🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.97 AU - 0.99 AU

Year: 367 Days

Day: 38.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 4.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 23,031,232 km

• M1: 271,371 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.42 AU - 1.46 AU

Year: 654 Days

Day: 13 Hours

Environment

Temp: -52 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,031,232 km

• M1: 42,785 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.3 AU - 1.84 AU

Year: 745 Days

Day: 28.6 Hours

Environment

Temp: -56 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.4

Radius: 13.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.49 AU - 5.75 AU

Year: 4388 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,031,232 km

• M1: 164,109 km (0.113 R)
• M2: 623,374 km (0.087 R)
• M3: 1,363,136 km (0.065 R)
• M4: 1,811,630 km (0.055 R)
• M5: 2,947,078 km (0.036 R)
• M6: 3,372,086 km (0.109 R)
• M7: 5,157,985 km (0.08 R)
• M8: 5,752,337 km (0.119 R)
• M9: 6,886,738 km (0.108 R)
• M10: 7,307,407 km (0.05 R)
• M11: 7,883,658 km (0.106 R)
• M12: 8,600,082 km (0.052 R)
• M13: 11,455,008 km (0.036 R)
• M14: 12,327,912 km (0.103 R)
• M15: 13,745,202 km (0.073 R)
• M16: 16,042,876 km (0.11 R)
• M17: 17,135,539 km (0.071 R)
• M18: 19,150,622 km (0.119 R)
• M19: 24,533,752 km (0.108 R)
• M20: 25,061,234 km (0.071 R)
• M21: 25,750,730 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.8

Radius: 10.8

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.73 AU - 10.17 AU

Year: 9303 Days

Day: 11.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,031,232 km

• M1: 180,565 km (0.046 R)
• M2: 803,490 km (0.027 R)
• M3: 1,643,333 km (0.09 R)
• M4: 2,207,765 km (0.055 R)
• M5: 4,574,404 km (0.108 R)
• M6: 7,526,119 km (0.11 R)
• M7: 9,083,134 km (0.083 R)
• M8: 9,937,637 km (0.115 R)
• M9: 10,294,129 km (0.098 R)
• M10: 12,512,516 km (0.087 R)
• M11: 15,384,196 km (0.03 R)
• M12: 16,847,263 km (0.113 R)
• M13: 18,736,385 km (0.048 R)
• M14: 19,627,390 km (0.102 R)
• M15: 22,394,502 km (0.057 R)
• M16: 29,141,067 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 11.9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 8.16 AU - 10.16 AU

Year: 10500 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,031,232 km

• M1: 149,598 km (0.081 R)
• M2: 523,892 km (0.088 R)
• M3: 1,464,114 km (0.091 R)
• M4: 1,888,224 km (0.099 R)
• M5: 4,391,894 km (0.107 R)
• M6: 5,255,224 km (0.12 R)
• M7: 5,965,365 km (0.113 R)
• M8: 9,160,626 km (0.099 R)
• M9: 11,237,194 km (0.117 R)
• M10: 11,934,918 km (0.082 R)
• M11: 12,476,911 km (0.101 R)
• M12: 14,811,386 km (0.09 R)
• M13: 17,964,759 km (0.104 R)
• M14: 19,408,678 km (0.088 R)
• M15: 23,169,269 km (0.072 R)
• M16: 24,588,056 km (0.081 R)
• M17: 30,845,435 km (0.085 R)
• M18: 35,684,029 km (0.093 R)
• M19: 39,001,661 km (0.113 R)
• M20: 43,219,274 km (0.067 R)
• M21: 52,388,576 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.2

Radius: 5.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 12.7 AU - 14.88 AU

Year: 19395 Days

Day: 22.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,031,232 km

• M1: 83,176 km (0.062 R)
• M2: 371,601 km (0.087 R)
• M3: 929,302 km (0.108 R)
• M4: 1,407,267 km (0.071 R)
• M5: 3,295,043 km (0.101 R)
• M6: 3,865,908 km (0.04 R)
• M7: 4,098,982 km (0.111 R)
• M8: 4,296,600 km (0.107 R)
• M9: 4,500,502 km (0.108 R)
• M10: 5,699,679 km (0.112 R)
• M11: 7,775,499 km (0.112 R)
• M12: 11,260,232 km (0.105 R)
• M13: 21,879,736 km (0.107 R)
• M14: 22,281,705 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 11,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit