🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.56 AU - 0.9 AU

Year: 276 Days

Day: 47.6 Hours

Environment

Temp: -24 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.91 AU - 2.01 AU

Year: 1215 Days

Day: 28.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.4

Radius: 13.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.53 AU - 2.87 AU

Year: 1965 Days

Day: 15 Hours

Environment

Temp: -147 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,096,329 km

• M1: 167,849 km (0.096 R)
• M2: 689,048 km (0.081 R)
• M3: 1,137,692 km (0.109 R)
• M4: 1,843,794 km (0.119 R)
• M5: 2,655,362 km (0.085 R)
• M6: 3,449,727 km (0.051 R)
• M7: 4,025,529 km (0.058 R)
• M8: 4,686,153 km (0.082 R)
• M9: 6,097,908 km (0.09 R)
• M10: 6,644,539 km (0.084 R)
• M11: 7,511,309 km (0.084 R)
• M12: 8,515,560 km (0.097 R)
• M13: 9,300,799 km (0.068 R)
• M14: 10,385,832 km (0.085 R)
• M15: 11,631,833 km (0.109 R)
• M16: 12,598,983 km (0.092 R)
• M17: 13,575,408 km (0.075 R)
• M18: 14,601,799 km (0.071 R)
• M19: 15,679,203 km (0.095 R)
• M20: 16,808,966 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.8

Radius: 10.2

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.48 AU - 5.82 AU

Year: 5177 Days

Day: 11.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,096,329 km

• M1: 126,859 km (0.062 R)
• M2: 465,100 km (0.1 R)
• M3: 807,829 km (0.088 R)
• M4: 1,338,303 km (0.078 R)
• M5: 1,658,592 km (0.074 R)
• M6: 1,986,660 km (0.076 R)
• M7: 2,342,254 km (0.088 R)
• M8: 3,143,500 km (0.069 R)
• M9: 3,520,187 km (0.073 R)
• M10: 4,835,452 km (0.091 R)
• M11: 5,310,724 km (0.084 R)
• M12: 6,289,842 km (0.11 R)
• M13: 7,902,657 km (0.098 R)
• M14: 9,862,240 km (0.088 R)
• M15: 12,278,245 km (0.092 R)
• M16: 13,541,599 km (0.08 R)
• M17: 17,076,298 km (0.066 R)
• M18: 18,246,303 km (0.068 R)
• M19: 19,538,529 km (0.104 R)
• M20: 20,171,478 km (0.037 R)
• M21: 28,152,674 km (0.107 R)
• M22: 29,324,025 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.1

Radius: 8.9

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.06 AU - 9.56 AU

Year: 9667 Days

Day: 11.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,096,329 km

• M1: 110,852 km (0.091 R)
• M2: 399,576 km (0.06 R)
• M3: 682,615 km (0.05 R)
• M4: 1,273,826 km (0.082 R)
• M5: 1,879,548 km (0.081 R)
• M6: 2,193,105 km (0.066 R)
• M7: 3,157,861 km (0.063 R)
• M8: 6,420,741 km (0.032 R)
• M9: 7,180,399 km (0.119 R)
• M10: 7,603,611 km (0.091 R)
• M11: 9,666,865 km (0.115 R)
• M12: 10,288,743 km (0.063 R)
• M13: 11,441,096 km (0.087 R)
• M14: 12,255,506 km (0.066 R)
• M15: 13,233,278 km (0.083 R)
• M16: 14,262,063 km (0.113 R)
• M17: 14,863,596 km (0.12 R)
• M18: 15,205,128 km (0.084 R)
• M19: 15,762,380 km (0.102 R)
• M20: 18,597,259 km (0.114 R)
• M21: 19,234,696 km (0.066 R)
• M22: 20,806,969 km (0.075 R)
• M23: 23,003,814 km (0.104 R)
• M24: 32,879,368 km (0.086 R)
• M25: 34,760,262 km (0.073 R)
• M26: 35,605,340 km (0.115 R)
• M27: 37,336,487 km (0.078 R)
• M28: 41,233,811 km (0.113 R)
• M29: 43,003,703 km (0.041 R)
• M30: 45,969,032 km (0.038 R)
• M31: 47,575,414 km (0.115 R)
• M32: 48,168,719 km (0.116 R)
• M33: 48,766,961 km (0.036 R)
• M34: 49,369,990 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286

Radius: 6.6

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 10.34 AU - 15.86 AU

Year: 21001 Days

Day: 22.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,096,329 km

• M1: 82,129 km (0.088 R)
• M2: 309,069 km (0.085 R)
• M3: 610,060 km (0.101 R)
• M4: 1,698,085 km (0.046 R)
• M5: 1,951,055 km (0.104 R)
• M6: 2,367,685 km (0.107 R)
• M7: 2,640,851 km (0.09 R)
• M8: 2,865,248 km (0.12 R)
• M9: 3,643,307 km (0.054 R)
• M10: 3,922,007 km (0.025 R)
• M11: 4,617,787 km (0.115 R)
• M12: 7,548,559 km (0.109 R)
• M13: 8,049,263 km (0.093 R)
• M14: 8,767,333 km (0.089 R)
• M15: 9,843,241 km (0.095 R)
• M16: 10,275,429 km (0.045 R)
• M17: 11,235,698 km (0.079 R)
• M18: 11,470,118 km (0.088 R)
• M19: 11,767,668 km (0.078 R)
• M20: 12,565,623 km (0.116 R)
• M21: 15,606,648 km (0.11 R)
• M22: 22,905,528 km (0.12 R)
• M23: 24,537,492 km (0.079 R)
• M24: 26,040,501 km (0.109 R)
• M25: 26,554,819 km (0.117 R)
• M26: 29,450,136 km (0.094 R)
• M27: 30,008,435 km (0.11 R)
• M28: 31,146,127 km (0.049 R)
• M29: 34,855,855 km (0.1 R)
• M30: 35,732,349 km (0.084 R)
• M31: 35,985,469 km (0.094 R)
• M32: 36,623,653 km (0.071 R)
• M33: 37,529,618 km (0.064 R)
• M34: 45,470,123 km (0.05 R)
• M35: 45,767,374 km (0.055 R)
• M36: 52,314,226 km (0.09 R)
• M37: 58,751,721 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.5

Radius: 4.1

Gravity: 29.24 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 11.75 AU - 18.07 AU

Year: 25501 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,096,329 km

• M1: 51,312 km (0.094 R)
• M2: 608,714 km (0.06 R)
• M3: 1,474,137 km (0.116 R)
• M4: 1,827,039 km (0.038 R)
• M5: 2,148,076 km (0.046 R)
• M6: 2,412,565 km (0.087 R)
• M7: 2,673,912 km (0.111 R)
• M8: 4,138,475 km (0.116 R)
• M9: 4,408,649 km (0.086 R)
• M10: 5,648,965 km (0.12 R)
• M11: 5,896,998 km (0.088 R)
• M12: 6,326,793 km (0.102 R)
• M13: 7,345,106 km (0.107 R)
• M14: 11,436,308 km (0.093 R)
• M15: 15,110,133 km (0.082 R)
• M16: 16,997,310 km (0.105 R)
• M17: 19,220,484 km (0.117 R)
• M18: 20,066,011 km (0.043 R)
• M19: 22,236,975 km (0.055 R)
• M20: 25,554,458 km (0.089 R)
• M21: 28,218,646 km (0.099 R)
• M22: 37,023,079 km (0.03 R)
• M23: 39,068,531 km (0.068 R)
• M24: 46,819,646 km (0.068 R)
• M25: 49,208,873 km (0.114 R)
• M26: 61,975,705 km (0.104 R)
• M27: 63,815,011 km (0.101 R)
• M28: 78,901,657 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 17,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit