🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 8.4

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.57 AU - 0.71 AU

Year: 341 Days

Day: 10.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,069,560 km

• M1: 104,419 km (0.078 R)
• M2: 419,772 km (0.118 R)
• M3: 1,285,345 km (0.092 R)
• M4: 1,768,995 km (0.073 R)
• M5: 2,436,201 km (0.086 R)
• M6: 2,980,588 km (0.115 R)
• M7: 4,187,394 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 8.6

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.62 AU - 0.74 AU

Year: 374 Days

Day: 10.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,069,560 km

• M1: 107,112 km (0.052 R)
• M2: 524,490 km (0.082 R)
• M3: 844,330 km (0.077 R)
• M4: 1,178,682 km (0.118 R)
• M5: 1,476,082 km (0.115 R)
• M6: 2,218,237 km (0.114 R)
• M7: 2,781,024 km (0.085 R)
• M8: 3,718,105 km (0.097 R)
• M9: 4,368,407 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 10.3

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.26 AU - 1.78 AU

Year: 1250 Days

Day: 6.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,069,560 km

• M1: 128,205 km (0.113 R)
• M2: 521,349 km (0.086 R)
• M3: 1,210,247 km (0.098 R)
• M4: 1,696,440 km (0.07 R)
• M5: 2,570,989 km (0.109 R)
• M6: 3,382,707 km (0.118 R)
• M7: 4,013,112 km (0.049 R)
• M8: 4,680,917 km (0.117 R)
• M9: 5,421,277 km (0.099 R)
• M10: 5,752,038 km (0.108 R)
• M11: 6,429,866 km (0.095 R)
• M12: 7,082,262 km (0.076 R)
• M13: 7,613,484 km (0.097 R)
• M14: 8,936,678 km (0.105 R)
• M15: 9,305,885 km (0.058 R)
• M16: 10,206,913 km (0.086 R)
• M17: 11,165,087 km (0.12 R)
• M18: 12,182,203 km (0.116 R)
• M19: 12,636,532 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.2

Radius: 9

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.77 AU - 2.59 AU

Year: 2146 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,069,560 km

• M1: 119,977 km (0.036 R)
• M2: 406,607 km (0.111 R)
• M3: 756,367 km (0.093 R)
• M4: 1,079,349 km (0.037 R)
• M5: 1,495,530 km (0.114 R)
• M6: 1,910,365 km (0.086 R)
• M7: 2,306,799 km (0.1 R)
• M8: 2,910,277 km (0.081 R)
• M9: 3,597,380 km (0.114 R)
• M10: 4,306,624 km (0.077 R)
• M11: 5,198,077 km (0.091 R)
• M12: 5,505,052 km (0.099 R)
• M13: 6,580,661 km (0.034 R)
• M14: 8,068,262 km (0.097 R)
• M15: 9,075,205 km (0.083 R)
• M16: 9,452,042 km (0.063 R)
• M17: 10,834,476 km (0.058 R)
• M18: 11,258,736 km (0.114 R)
• M19: 11,774,400 km (0.092 R)
• M20: 12,682,758 km (0.118 R)
• M21: 14,872,871 km (0.075 R)
• M22: 15,445,382 km (0.038 R)
• M23: 16,482,693 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.1

Radius: 14.7

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.31 AU - 2.49 AU

Year: 2479 Days

Day: 8.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,069,560 km

• M1: 182,809 km (0.092 R)
• M2: 671,694 km (0.071 R)
• M3: 2,012,540 km (0.089 R)
• M4: 3,157,562 km (0.118 R)
• M5: 3,885,356 km (0.104 R)
• M6: 5,277,065 km (0.039 R)
• M7: 6,979,937 km (0.091 R)
• M8: 7,973,267 km (0.094 R)
• M9: 8,992,328 km (0.119 R)
• M10: 9,533,573 km (0.102 R)
• M11: 10,025,002 km (0.101 R)
• M12: 10,756,536 km (0.064 R)
• M13: 11,406,090 km (0.119 R)
• M14: 11,920,258 km (0.11 R)
• M15: 13,644,672 km (0.079 R)
• M16: 15,530,054 km (0.069 R)
• M17: 16,113,486 km (0.057 R)
• M18: 17,220,959 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.5

Radius: 8.2

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.66 AU - 3.8 AU

Year: 3871 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,069,560 km

• M1: 107,561 km (0.095 R)
• M2: 717,771 km (0.079 R)
• M3: 1,276,519 km (0.115 R)
• M4: 1,561,652 km (0.041 R)
• M5: 2,099,457 km (0.104 R)
• M6: 2,737,791 km (0.101 R)
• M7: 3,377,022 km (0.04 R)
• M8: 3,797,243 km (0.051 R)
• M9: 4,299,592 km (0.063 R)
• M10: 4,819,595 km (0.111 R)
• M11: 5,298,009 km (0.113 R)
• M12: 6,794,586 km (0.102 R)
• M13: 7,192,067 km (0.106 R)
• M14: 9,336,104 km (0.118 R)
• M15: 11,042,118 km (0.112 R)
• M16: 13,403,221 km (0.107 R)
• M17: 16,491,370 km (0.048 R)
• M18: 19,956,805 km (0.103 R)
• M19: 21,823,487 km (0.104 R)
• M20: 23,353,724 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.7

Radius: 12.1

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.02 AU - 6.66 AU

Year: 8229 Days

Day: 10.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,069,560 km

• M1: 150,795 km (0.104 R)
• M2: 960,718 km (0.101 R)
• M3: 1,643,183 km (0.028 R)
• M4: 2,201,931 km (0.076 R)
• M5: 2,884,995 km (0.027 R)
• M6: 3,332,741 km (0.072 R)
• M7: 4,369,754 km (0.083 R)
• M8: 5,675,294 km (0.104 R)
• M9: 10,840,161 km (0.101 R)
• M10: 12,092,445 km (0.045 R)
• M11: 13,323,037 km (0.109 R)
• M12: 17,865,576 km (0.079 R)
• M13: 20,138,566 km (0.075 R)
• M14: 32,203,335 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.6

Radius: 5.9

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.23 AU - 8.95 AU

Year: 13944 Days

Day: 18.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,069,560 km

• M1: 78,539 km (0.059 R)
• M2: 262,245 km (0.091 R)
• M3: 1,243,458 km (0.079 R)
• M4: 1,542,354 km (0.08 R)
• M5: 2,265,959 km (0.069 R)
• M6: 2,631,875 km (0.085 R)
• M7: 3,036,238 km (0.104 R)
• M8: 4,768,133 km (0.079 R)
• M9: 5,983,167 km (0.059 R)
• M10: 6,681,340 km (0.116 R)
• M11: 9,627,521 km (0.069 R)
• M12: 11,382,603 km (0.096 R)
• M13: 11,824,664 km (0.057 R)
• M14: 12,625,611 km (0.105 R)
• M15: 14,081,947 km (0.114 R)
• M16: 14,591,178 km (0.091 R)
• M17: 16,471,025 km (0.049 R)
• M18: 17,541,547 km (0.081 R)
• M19: 22,119,092 km (0.107 R)
• M20: 23,509,305 km (0.054 R)
• M21: 30,595,607 km (0.08 R)
• M22: 34,333,609 km (0.119 R)
• M23: 34,562,494 km (0.049 R)
• M24: 36,907,889 km (0.045 R)
• M25: 40,877,917 km (0.081 R)
• M26: 44,577,174 km (0.045 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 19,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit