 3,919,165 km (0.119 R)
• M7: 4,892,598 km (0.09 R)
• M8: 5,864,087 km (0.12 R)
• M9: 7,614,083 km (0.076 R)
• M10: 10,184,025 km (0.106 R)
• M11: 10,979,736 km (0.098 R)
• M12: 12,908,501 km (0.096 R)
• M13: 14,237,678 km (0.093 R)
• M14: 19,542,419 km (0.087 R)
• M15: 20,114,780 km (0.083 R)
• M16: 22,283,650 km (0.112 R)
• M17: 25,440,913 km (0.07 R)
• M18: 26,123,528 km (0.089 R)
• M19: 26,818,560 km (0.054 R)
• M20: 32,629,240 km (0.108 R)
• M21: 33,843,526 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 13.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.17 AU - 9.97 AU

Year: 8546 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,740,283 km

• M1: 174,730 km (0.09 R)
• M2: 808,128 km (0.071 R)
• M3: 1,496,128 km (0.083 R)
• M4: 2,135,809 km (0.108 R)
• M5: 2,703,234 km (0.049 R)
• M6: 3,305,664 km (0.116 R)
• M7: 4,299,443 km (0.049 R)
• M8: 5,272,278 km (0.117 R)
• M9: 7,847,306 km (0.092 R)
• M10: 9,654,299 km (0.086 R)
• M11: 10,111,769 km (0.059 R)
• M12: 13,560,299 km (0.045 R)
• M13: 15,027,256 km (0.09 R)
• M14: 17,726,300 km (0.118 R)
• M15: 19,119,057 km (0.073 R)
• M16: 20,136,621 km (0.098 R)
• M17: 20,809,513 km (0.071 R)
• M18: 21,964,408 km (0.115 R)
• M19: 26,655,947 km (0.108 R)
• M20: 33,722,352 km (0.067 R)
• M21: 34,992,438 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 11,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit