🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.91 AU - 1.45 AU

Year: 473 Days

Day: 33.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.41 AU - 1.99 AU

Year: 818 Days

Day: 35.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,682,441 km

• M1: 143,764 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.97 AU - 2.37 AU

Year: 1179 Days

Day: 43.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 12.4

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.19 AU - 5.07 AU

Year: 3676 Days

Day: 12.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,682,441 km

• M1: 154,235 km (0.098 R)
• M2: 755,320 km (0.09 R)
• M3: 1,477,877 km (0.098 R)
• M4: 2,005,210 km (0.063 R)
• M5: 3,714,814 km (0.099 R)
• M6: 4,796,108 km (0.105 R)
• M7: 7,318,777 km (0.11 R)
• M8: 10,103,541 km (0.094 R)
• M9: 10,540,666 km (0.094 R)
• M10: 12,552,757 km (0.079 R)
• M11: 15,115,668 km (0.075 R)
• M12: 15,741,137 km (0.064 R)
• M13: 16,275,500 km (0.083 R)
• M14: 17,043,835 km (0.046 R)
• M15: 18,300,158 km (0.106 R)
• M16: 18,950,909 km (0.106 R)
• M17: 20,424,597 km (0.081 R)
• M18: 21,448,595 km (0.105 R)

Asteroid Belt

Center: 5.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 13.9

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.01 AU - 8.17 AU

Year: 6242 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,682,441 km

• M1: 173,234 km (0.114 R)
• M2: 664,963 km (0.118 R)
• M3: 1,596,359 km (0.095 R)
• M4: 2,224,221 km (0.109 R)
• M5: 2,795,386 km (0.05 R)
• M6: 3,623,859 km (0.067 R)
• M7: 4,749,284 km (0.089 R)
• M8: 5,363,233 km (0.096 R)
• M9: 6,096,113 km (0.119 R)
• M10: 6,894,966 km (0.107 R)
• M11: 7,338,823 km (0.063 R)
• M12: 10,322,253 km (0.118 R)
• M13: 11,560,774 km (0.06 R)
• M14: 12,512,216 km (0.068 R)
• M15: 13,007,236 km (0.114 R)
• M16: 15,618,317 km (0.066 R)
• M17: 16,781,141 km (0.11 R)
• M18: 18,279,813 km (0.106 R)
• M19: 21,777,860 km (0.102 R)
• M20: 22,575,964 km (0.064 R)
• M21: 23,893,473 km (0.098 R)
• M22: 27,319,114 km (0.099 R)
• M23: 29,486,040 km (0.092 R)
• M24: 30,167,757 km (0.103 R)
• M25: 30,760,314 km (0.098 R)
• M26: 33,000,093 km (0.103 R)
• M27: 35,237,629 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.8

Radius: 10

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.67 AU - 10.87 AU

Year: 11267 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,682,441 km

• M1: 124,465 km (0.12 R)
• M2: 557,850 km (0.067 R)
• M3: 1,103,284 km (0.093 R)
• M4: 1,824,047 km (0.106 R)
• M5: 2,473,152 km (0.09 R)
• M6: 3,547,863 km (0.097 R)
• M7: 4,378,580 km (0.115 R)
• M8: 5,363,084 km (0.1 R)
• M9: 8,503,143 km (0.066 R)
• M10: 13,833,166 km (0.059 R)
• M11: 14,339,554 km (0.107 R)
• M12: 14,683,779 km (0.088 R)
• M13: 17,187,000 km (0.094 R)
• M14: 18,036,566 km (0.084 R)
• M15: 19,328,494 km (0.089 R)
• M16: 27,160,840 km (0.057 R)
• M17: 30,336,653 km (0.119 R)
• M18: 32,454,959 km (0.117 R)
• M19: 33,449,635 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.6

Radius: 6.5

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 16.98 AU - 19.54 AU

Year: 28789 Days

Day: 22.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,682,441 km

• M1: 80,932 km (0.091 R)
• M2: 460,462 km (0.081 R)
• M3: 886,068 km (0.084 R)
• M4: 1,938,190 km (0.101 R)
• M5: 2,156,154 km (0.118 R)
• M6: 2,737,491 km (0.1 R)
• M7: 3,064,961 km (0.091 R)
• M8: 4,963,508 km (0.09 R)
• M9: 6,479,084 km (0.093 R)
• M10: 8,331,105 km (0.101 R)
• M11: 14,486,459 km (0.112 R)
• M12: 16,437,664 km (0.112 R)
• M13: 31,427,670 km (0.105 R)
• M14: 45,572,897 km (0.066 R)
• M15: 70,942,003 km (0.119 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: 166 - 10,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit