🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.49 AU - 0.79 AU

Year: 336 Days

Day: 32.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.2

Radius: 9.8

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.83 AU - 1.21 AU

Year: 676 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,437,722 km

• M1: 121,922 km (0.053 R)
• M2: 511,924 km (0.099 R)
• M3: 917,035 km (0.114 R)
• M4: 1,298,061 km (0.051 R)
• M5: 2,129,226 km (0.115 R)
• M6: 2,741,531 km (0.104 R)
• M7: 3,333,639 km (0.098 R)
• M8: 4,315,749 km (0.103 R)
• M9: 4,823,185 km (0.028 R)
• M10: 5,629,966 km (0.099 R)
• M11: 5,977,033 km (0.048 R)
• M12: 7,464,635 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 9.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.03 AU - 1.21 AU

Year: 778 Days

Day: 5.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,437,722 km

• M1: 119,977 km (0.086 R)
• M2: 474,824 km (0.097 R)
• M3: 838,945 km (0.117 R)
• M4: 1,229,545 km (0.072 R)
• M5: 1,541,307 km (0.034 R)
• M6: 1,847,235 km (0.115 R)
• M7: 2,309,642 km (0.085 R)
• M8: 2,791,646 km (0.059 R)
• M9: 3,546,666 km (0.061 R)
• M10: 4,493,621 km (0.1 R)
• M11: 4,860,584 km (0.095 R)
• M12: 5,369,367 km (0.074 R)
• M13: 6,064,398 km (0.119 R)
• M14: 6,374,515 km (0.055 R)
• M15: 6,984,725 km (0.088 R)
• M16: 7,325,808 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.61 AU - 1.67 AU

Year: 1378 Days

Day: 6.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,437,722 km

• M1: 170,392 km (0.118 R)
• M2: 890,257 km (0.113 R)
• M3: 1,419,235 km (0.108 R)
• M4: 1,866,383 km (0.116 R)
• M5: 3,056,883 km (0.104 R)
• M6: 3,486,977 km (0.054 R)
• M7: 3,975,264 km (0.044 R)
• M8: 4,528,477 km (0.101 R)
• M9: 5,521,209 km (0.067 R)
• M10: 6,579,165 km (0.073 R)
• M11: 7,574,290 km (0.048 R)
• M12: 8,879,830 km (0.069 R)
• M13: 9,474,183 km (0.111 R)
• M14: 10,028,293 km (0.072 R)
• M15: 11,971,121 km (0.049 R)
• M16: 13,945,065 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.9

Radius: 8.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.26 AU - 5.62 AU

Year: 7203 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,437,722 km

• M1: 116,088 km (0.115 R)
• M2: 412,441 km (0.107 R)
• M3: 769,980 km (0.114 R)
• M4: 1,056,759 km (0.111 R)
• M5: 1,416,393 km (0.099 R)
• M6: 1,882,540 km (0.083 R)
• M7: 3,196,458 km (0.034 R)
• M8: 3,768,071 km (0.092 R)
• M9: 5,243,854 km (0.111 R)
• M10: 5,953,098 km (0.101 R)
• M11: 6,271,891 km (0.075 R)
• M12: 8,216,065 km (0.092 R)
• M13: 9,558,556 km (0.087 R)
• M14: 13,945,962 km (0.037 R)
• M15: 15,792,299 km (0.1 R)
• M16: 16,404,603 km (0.062 R)
• M17: 18,276,521 km (0.106 R)
• M18: 18,951,657 km (0.056 R)
• M19: 19,389,829 km (0.062 R)
• M20: 21,751,082 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.1

Radius: 14

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.95 AU - 6.41 AU

Year: 7734 Days

Day: 7.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,437,722 km

• M1: 174,581 km (0.073 R)
• M2: 688,150 km (0.111 R)
• M3: 1,944,324 km (0.096 R)
• M4: 2,577,123 km (0.119 R)
• M5: 3,241,187 km (0.08 R)
• M6: 4,138,326 km (0.065 R)
• M7: 4,998,214 km (0.068 R)
• M8: 5,605,283 km (0.108 R)
• M9: 6,164,629 km (0.113 R)
• M10: 6,898,706 km (0.082 R)
• M11: 9,541,951 km (0.119 R)
• M12: 10,250,895 km (0.107 R)
• M13: 12,126,852 km (0.114 R)
• M14: 12,747,683 km (0.079 R)
• M15: 13,281,149 km (0.053 R)
• M16: 13,829,426 km (0.109 R)
• M17: 14,278,967 km (0.091 R)
• M18: 16,114,084 km (0.042 R)
• M19: 16,612,096 km (0.12 R)
• M20: 18,913,360 km (0.093 R)
• M21: 20,828,512 km (0.094 R)
• M22: 22,869,774 km (0.079 R)
• M23: 23,738,639 km (0.108 R)
• M24: 25,964,356 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 11.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.93 AU - 6.61 AU

Year: 9092 Days

Day: 9.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,437,722 km

• M1: 149,448 km (0.12 R)
• M2: 806,183 km (0.119 R)
• M3: 3,104,455 km (0.088 R)
• M4: 3,735,758 km (0.047 R)
• M5: 5,341,093 km (0.104 R)
• M6: 9,011,028 km (0.093 R)
• M7: 10,522,265 km (0.098 R)
• M8: 12,449,086 km (0.095 R)
• M9: 13,070,366 km (0.074 R)
• M10: 17,883,677 km (0.099 R)
• M11: 18,276,521 km (0.114 R)
• M12: 19,558,426 km (0.098 R)
• M13: 20,398,567 km (0.046 R)
• M14: 30,445,560 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 18,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit