🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.4

Radius: 9.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.47 AU - 0.71 AU

Year: 313 Days

Day: 8.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,856,532 km

• M1: 123,568 km (0.116 R)
• M2: 435,629 km (0.105 R)
• M3: 815,907 km (0.104 R)
• M4: 1,500,915 km (0.071 R)
• M5: 1,905,877 km (0.082 R)
• M6: 2,306,799 km (0.094 R)
• M7: 2,678,849 km (0.026 R)
• M8: 3,226,976 km (0.105 R)
• M9: 3,741,443 km (0.087 R)
• M10: 4,143,562 km (0.113 R)
• M11: 4,520,698 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.1

Radius: 11

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.96 AU - 1.24 AU

Year: 796 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,856,532 km

• M1: 136,882 km (0.1 R)
• M2: 625,618 km (0.089 R)
• M3: 1,134,101 km (0.091 R)
• M4: 1,544,748 km (0.119 R)
• M5: 1,967,362 km (0.1 R)
• M6: 2,444,429 km (0.029 R)
• M7: 2,808,850 km (0.059 R)
• M8: 3,431,476 km (0.116 R)
• M9: 4,015,955 km (0.08 R)
• M10: 6,477,887 km (0.086 R)
• M11: 6,881,053 km (0.075 R)
• M12: 7,324,910 km (0.057 R)
• M13: 8,089,954 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 12.1

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.93 AU - 2.31 AU

Year: 2131 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,856,532 km

• M1: 151,243 km (0.079 R)
• M2: 678,426 km (0.081 R)
• M3: 1,332,319 km (0.11 R)
• M4: 1,938,040 km (0.053 R)
• M5: 2,366,339 km (0.059 R)
• M6: 2,796,882 km (0.089 R)
• M7: 3,418,012 km (0.067 R)
• M8: 3,913,779 km (0.065 R)
• M9: 4,332,354 km (0.084 R)
• M10: 5,096,799 km (0.053 R)
• M11: 6,209,658 km (0.074 R)
• M12: 7,066,255 km (0.09 R)
• M13: 8,189,735 km (0.115 R)
• M14: 8,677,873 km (0.115 R)
• M15: 10,371,770 km (0.089 R)
• M16: 11,376,469 km (0.106 R)
• M17: 12,067,761 km (0.079 R)
• M18: 13,091,160 km (0.083 R)
• M19: 13,987,401 km (0.116 R)
• M20: 14,450,556 km (0.036 R)
• M21: 15,505,969 km (0.101 R)
• M22: 17,026,930 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 10.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.35 AU - 2.91 AU

Year: 2944 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,856,532 km

• M1: 135,536 km (0.119 R)
• M2: 482,154 km (0.03 R)
• M3: 1,028,934 km (0.102 R)
• M4: 1,590,824 km (0.088 R)
• M5: 1,931,608 km (0.105 R)
• M6: 2,434,556 km (0.066 R)
• M7: 3,124,950 km (0.08 R)
• M8: 3,744,285 km (0.078 R)
• M9: 4,642,770 km (0.102 R)
• M10: 5,653,453 km (0.102 R)
• M11: 7,070,893 km (0.092 R)
• M12: 8,678,023 km (0.074 R)
• M13: 9,640,835 km (0.073 R)
• M14: 10,752,796 km (0.097 R)
• M15: 11,526,366 km (0.117 R)
• M16: 11,905,597 km (0.041 R)
• M17: 12,249,672 km (0.115 R)
• M18: 13,230,136 km (0.099 R)
• M19: 14,946,473 km (0.091 R)
• M20: 16,065,764 km (0.086 R)
• M21: 17,022,443 km (0.104 R)
• M22: 17,625,472 km (0.108 R)
• M23: 19,107,538 km (0.111 R)
• M24: 19,699,048 km (0.073 R)
• M25: 20,794,702 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 10.4

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.31 AU - 4.33 AU

Year: 5154 Days

Day: 8.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,856,532 km

• M1: 130,749 km (0.027 R)
• M2: 570,267 km (0.045 R)
• M3: 1,018,313 km (0.089 R)
• M4: 1,347,578 km (0.08 R)
• M5: 2,278,076 km (0.058 R)
• M6: 2,711,013 km (0.106 R)
• M7: 3,591,396 km (0.068 R)
• M8: 4,301,687 km (0.087 R)
• M9: 4,755,567 km (0.053 R)
• M10: 5,583,142 km (0.078 R)
• M11: 6,536,380 km (0.111 R)
• M12: 7,922,254 km (0.114 R)
• M13: 8,802,937 km (0.108 R)
• M14: 9,747,648 km (0.111 R)
• M15: 12,229,776 km (0.081 R)
• M16: 13,039,698 km (0.039 R)
• M17: 14,156,297 km (0.117 R)
• M18: 14,822,456 km (0.113 R)
• M19: 18,275,175 km (0.102 R)
• M20: 19,740,337 km (0.112 R)
• M21: 20,783,333 km (0.075 R)
• M22: 25,083,075 km (0.113 R)
• M23: 25,976,174 km (0.111 R)
• M24: 27,483,074 km (0.117 R)
• M25: 28,257,991 km (0.04 R)
• M26: 28,782,630 km (0.09 R)
• M27: 29,492,323 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.8

Radius: 10.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.47 AU - 4.39 AU

Year: 5378 Days

Day: 9.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,856,532 km

• M1: 130,150 km (0.027 R)
• M2: 469,887 km (0.094 R)
• M3: 794,365 km (0.097 R)
• M4: 1,872,965 km (0.086 R)
• M5: 2,695,155 km (0.116 R)
• M6: 3,227,574 km (0.052 R)
• M7: 3,829,107 km (0.098 R)
• M8: 5,228,595 km (0.046 R)
• M9: 7,415,566 km (0.074 R)
• M10: 7,945,891 km (0.102 R)
• M11: 8,769,427 km (0.101 R)
• M12: 9,484,655 km (0.083 R)
• M13: 12,640,571 km (0.11 R)
• M14: 13,398,135 km (0.092 R)
• M15: 13,761,957 km (0.111 R)
• M16: 17,585,230 km (0.09 R)
• M17: 21,563,935 km (0.106 R)
• M18: 22,208,402 km (0.068 R)
• M19: 23,535,635 km (0.113 R)
• M20: 24,915,226 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 16,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit