🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.2

Radius: 9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.77 AU - 0.81 AU

Year: 468 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,590,140 km

• M1: 112,049 km (0.08 R)
• M2: 409,599 km (0.117 R)
• M3: 714,479 km (0.112 R)
• M4: 1,098,048 km (0.118 R)
• M5: 1,381,985 km (0.104 R)
• M6: 1,789,041 km (0.096 R)
• M7: 2,373,071 km (0.107 R)
• M8: 2,877,365 km (0.106 R)
• M9: 3,716,909 km (0.116 R)
• M10: 4,207,141 km (0.078 R)
• M11: 4,624,369 km (0.054 R)
• M12: 5,223,210 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633

Radius: 13.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.9 AU - 0.92 AU

Year: 579 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,590,140 km

• M1: 169,195 km (0.083 R)
• M2: 703,708 km (0.111 R)
• M3: 1,315,863 km (0.062 R)
• M4: 2,067,443 km (0.094 R)
• M5: 2,507,560 km (0.11 R)
• M6: 2,954,259 km (0.111 R)
• M7: 5,599,897 km (0.093 R)
• M8: 6,051,234 km (0.116 R)
• M9: 6,945,829 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.6

Radius: 9.9

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.74 AU - 1.12 AU

Year: 598 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,590,140 km

• M1: 123,119 km (0.104 R)
• M2: 431,291 km (0.061 R)
• M3: 749,336 km (0.101 R)
• M4: 1,124,378 km (0.06 R)
• M5: 1,433,896 km (0.115 R)
• M6: 1,809,685 km (0.107 R)
• M7: 2,241,574 km (0.08 R)
• M8: 2,642,347 km (0.086 R)
• M9: 3,114,927 km (0.119 R)
• M10: 3,589,152 km (0.112 R)
• M11: 4,037,796 km (0.115 R)
• M12: 5,115,948 km (0.092 R)
• M13: 5,703,868 km (0.106 R)
• M14: 6,659,200 km (0.029 R)
• M15: 7,627,247 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 9.6

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.95 AU - 1.17 AU

Year: 728 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,590,140 km

• M1: 120,875 km (0.092 R)
• M2: 484,548 km (0.092 R)
• M3: 804,089 km (0.119 R)
• M4: 1,358,498 km (0.048 R)
• M5: 1,798,316 km (0.086 R)
• M6: 2,311,138 km (0.12 R)
• M7: 2,709,068 km (0.06 R)
• M8: 3,332,592 km (0.095 R)
• M9: 3,657,668 km (0.031 R)
• M10: 4,154,782 km (0.084 R)
• M11: 4,830,665 km (0.11 R)
• M12: 6,177,345 km (0.09 R)
• M13: 6,992,055 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.7

Radius: 11.2

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.94 AU - 2.18 AU

Year: 1972 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,590,140 km

• M1: 139,276 km (0.116 R)
• M2: 631,602 km (0.055 R)
• M3: 992,432 km (0.08 R)
• M4: 1,570,030 km (0.119 R)
• M5: 2,373,819 km (0.097 R)
• M6: 3,085,306 km (0.107 R)
• M7: 3,639,866 km (0.076 R)
• M8: 4,820,343 km (0.11 R)
• M9: 5,253,129 km (0.111 R)
• M10: 7,769,216 km (0.106 R)
• M11: 8,909,152 km (0.094 R)
• M12: 10,096,959 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.8

Radius: 13.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.31 AU - 3.55 AU

Year: 3344 Days

Day: 14.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,590,140 km

• M1: 168,746 km (0.113 R)
• M2: 741,557 km (0.099 R)
• M3: 1,622,688 km (0.049 R)
• M4: 3,152,775 km (0.053 R)
• M5: 3,655,424 km (0.04 R)
• M6: 5,326,731 km (0.06 R)
• M7: 6,112,569 km (0.085 R)
• M8: 6,776,185 km (0.106 R)
• M9: 7,227,821 km (0.1 R)
• M10: 8,053,003 km (0.076 R)
• M11: 9,453,688 km (0.108 R)
• M12: 10,309,986 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.6

Radius: 12.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.77 AU - 3.73 AU

Year: 3907 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 98.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,590,140 km

• M1: 154,834 km (0.098 R)
• M2: 1,400,386 km (0.037 R)
• M3: 2,699,045 km (0.06 R)
• M4: 3,580,027 km (0.096 R)
• M5: 4,761,102 km (0.106 R)
• M6: 5,862,441 km (0.115 R)
• M7: 6,425,079 km (0.102 R)
• M8: 10,591,380 km (0.119 R)
• M9: 11,074,132 km (0.113 R)
• M10: 11,571,545 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.4

Radius: 7.7

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.95 AU - 7.27 AU

Year: 10071 Days

Day: 23.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,590,140 km

• M1: 95,892 km (0.069 R)
• M2: 503,098 km (0.058 R)
• M3: 792,719 km (0.118 R)
• M4: 1,229,994 km (0.096 R)
• M5: 1,470,547 km (0.037 R)
• M6: 1,851,573 km (0.118 R)
• M7: 2,605,845 km (0.065 R)
• M8: 3,500,291 km (0.042 R)
• M9: 4,796,557 km (0.09 R)
• M10: 5,468,700 km (0.105 R)
• M11: 11,866,103 km (0.096 R)
• M12: 13,517,215 km (0.104 R)
• M13: 18,004,403 km (0.092 R)
• M14: 19,069,540 km (0.088 R)
• M15: 22,952,801 km (0.042 R)
• M16: 24,569,805 km (0.106 R)
• M17: 27,037,571 km (0.079 R)
• M18: 32,681,899 km (0.095 R)
• M19: 39,441,030 km (0.113 R)
• M20: 41,103,361 km (0.087 R)
• M21: 41,755,010 km (0.098 R)
• M22: 44,567,001 km (0.088 R)

Asteroid Belt

Center: 8.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.7

Radius: 3.1

Gravity: 88.63 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.19 AU - 10.95 AU

Year: 22916 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 89,590,140 km

• M1: 38,746 km (0.047 R)
• M2: 174,730 km (0.073 R)
• M3: 398,529 km (0.105 R)
• M4: 569,519 km (0.106 R)
• M5: 940,971 km (0.086 R)
• M6: 1,840,652 km (0.089 R)
• M7: 2,360,954 km (0.04 R)
• M8: 2,579,366 km (0.069 R)
• M9: 5,726,906 km (0.092 R)
• M10: 9,042,443 km (0.04 R)
• M11: 9,880,491 km (0.105 R)
• M12: 10,318,364 km (0.117 R)
• M13: 10,509,849 km (0.107 R)
• M14: 16,019,389 km (0.092 R)
• M15: 26,019,109 km (0.074 R)
• M16: 27,825,354 km (0.058 R)
• M17: 30,754,779 km (0.056 R)
• M18: 32,225,625 km (0.076 R)
• M19: 35,162,830 km (0.039 R)
• M20: 39,194,642 km (0.096 R)
• M21: 40,921,750 km (0.07 R)
• M22: 44,527,208 km (0.108 R)
• M23: 62,322,323 km (0.092 R)
• M24: 64,239,570 km (0.104 R)
• M25: 64,455,140 km (0.119 R)
• M26: 73,238,031 km (0.077 R)
• M27: 83,295,945 km (0.066 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: 544 - 16,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit