🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.75 AU - 0.85 AU

Year: 261 Days

Day: 43.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.88 AU - 1.26 AU

Year: 404 Days

Day: 23.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 11.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.32 AU - 1.42 AU

Year: 586 Days

Day: 29.5 Hours

Environment

Temp: 1 °C

Axial Tilt: 137.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.54 AU - 1.88 AU

Year: 817 Days

Day: 37.9 Hours

Environment

Temp: -41 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.72 AU - 2.02 AU

Year: 934 Days

Day: 46.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.48 AU - 4.76 AU

Year: 3054 Days

Day: 29.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.23 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 8.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.5 AU - 11.16 AU

Year: 12127 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,083,568 km

• M1: 104,419 km (0.042 R)
• M2: 423,811 km (0.082 R)
• M3: 1,267,094 km (0.088 R)
• M4: 1,665,174 km (0.077 R)
• M5: 2,129,226 km (0.06 R)
• M6: 2,828,148 km (0.041 R)
• M7: 5,386,720 km (0.095 R)
• M8: 5,753,684 km (0.104 R)
• M9: 6,709,913 km (0.078 R)
• M10: 8,725,296 km (0.085 R)
• M11: 9,537,014 km (0.049 R)
• M12: 10,166,671 km (0.106 R)
• M13: 12,803,483 km (0.097 R)
• M14: 13,963,914 km (0.108 R)
• M15: 14,365,884 km (0.106 R)
• M16: 14,716,541 km (0.039 R)
• M17: 15,435,060 km (0.07 R)
• M18: 17,202,409 km (0.093 R)
• M19: 17,999,616 km (0.057 R)
• M20: 18,821,207 km (0.12 R)
• M21: 24,448,930 km (0.092 R)
• M22: 30,524,847 km (0.102 R)
• M23: 30,910,810 km (0.12 R)
• M24: 32,286,960 km (0.115 R)
• M25: 34,012,572 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.8

Radius: 4.9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 14.86 AU - 14.92 AU

Year: 20986 Days

Day: 22 Hours

Environment

Temp: -201 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,083,568 km

• M1: 61,036 km (0.102 R)
• M2: 718,818 km (0.079 R)
• M3: 2,136,557 km (0.112 R)
• M4: 2,356,166 km (0.073 R)
• M5: 3,871,144 km (0.095 R)
• M6: 6,117,356 km (0.091 R)
• M7: 6,947,325 km (0.118 R)
• M8: 7,764,578 km (0.084 R)
• M9: 8,065,270 km (0.092 R)
• M10: 10,391,666 km (0.094 R)
• M11: 11,402,798 km (0.085 R)
• M12: 18,726,661 km (0.12 R)
• M13: 23,972,760 km (0.118 R)
• M14: 29,597,340 km (0.074 R)
• M15: 33,384,261 km (0.073 R)
• M16: 40,477,593 km (0.053 R)
• M17: 44,033,984 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.7

Radius: 4.8

Gravity: 36.66 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 14.24 AU - 16.54 AU

Year: 22052 Days

Day: 23.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,083,568 km

• M1: 78,539 km (0.075 R)
• M2: 250,876 km (0.086 R)
• M3: 714,928 km (0.05 R)
• M4: 999,015 km (0.114 R)
• M5: 1,247,796 km (0.113 R)
• M6: 1,970,054 km (0.098 R)
• M7: 2,911,324 km (0.07 R)
• M8: 3,602,167 km (0.104 R)
• M9: 4,467,740 km (0.045 R)
• M10: 4,797,305 km (0.095 R)
• M11: 6,646,334 km (0.087 R)
• M12: 7,676,764 km (0.057 R)
• M13: 10,235,337 km (0.059 R)
• M14: 11,739,843 km (0.086 R)
• M15: 13,762,855 km (0.092 R)
• M16: 18,023,551 km (0.07 R)
• M17: 19,618,863 km (0.095 R)
• M18: 22,872,467 km (0.109 R)
• M19: 36,480,039 km (0.081 R)
• M20: 39,788,994 km (0.077 R)
• M21: 41,835,344 km (0.032 R)
• M22: 53,881,413 km (0.112 R)
• M23: 76,094,453 km (0.119 R)
• M24: 80,718,523 km (0.052 R)
• M25: 85,784,655 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 16,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit