🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.5

Radius: 13.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.72 AU - 2 AU

Year: 1638 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,868,221 km

• M1: 165,455 km (0.118 R)
• M2: 1,672,355 km (0.118 R)
• M3: 2,567,099 km (0.065 R)
• M4: 3,222,787 km (0.116 R)
• M5: 3,777,496 km (0.11 R)
• M6: 4,433,782 km (0.086 R)
• M7: 6,288,795 km (0.115 R)
• M8: 8,226,985 km (0.057 R)
• M9: 9,690,352 km (0.035 R)
• M10: 10,432,208 km (0.116 R)
• M11: 13,412,496 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.3

Radius: 12.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.04 AU - 2.48 AU

Year: 2194 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,868,221 km

• M1: 154,235 km (0.04 R)
• M2: 650,452 km (0.092 R)
• M3: 1,092,214 km (0.111 R)
• M4: 1,654,253 km (0.082 R)
• M5: 2,310,090 km (0.099 R)
• M6: 2,860,012 km (0.116 R)
• M7: 4,123,815 km (0.102 R)
• M8: 4,802,840 km (0.115 R)
• M9: 5,336,156 km (0.099 R)
• M10: 5,960,278 km (0.084 R)
• M11: 6,716,645 km (0.102 R)
• M12: 7,627,846 km (0.062 R)
• M13: 8,161,461 km (0.108 R)
• M14: 8,957,173 km (0.067 R)
• M15: 10,549,791 km (0.064 R)
• M16: 11,780,084 km (0.111 R)
• M17: 12,408,695 km (0.099 R)
• M18: 13,103,876 km (0.102 R)
• M19: 18,106,728 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.6

Radius: 9.1

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.35 AU - 4.51 AU

Year: 5030 Days

Day: 5.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,868,221 km

• M1: 113,994 km (0.088 R)
• M2: 608,863 km (0.07 R)
• M3: 1,027,588 km (0.047 R)
• M4: 1,633,310 km (0.116 R)
• M5: 2,245,913 km (0.12 R)
• M6: 2,932,268 km (0.117 R)
• M7: 3,605,458 km (0.083 R)
• M8: 4,307,820 km (0.093 R)
• M9: 7,294,691 km (0.108 R)
• M10: 7,911,783 km (0.069 R)
• M11: 9,447,554 km (0.063 R)
• M12: 9,973,391 km (0.08 R)
• M13: 11,083,856 km (0.08 R)
• M14: 18,328,731 km (0.092 R)
• M15: 19,275,087 km (0.086 R)
• M16: 20,453,320 km (0.055 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.7

Radius: 4.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.28 AU - 7.58 AU

Year: 10528 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,868,221 km

• M1: 60,886 km (0.117 R)
• M2: 255,513 km (0.089 R)
• M3: 420,370 km (0.048 R)
• M4: 658,979 km (0.04 R)
• M5: 834,906 km (0.104 R)
• M6: 1,302,848 km (0.097 R)
• M7: 1,816,866 km (0.1 R)
• M8: 2,641,150 km (0.04 R)
• M9: 3,381,809 km (0.093 R)
• M10: 4,016,703 km (0.076 R)
• M11: 5,467,054 km (0.078 R)
• M12: 7,746,028 km (0.069 R)
• M13: 8,592,902 km (0.084 R)
• M14: 15,942,944 km (0.056 R)
• M15: 16,752,269 km (0.091 R)
• M16: 21,730,736 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.8

Radius: 5

Gravity: 29.75 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.13 AU - 7.67 AU

Year: 11703 Days

Day: 18.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,868,221 km

• M1: 80,184 km (0.055 R)
• M2: 380,876 km (0.099 R)
• M3: 936,782 km (0.042 R)
• M4: 1,174,044 km (0.069 R)
• M5: 1,658,891 km (0.091 R)
• M6: 2,116,810 km (0.069 R)
• M7: 2,944,086 km (0.07 R)
• M8: 4,140,121 km (0.113 R)
• M9: 4,316,946 km (0.082 R)
• M10: 6,143,835 km (0.119 R)
• M11: 6,335,470 km (0.042 R)
• M12: 7,100,364 km (0.08 R)
• M13: 10,615,016 km (0.098 R)
• M14: 15,702,391 km (0.099 R)
• M15: 18,806,996 km (0.096 R)
• M16: 21,939,276 km (0.103 R)
• M17: 23,957,501 km (0.119 R)
• M18: 29,105,313 km (0.052 R)
• M19: 32,222,484 km (0.049 R)
• M20: 35,678,195 km (0.064 R)
• M21: 37,558,939 km (0.04 R)
• M22: 38,200,265 km (0.086 R)
• M23: 39,241,466 km (0.079 R)
• M24: 40,301,517 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.5

Radius: 4.3

Gravity: 22.63 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.09 AU - 8.55 AU

Year: 15495 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,868,221 km

• M1: 53,556 km (0.065 R)
• M2: 219,310 km (0.096 R)
• M3: 536,009 km (0.113 R)
• M4: 883,375 km (0.077 R)
• M5: 1,112,559 km (0.035 R)
• M6: 2,346,592 km (0.107 R)
• M7: 2,743,027 km (0.082 R)
• M8: 4,848,168 km (0.077 R)
• M9: 5,077,950 km (0.105 R)
• M10: 5,315,063 km (0.077 R)
• M11: 7,881,863 km (0.096 R)
• M12: 8,292,210 km (0.057 R)
• M13: 10,076,763 km (0.098 R)
• M14: 11,983,089 km (0.084 R)
• M15: 14,653,560 km (0.112 R)
• M16: 17,388,957 km (0.113 R)
• M17: 18,240,169 km (0.108 R)
• M18: 18,397,845 km (0.11 R)
• M19: 21,569,619 km (0.114 R)
• M20: 24,990,175 km (0.099 R)
• M21: 25,973,033 km (0.028 R)
• M22: 28,120,660 km (0.087 R)
• M23: 29,616,339 km (0.046 R)
• M24: 38,799,704 km (0.057 R)
• M25: 41,325,813 km (0.088 R)
• M26: 47,891,365 km (0.108 R)
• M27: 50,173,779 km (0.081 R)
• M28: 53,812,748 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.1

Radius: 4.4

Gravity: 41.74 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.19 AU - 9.67 AU

Year: 18697 Days

Day: 22.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,868,221 km

• M1: 57,745 km (0.068 R)
• M2: 265,536 km (0.095 R)
• M3: 766,091 km (0.118 R)
• M4: 1,129,913 km (0.119 R)
• M5: 1,313,469 km (0.113 R)
• M6: 1,634,806 km (0.109 R)
• M7: 3,579,129 km (0.083 R)
• M8: 3,759,394 km (0.07 R)
• M9: 4,137,877 km (0.096 R)
• M10: 4,788,777 km (0.117 R)
• M11: 6,823,608 km (0.048 R)
• M12: 9,598,947 km (0.069 R)
• M13: 10,065,394 km (0.069 R)
• M14: 10,731,104 km (0.114 R)
• M15: 14,130,865 km (0.09 R)
• M16: 14,505,907 km (0.063 R)
• M17: 16,896,631 km (0.118 R)
• M18: 18,898,250 km (0.035 R)
• M19: 19,261,773 km (0.028 R)
• M20: 22,644,031 km (0.118 R)
• M21: 24,100,965 km (0.107 R)
• M22: 24,636,077 km (0.103 R)
• M23: 24,852,395 km (0.118 R)
• M24: 28,132,029 km (0.098 R)
• M25: 32,720,345 km (0.12 R)
• M26: 33,508,427 km (0.042 R)
• M27: 37,639,871 km (0.093 R)
• M28: 38,359,886 km (0.106 R)
• M29: 41,790,464 km (0.113 R)
• M30: 44,935,012 km (0.071 R)
• M31: 68,226,951 km (0.07 R)
• M32: 69,296,576 km (0.111 R)
• M33: 69,943,736 km (0.098 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: 172 - 11,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit