🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.52 AU - 0.58 AU

Year: 144 Days

Day: 21.8 Hours

Environment

Temp: 193 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.13 AU - 1.27 AU

Year: 464 Days

Day: 27.7 Hours

Environment

Temp: 32 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.51 AU - 1.71 AU

Year: 721 Days

Day: 15.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,012,807 km

• M1: 21,991 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.11 AU - 2.59 AU

Year: 1272 Days

Day: 12.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.14 AU - 4.88 AU

Year: 3382 Days

Day: 34.9 Hours

Environment

Temp: -120 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,012,807 km

• M1: 936,183 km (0.026 R)

Asteroid Belt

Center: 5.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.9

Radius: 8.4

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.03 AU - 5.97 AU

Year: 4555 Days

Day: 8.4 Hours

Environment

Temp: -129 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,012,807 km

• M1: 104,569 km (0.095 R)
• M2: 863,479 km (0.095 R)
• M3: 1,143,526 km (0.115 R)
• M4: 1,645,277 km (0.113 R)
• M5: 2,393,416 km (0.077 R)
• M6: 3,198,103 km (0.048 R)
• M7: 3,469,773 km (0.044 R)
• M8: 4,864,474 km (0.071 R)
• M9: 5,412,152 km (0.109 R)
• M10: 5,743,361 km (0.117 R)
• M11: 6,146,528 km (0.107 R)
• M12: 6,476,690 km (0.105 R)
• M13: 7,042,320 km (0.06 R)
• M14: 7,952,024 km (0.059 R)
• M15: 9,284,044 km (0.071 R)
• M16: 10,673,060 km (0.111 R)
• M17: 11,963,192 km (0.073 R)
• M18: 13,654,845 km (0.075 R)
• M19: 15,226,969 km (0.047 R)
• M20: 18,914,706 km (0.094 R)
• M21: 20,529,914 km (0.03 R)
• M22: 22,375,204 km (0.117 R)
• M23: 23,446,923 km (0.093 R)
• M24: 23,958,548 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.7

Radius: 12.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.65 AU - 8.15 AU

Year: 6400 Days

Day: 6.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,012,807 km

• M1: 153,039 km (0.096 R)
• M2: 693,985 km (0.072 R)
• M3: 1,116,748 km (0.091 R)
• M4: 1,511,537 km (0.086 R)
• M5: 1,941,930 km (0.088 R)
• M6: 2,403,140 km (0.051 R)
• M7: 2,820,668 km (0.119 R)
• M8: 4,095,840 km (0.106 R)
• M9: 7,294,093 km (0.047 R)
• M10: 7,747,375 km (0.094 R)
• M11: 9,528,636 km (0.114 R)
• M12: 13,657,388 km (0.109 R)
• M13: 14,347,782 km (0.091 R)
• M14: 15,365,646 km (0.102 R)
• M15: 16,883,616 km (0.116 R)
• M16: 17,477,968 km (0.102 R)
• M17: 18,154,749 km (0.094 R)
• M18: 18,568,985 km (0.118 R)
• M19: 20,142,605 km (0.053 R)
• M20: 21,803,441 km (0.111 R)
• M21: 25,139,324 km (0.068 R)
• M22: 26,001,756 km (0.074 R)
• M23: 26,528,639 km (0.084 R)
• M24: 32,398,560 km (0.102 R)
• M25: 32,906,744 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.1

Radius: 11.4

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.47 AU - 8.53 AU

Year: 8750 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,012,807 km

• M1: 141,819 km (0.098 R)
• M2: 524,789 km (0.094 R)
• M3: 1,042,697 km (0.09 R)
• M4: 1,408,614 km (0.065 R)
• M5: 1,831,078 km (0.106 R)
• M6: 2,301,563 km (0.119 R)
• M7: 3,441,050 km (0.12 R)
• M8: 6,680,592 km (0.082 R)
• M9: 8,821,786 km (0.091 R)
• M10: 10,637,755 km (0.081 R)
• M11: 11,168,678 km (0.06 R)
• M12: 14,539,567 km (0.096 R)
• M13: 17,861,088 km (0.12 R)
• M14: 18,611,770 km (0.107 R)
• M15: 19,072,233 km (0.07 R)
• M16: 20,418,314 km (0.077 R)
• M17: 28,312,893 km (0.067 R)
• M18: 34,691,896 km (0.045 R)
• M19: 38,647,114 km (0.085 R)
• M20: 40,412,369 km (0.08 R)
• M21: 42,495,070 km (0.104 R)
• M22: 45,890,792 km (0.114 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 18,755 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit