🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 9

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.58 AU - 0.9 AU

Year: 424 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,991,481 km

• M1: 111,899 km (0.027 R)
• M2: 396,285 km (0.119 R)
• M3: 705,504 km (0.108 R)
• M4: 1,211,294 km (0.119 R)
• M5: 1,681,630 km (0.098 R)
• M6: 2,032,736 km (0.107 R)
• M7: 2,368,433 km (0.058 R)
• M8: 2,863,602 km (0.102 R)
• M9: 3,715,862 km (0.095 R)
• M10: 4,262,043 km (0.118 R)
• M11: 4,860,884 km (0.053 R)
• M12: 5,530,932 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.8

Radius: 8.7

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.79 AU - 1.13 AU

Year: 627 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,991,481 km

• M1: 108,309 km (0.078 R)
• M2: 430,692 km (0.093 R)
• M3: 749,635 km (0.11 R)
• M4: 1,088,923 km (0.113 R)
• M5: 1,814,173 km (0.111 R)
• M6: 2,133,266 km (0.094 R)
• M7: 2,469,562 km (0.068 R)
• M8: 2,830,093 km (0.096 R)
• M9: 3,250,014 km (0.085 R)
• M10: 3,631,189 km (0.109 R)
• M11: 4,127,854 km (0.033 R)
• M12: 4,483,747 km (0.075 R)
• M13: 5,394,200 km (0.089 R)
• M14: 6,287,599 km (0.046 R)
• M15: 6,679,545 km (0.115 R)
• M16: 6,963,332 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.2

Radius: 12.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.01 AU - 1.47 AU

Year: 921 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,991,481 km

• M1: 154,385 km (0.097 R)
• M2: 817,852 km (0.106 R)
• M3: 1,762,413 km (0.073 R)
• M4: 2,499,780 km (0.109 R)
• M5: 3,854,539 km (0.065 R)
• M6: 4,878,237 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 11.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.77 AU - 2.93 AU

Year: 3208 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,991,481 km

• M1: 144,960 km (0.109 R)
• M2: 1,477,279 km (0.118 R)
• M3: 2,263,117 km (0.093 R)
• M4: 2,804,810 km (0.112 R)
• M5: 3,190,474 km (0.091 R)
• M6: 5,081,391 km (0.066 R)
• M7: 5,510,438 km (0.099 R)
• M8: 5,886,527 km (0.114 R)
• M9: 8,986,344 km (0.117 R)
• M10: 10,807,997 km (0.075 R)
• M11: 15,023,366 km (0.064 R)
• M12: 17,042,788 km (0.102 R)
• M13: 19,009,701 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.5

Radius: 14.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.53 AU - 4.11 AU

Year: 4034 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,991,481 km

• M1: 182,509 km (0.073 R)
• M2: 701,016 km (0.115 R)
• M3: 1,504,655 km (0.115 R)
• M4: 2,068,939 km (0.116 R)
• M5: 2,608,089 km (0.092 R)
• M6: 3,375,975 km (0.112 R)
• M7: 4,696,027 km (0.083 R)
• M8: 5,232,186 km (0.088 R)
• M9: 6,187,368 km (0.092 R)
• M10: 7,189,973 km (0.1 R)
• M11: 8,779,899 km (0.061 R)
• M12: 9,678,085 km (0.112 R)
• M13: 11,981,443 km (0.073 R)
• M14: 12,550,065 km (0.047 R)
• M15: 13,386,317 km (0.027 R)
• M16: 13,998,920 km (0.075 R)
• M17: 16,464,143 km (0.111 R)
• M18: 19,014,787 km (0.096 R)
• M19: 20,585,265 km (0.102 R)
• M20: 21,748,987 km (0.115 R)
• M21: 25,503,744 km (0.106 R)
• M22: 27,168,469 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.1

Radius: 13.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.35 AU - 4.77 AU

Year: 6493 Days

Day: 6.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,991,481 km

• M1: 169,195 km (0.087 R)
• M2: 1,018,163 km (0.04 R)
• M3: 2,216,592 km (0.11 R)
• M4: 2,794,638 km (0.097 R)
• M5: 3,707,334 km (0.103 R)
• M6: 4,578,443 km (0.057 R)
• M7: 5,103,831 km (0.116 R)
• M8: 5,640,289 km (0.105 R)
• M9: 7,234,254 km (0.052 R)
• M10: 8,363,119 km (0.098 R)
• M11: 9,030,475 km (0.083 R)
• M12: 9,690,651 km (0.106 R)
• M13: 10,382,840 km (0.073 R)
• M14: 12,208,832 km (0.069 R)
• M15: 13,806,537 km (0.094 R)
• M16: 15,714,658 km (0.073 R)
• M17: 16,488,827 km (0.031 R)
• M18: 18,048,983 km (0.078 R)
• M19: 18,503,013 km (0.083 R)
• M20: 26,846,535 km (0.113 R)
• M21: 28,126,195 km (0.105 R)
• M22: 28,825,116 km (0.057 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 10,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit