🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.9

Radius: 8.4

Gravity: 13.94 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.73 AU - 0.89 AU

Year: 486 Days

Day: 12.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 82.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,420,235 km

• M1: 104,419 km (0.098 R)
• M2: 373,695 km (0.119 R)
• M3: 696,976 km (0.111 R)
• M4: 1,018,761 km (0.094 R)
• M5: 1,398,590 km (0.119 R)
• M6: 1,879,548 km (0.116 R)
• M7: 2,287,800 km (0.116 R)
• M8: 2,765,317 km (0.11 R)
• M9: 3,409,036 km (0.099 R)
• M10: 4,207,889 km (0.036 R)
• M11: 4,860,435 km (0.087 R)
• M12: 5,297,111 km (0.094 R)
• M13: 6,847,843 km (0.09 R)
• M14: 7,182,493 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.7

Radius: 11.1

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.73 AU - 1.17 AU

Year: 617 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,420,235 km

• M1: 138,079 km (0.088 R)
• M2: 664,065 km (0.054 R)
• M3: 1,029,233 km (0.103 R)
• M4: 1,424,471 km (0.104 R)
• M5: 1,887,327 km (0.081 R)
• M6: 2,377,260 km (0.058 R)
• M7: 2,939,449 km (0.089 R)
• M8: 3,768,520 km (0.073 R)
• M9: 4,132,342 km (0.117 R)
• M10: 4,730,584 km (0.091 R)
• M11: 5,137,490 km (0.08 R)
• M12: 5,604,834 km (0.048 R)
• M13: 6,480,729 km (0.108 R)
• M14: 7,005,668 km (0.069 R)
• M15: 7,974,614 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 8.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.94 AU - 2 AU

Year: 1844 Days

Day: 14.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,420,235 km

• M1: 131,796 km (0.086 R)
• M2: 1,233,135 km (0.08 R)
• M3: 2,068,789 km (0.107 R)
• M4: 2,900,404 km (0.049 R)
• M5: 4,894,244 km (0.085 R)
• M6: 5,301,749 km (0.118 R)
• M7: 6,420,142 km (0.084 R)
• M8: 7,232,758 km (0.115 R)
• M9: 8,710,635 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 11.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.82 AU - 2.76 AU

Year: 2311 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,420,235 km

• M1: 147,952 km (0.073 R)
• M2: 551,717 km (0.112 R)
• M3: 946,805 km (0.115 R)
• M4: 1,397,992 km (0.091 R)
• M5: 1,855,313 km (0.101 R)
• M6: 2,564,706 km (0.092 R)
• M7: 4,076,243 km (0.119 R)
• M8: 5,784,501 km (0.029 R)
• M9: 6,484,021 km (0.092 R)
• M10: 7,037,981 km (0.11 R)
• M11: 7,593,139 km (0.115 R)
• M12: 8,020,839 km (0.101 R)
• M13: 9,059,198 km (0.063 R)
• M14: 10,555,327 km (0.117 R)
• M15: 10,934,707 km (0.116 R)
• M16: 12,927,051 km (0.061 R)
• M17: 16,078,181 km (0.115 R)
• M18: 17,671,697 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.6

Radius: 12.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.9 AU - 2.74 AU

Year: 2356 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,420,235 km

• M1: 155,432 km (0.059 R)
• M2: 641,924 km (0.111 R)
• M3: 1,190,649 km (0.103 R)
• M4: 1,640,789 km (0.1 R)
• M5: 2,346,293 km (0.088 R)
• M6: 3,036,687 km (0.095 R)
• M7: 4,009,522 km (0.105 R)
• M8: 4,444,702 km (0.118 R)
• M9: 6,619,407 km (0.051 R)
• M10: 9,634,402 km (0.101 R)
• M11: 10,383,289 km (0.085 R)
• M12: 11,559,427 km (0.069 R)
• M13: 13,162,967 km (0.117 R)
• M14: 14,585,493 km (0.084 R)
• M15: 15,286,658 km (0.054 R)
• M16: 17,112,351 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.6

Radius: 11

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.56 AU - 3.04 AU

Year: 3124 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,420,235 km

• M1: 139,575 km (0.109 R)
• M2: 510,877 km (0.098 R)
• M3: 1,102,536 km (0.091 R)
• M4: 4,100,178 km (0.091 R)
• M5: 5,307,134 km (0.11 R)
• M6: 5,798,114 km (0.118 R)
• M7: 6,370,476 km (0.058 R)
• M8: 7,599,273 km (0.03 R)
• M9: 8,132,888 km (0.118 R)
• M10: 10,341,701 km (0.107 R)
• M11: 11,449,922 km (0.064 R)
• M12: 14,120,543 km (0.099 R)
• M13: 14,565,447 km (0.097 R)
• M14: 15,813,393 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.5

Radius: 10.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.37 AU - 5.01 AU

Year: 5719 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,420,235 km

• M1: 134,638 km (0.096 R)
• M2: 539,001 km (0.095 R)
• M3: 1,500,317 km (0.101 R)
• M4: 2,326,995 km (0.074 R)
• M5: 3,271,257 km (0.058 R)
• M6: 4,355,692 km (0.055 R)
• M7: 4,914,589 km (0.101 R)
• M8: 5,606,928 km (0.103 R)
• M9: 8,844,376 km (0.066 R)
• M10: 9,784,150 km (0.114 R)
• M11: 10,609,631 km (0.08 R)
• M12: 11,016,537 km (0.078 R)
• M13: 12,901,769 km (0.112 R)
• M14: 14,217,931 km (0.115 R)
• M15: 16,748,529 km (0.063 R)
• M16: 17,238,911 km (0.062 R)
• M17: 19,632,925 km (0.037 R)
• M18: 24,596,284 km (0.091 R)
• M19: 26,283,598 km (0.107 R)
• M20: 28,564,816 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.9

Radius: 13.1

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.76 AU - 5.18 AU

Year: 7389 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,420,235 km

• M1: 163,062 km (0.116 R)
• M2: 875,447 km (0.118 R)
• M3: 1,530,536 km (0.1 R)
• M4: 3,149,334 km (0.065 R)
• M5: 3,659,014 km (0.117 R)
• M6: 4,101,375 km (0.114 R)
• M7: 4,658,478 km (0.101 R)
• M8: 5,151,403 km (0.106 R)
• M9: 6,082,649 km (0.118 R)
• M10: 8,397,078 km (0.097 R)
• M11: 9,256,817 km (0.112 R)
• M12: 9,817,809 km (0.068 R)
• M13: 11,588,898 km (0.109 R)
• M14: 15,634,773 km (0.061 R)
• M15: 20,393,331 km (0.07 R)
• M16: 27,510,450 km (0.065 R)
• M17: 28,944,794 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 12.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.72 AU - 5.96 AU

Year: 8229 Days

Day: 5 Hours

Environment

Temp: -228 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,420,235 km

• M1: 183,407 km (0.078 R)
• M2: 883,226 km (0.115 R)
• M3: 1,755,681 km (0.105 R)
• M4: 2,330,585 km (0.109 R)
• M5: 3,028,908 km (0.047 R)
• M6: 3,641,063 km (0.098 R)
• M7: 4,193,079 km (0.112 R)
• M8: 6,271,143 km (0.104 R)
• M9: 7,153,770 km (0.084 R)
• M10: 7,715,959 km (0.054 R)
• M11: 8,180,460 km (0.085 R)
• M12: 9,973,540 km (0.108 R)
• M13: 11,650,682 km (0.062 R)
• M14: 15,605,751 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.3

Radius: 7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.4 AU - 8 AU

Year: 12883 Days

Day: 17.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 41,420,235 km

• M1: 116,238 km (0.105 R)
• M2: 344,524 km (0.048 R)
• M3: 590,014 km (0.056 R)
• M4: 1,259,764 km (0.083 R)
• M5: 1,683,126 km (0.109 R)
• M6: 2,538,825 km (0.105 R)
• M7: 4,629,605 km (0.084 R)
• M8: 4,920,124 km (0.103 R)
• M9: 5,932,453 km (0.097 R)
• M10: 6,559,418 km (0.063 R)
• M11: 7,581,620 km (0.12 R)
• M12: 7,985,983 km (0.051 R)
• M13: 8,619,231 km (0.055 R)
• M14: 9,331,167 km (0.042 R)
• M15: 10,033,529 km (0.092 R)
• M16: 10,720,333 km (0.111 R)
• M17: 11,438,253 km (0.1 R)
• M18: 11,808,807 km (0.117 R)
• M19: 14,447,414 km (0.097 R)
• M20: 14,818,267 km (0.111 R)
• M21: 15,450,318 km (0.092 R)
• M22: 15,773,151 km (0.113 R)
• M23: 17,594,355 km (0.108 R)
• M24: 18,737,283 km (0.074 R)
• M25: 19,626,493 km (0.071 R)
• M26: 21,091,355 km (0.103 R)
• M27: 23,720,837 km (0.113 R)
• M28: 25,650,350 km (0.09 R)
• M29: 31,647,130 km (0.091 R)
• M30: 33,764,539 km (0.081 R)
• M31: 39,708,361 km (0.063 R)
• M32: 40,803,268 km (0.091 R)
• M33: 41,172,775 km (0.089 R)
• M34: 41,420,210 km (0.033 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: 211 - 17,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit