🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.66 AU - 0.86 AU

Year: 236 Days

Day: 36.5 Hours

Environment

Temp: 138 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,344,500 km

• M1: 456,722 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.03 AU - 1.47 AU

Year: 498 Days

Day: 23.9 Hours

Environment

Temp: 11 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.26

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.24 AU - 1.28 AU

Year: 504 Days

Day: 30.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 39.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.63 AU - 2.37 AU

Year: 1008 Days

Day: 41.2 Hours

Environment

Temp: -62 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.68 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.9

Radius: 14.4

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.79 AU - 8.93 AU

Year: 7117 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,344,500 km

• M1: 227,838 km (0.12 R)
• M2: 684,111 km (0.106 R)
• M3: 1,814,024 km (0.097 R)
• M4: 2,329,089 km (0.116 R)
• M5: 3,040,726 km (0.049 R)
• M6: 4,346,267 km (0.119 R)
• M7: 5,234,878 km (0.113 R)
• M8: 5,918,840 km (0.072 R)
• M9: 7,343,161 km (0.119 R)
• M10: 8,401,716 km (0.079 R)
• M11: 9,633,205 km (0.084 R)
• M12: 12,941,562 km (0.119 R)
• M13: 20,578,533 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.6

Radius: 8.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.44 AU - 8.7 AU

Year: 8943 Days

Day: 6.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 90,344,500 km

• M1: 201,957 km (0.091 R)
• M2: 482,154 km (0.1 R)
• M3: 781,050 km (0.115 R)
• M4: 1,207,853 km (0.087 R)
• M5: 2,484,970 km (0.059 R)
• M6: 2,804,362 km (0.079 R)
• M7: 3,377,322 km (0.109 R)
• M8: 4,317,993 km (0.083 R)
• M9: 4,623,921 km (0.105 R)
• M10: 5,810,980 km (0.041 R)
• M11: 6,946,128 km (0.03 R)
• M12: 7,993,463 km (0.108 R)
• M13: 11,044,063 km (0.075 R)
• M14: 18,045,393 km (0.091 R)
• M15: 18,707,962 km (0.087 R)
• M16: 21,966,503 km (0.074 R)
• M17: 28,147,887 km (0.092 R)
• M18: 31,728,960 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 13.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.02 AU - 10.56 AU

Year: 10919 Days

Day: 10.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 90,344,500 km

• M1: 199,863 km (0.057 R)
• M2: 695,181 km (0.108 R)
• M3: 1,303,297 km (0.069 R)
• M4: 2,093,622 km (0.071 R)
• M5: 3,090,542 km (0.092 R)
• M6: 3,953,273 km (0.116 R)
• M7: 5,437,883 km (0.097 R)
• M8: 6,383,640 km (0.06 R)
• M9: 14,906,680 km (0.092 R)
• M10: 15,599,767 km (0.045 R)
• M11: 17,275,712 km (0.11 R)
• M12: 19,474,352 km (0.095 R)
• M13: 22,477,529 km (0.109 R)
• M14: 23,574,680 km (0.077 R)
• M15: 24,516,099 km (0.113 R)
• M16: 27,800,969 km (0.063 R)
• M17: 32,854,385 km (0.055 R)
• M18: 42,079,637 km (0.106 R)
• M19: 44,593,928 km (0.103 R)
• M20: 45,598,329 km (0.105 R)
• M21: 48,701,736 km (0.04 R)
• M22: 50,537,003 km (0.07 R)
• M23: 51,943,373 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 14.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.6 AU - 12.46 AU

Year: 13057 Days

Day: 12 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,344,500 km

• M1: 180,265 km (0.081 R)
• M2: 738,565 km (0.093 R)
• M3: 1,257,968 km (0.111 R)
• M4: 3,196,607 km (0.057 R)
• M5: 3,665,297 km (0.101 R)
• M6: 4,808,824 km (0.032 R)
• M7: 6,870,133 km (0.113 R)
• M8: 7,980,598 km (0.032 R)
• M9: 8,457,067 km (0.12 R)
• M10: 10,166,372 km (0.079 R)
• M11: 11,487,321 km (0.109 R)
• M12: 13,378,687 km (0.085 R)
• M13: 20,913,932 km (0.056 R)
• M14: 23,818,225 km (0.102 R)
• M15: 25,932,492 km (0.093 R)
• M16: 28,498,694 km (0.081 R)
• M17: 29,054,001 km (0.097 R)
• M18: 29,843,429 km (0.097 R)
• M19: 31,939,295 km (0.072 R)
• M20: 33,023,281 km (0.11 R)
• M21: 46,309,966 km (0.07 R)
• M22: 47,078,001 km (0.05 R)
• M23: 49,432,971 km (0.114 R)
• M24: 52,860,408 km (0.092 R)
• M25: 55,403,422 km (0.107 R)
• M26: 56,268,995 km (0.083 R)
• M27: 60,732,696 km (0.048 R)
• M28: 62,209,527 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.5

Radius: 4.2

Gravity: 51.79 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 13.69 AU - 17.93 AU

Year: 22407 Days

Day: 17.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,344,500 km

• M1: 52,958 km (0.041 R)
• M2: 250,576 km (0.099 R)
• M3: 578,794 km (0.104 R)
• M4: 818,749 km (0.094 R)
• M5: 1,122,433 km (0.113 R)
• M6: 1,657,544 km (0.118 R)
• M7: 2,034,381 km (0.072 R)
• M8: 2,231,701 km (0.075 R)
• M9: 3,477,253 km (0.1 R)
• M10: 5,744,708 km (0.102 R)
• M11: 7,131,330 km (0.102 R)
• M12: 8,280,093 km (0.063 R)
• M13: 9,975,485 km (0.085 R)
• M14: 12,747,983 km (0.036 R)
• M15: 13,956,434 km (0.065 R)
• M16: 16,685,847 km (0.076 R)
• M17: 20,146,345 km (0.116 R)
• M18: 23,944,336 km (0.098 R)
• M19: 25,193,628 km (0.11 R)
• M20: 32,505,523 km (0.105 R)
• M21: 34,889,515 km (0.117 R)
• M22: 35,466,962 km (0.099 R)
• M23: 54,917,977 km (0.118 R)
• M24: 66,756,853 km (0.092 R)
• M25: 67,646,212 km (0.103 R)
• M26: 78,448,525 km (0.11 R)

Kuiper Belt

Range: 30.8 - 55.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 18,918 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit