🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.8

Radius: 11.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.08 AU - 1.14 AU

Year: 807 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,901,949 km

• M1: 141,819 km (0.083 R)
• M2: 505,192 km (0.085 R)
• M3: 946,805 km (0.045 R)
• M4: 1,310,926 km (0.078 R)
• M5: 1,821,204 km (0.086 R)
• M6: 2,430,517 km (0.093 R)
• M7: 3,146,791 km (0.031 R)
• M8: 3,616,379 km (0.055 R)
• M9: 4,028,371 km (0.108 R)
• M10: 4,487,637 km (0.051 R)
• M11: 6,138,001 km (0.089 R)
• M12: 6,938,798 km (0.092 R)
• M13: 7,854,487 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.9

Radius: 11.1

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.3 AU - 2.71 AU

Year: 2728 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 55,901,949 km

• M1: 165,306 km (0.104 R)
• M2: 2,504,717 km (0.084 R)
• M3: 3,260,486 km (0.099 R)
• M4: 4,749,732 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.5

Radius: 10.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.86 AU - 4.38 AU

Year: 4754 Days

Day: 10.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,901,949 km

• M1: 131,796 km (0.05 R)
• M2: 490,980 km (0.098 R)
• M3: 980,315 km (0.107 R)
• M4: 1,785,750 km (0.097 R)
• M5: 2,293,036 km (0.118 R)
• M6: 3,175,065 km (0.107 R)
• M7: 4,838,444 km (0.069 R)
• M8: 5,373,855 km (0.096 R)
• M9: 6,500,027 km (0.04 R)
• M10: 7,529,859 km (0.113 R)
• M11: 8,437,021 km (0.118 R)
• M12: 9,173,940 km (0.081 R)
• M13: 10,555,327 km (0.072 R)
• M14: 11,045,260 km (0.095 R)
• M15: 13,466,052 km (0.103 R)
• M16: 14,745,413 km (0.076 R)
• M17: 16,397,123 km (0.077 R)
• M18: 19,265,064 km (0.107 R)
• M19: 19,662,396 km (0.077 R)
• M20: 22,818,014 km (0.076 R)
• M21: 26,135,047 km (0.036 R)
• M22: 28,802,826 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.5

Radius: 5.5

Gravity: 21.87 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.94 AU - 7.48 AU

Year: 10682 Days

Day: 15.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,901,949 km

• M1: 69,114 km (0.073 R)
• M2: 259,702 km (0.11 R)
• M3: 601,982 km (0.097 R)
• M4: 822,489 km (0.119 R)
• M5: 1,020,108 km (0.066 R)
• M6: 1,457,382 km (0.07 R)
• M7: 1,828,984 km (0.05 R)
• M8: 2,134,163 km (0.1 R)
• M9: 3,208,874 km (0.114 R)
• M10: 4,251,272 km (0.073 R)
• M11: 4,725,498 km (0.083 R)
• M12: 5,168,756 km (0.108 R)
• M13: 8,985,447 km (0.111 R)
• M14: 9,320,995 km (0.054 R)
• M15: 9,764,702 km (0.083 R)
• M16: 10,222,322 km (0.079 R)
• M17: 12,023,181 km (0.115 R)
• M18: 12,489,627 km (0.079 R)
• M19: 13,273,370 km (0.119 R)
• M20: 18,064,242 km (0.115 R)
• M21: 23,171,214 km (0.092 R)
• M22: 23,893,024 km (0.097 R)
• M23: 25,955,530 km (0.074 R)
• M24: 26,734,037 km (0.091 R)
• M25: 29,898,032 km (0.095 R)
• M26: 32,400,804 km (0.09 R)
• M27: 32,849,897 km (0.079 R)
• M28: 36,110,233 km (0.101 R)
• M29: 38,566,780 km (0.091 R)
• M30: 39,452,250 km (0.058 R)
• M31: 41,395,077 km (0.084 R)
• M32: 43,809,736 km (0.071 R)
• M33: 46,886,366 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 5.7

Gravity: 29.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.34 AU - 7.08 AU

Year: 10682 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 150.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,901,949 km

• M1: 71,957 km (0.104 R)
• M2: 484,847 km (0.087 R)
• M3: 768,035 km (0.109 R)
• M4: 1,900,342 km (0.104 R)
• M5: 3,015,145 km (0.089 R)
• M6: 3,207,528 km (0.118 R)
• M7: 5,793,776 km (0.064 R)
• M8: 7,261,181 km (0.094 R)
• M9: 8,960,314 km (0.106 R)
• M10: 9,615,403 km (0.069 R)
• M11: 10,034,128 km (0.091 R)
• M12: 10,248,053 km (0.111 R)
• M13: 11,305,709 km (0.087 R)
• M14: 15,474,404 km (0.115 R)
• M15: 16,268,469 km (0.092 R)
• M16: 18,173,748 km (0.118 R)
• M17: 20,137,968 km (0.114 R)
• M18: 21,790,127 km (0.078 R)
• M19: 29,522,541 km (0.091 R)
• M20: 30,406,066 km (0.074 R)
• M21: 32,574,787 km (0.062 R)
• M22: 37,473,369 km (0.073 R)
• M23: 50,711,883 km (0.058 R)
• M24: 51,818,458 km (0.115 R)
• M25: 53,752,759 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 13,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit