🌌 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: 224.4

Radius: 11.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.63 AU - 0.99 AU

Year: 503 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,280,818 km

• M1: 144,212 km (0.117 R)
• M2: 557,551 km (0.053 R)
• M3: 972,985 km (0.106 R)
• M4: 1,341,444 km (0.119 R)
• M5: 1,896,602 km (0.111 R)
• M6: 2,277,328 km (0.114 R)
• M7: 2,849,989 km (0.058 R)
• M8: 3,397,068 km (0.086 R)
• M9: 3,941,306 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.2

Radius: 11.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.79 AU - 0.93 AU

Year: 551 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,280,818 km

• M1: 143,016 km (0.068 R)
• M2: 590,164 km (0.118 R)
• M3: 973,583 km (0.067 R)
• M4: 1,428,510 km (0.117 R)
• M5: 2,330,136 km (0.101 R)
• M6: 3,001,980 km (0.078 R)
• M7: 3,489,370 km (0.091 R)
• M8: 3,987,980 km (0.092 R)
• M9: 4,624,369 km (0.027 R)
• M10: 5,277,364 km (0.105 R)
• M11: 5,704,915 km (0.068 R)
• M12: 6,610,730 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 11.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.09 AU - 3.31 AU

Year: 3062 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,280,818 km

• M1: 141,819 km (0.099 R)
• M2: 622,028 km (0.059 R)
• M3: 1,570,179 km (0.053 R)
• M4: 1,946,567 km (0.041 R)
• M5: 2,711,461 km (0.09 R)
• M6: 3,172,672 km (0.105 R)
• M7: 3,666,644 km (0.107 R)
• M8: 4,086,116 km (0.107 R)
• M9: 4,649,801 km (0.082 R)
• M10: 7,071,491 km (0.073 R)
• M11: 8,148,895 km (0.076 R)
• M12: 8,761,947 km (0.093 R)
• M13: 11,193,960 km (0.098 R)
• M14: 14,977,140 km (0.078 R)
• M15: 16,002,335 km (0.084 R)
• M16: 16,371,991 km (0.086 R)
• M17: 17,128,507 km (0.119 R)
• M18: 18,078,155 km (0.089 R)
• M19: 19,778,783 km (0.097 R)
• M20: 20,761,492 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 11.1

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.51 AU - 4.81 AU

Year: 6944 Days

Day: 12.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,280,818 km

• M1: 250,876 km (0.11 R)
• M2: 671,694 km (0.117 R)
• M3: 1,512,883 km (0.108 R)
• M4: 3,563,272 km (0.031 R)
• M5: 4,275,806 km (0.12 R)
• M6: 4,993,128 km (0.08 R)
• M7: 6,809,845 km (0.109 R)
• M8: 8,477,412 km (0.038 R)
• M9: 10,449,860 km (0.089 R)
• M10: 12,277,647 km (0.087 R)
• M11: 13,323,934 km (0.1 R)
• M12: 13,724,109 km (0.101 R)
• M13: 15,846,454 km (0.082 R)
• M14: 17,220,211 km (0.089 R)
• M15: 21,192,483 km (0.114 R)
• M16: 23,349,684 km (0.106 R)
• M17: 25,299,394 km (0.084 R)
• M18: 27,816,826 km (0.062 R)
• M19: 29,520,597 km (0.117 R)
• M20: 32,000,929 km (0.07 R)
• M21: 33,030,911 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.2

Radius: 4.5

Gravity: 34.08 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.11 AU - 6.13 AU

Year: 10451 Days

Day: 15.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,280,818 km

• M1: 56,099 km (0.093 R)
• M2: 433,834 km (0.085 R)
• M3: 1,528,591 km (0.077 R)
• M4: 1,832,424 km (0.115 R)
• M5: 2,898,908 km (0.112 R)
• M6: 3,640,315 km (0.087 R)
• M7: 3,877,427 km (0.09 R)
• M8: 4,295,404 km (0.12 R)
• M9: 4,650,998 km (0.091 R)
• M10: 4,898,732 km (0.097 R)
• M11: 6,234,790 km (0.051 R)
• M12: 7,046,509 km (0.097 R)
• M13: 7,839,527 km (0.072 R)
• M14: 8,279,943 km (0.114 R)
• M15: 9,114,101 km (0.055 R)
• M16: 9,650,708 km (0.075 R)
• M17: 10,520,919 km (0.071 R)
• M18: 10,786,455 km (0.082 R)
• M19: 11,497,943 km (0.107 R)
• M20: 11,893,779 km (0.037 R)
• M21: 15,393,770 km (0.118 R)
• M22: 16,083,417 km (0.076 R)
• M23: 16,223,889 km (0.119 R)
• M24: 17,747,693 km (0.082 R)
• M25: 18,970,955 km (0.1 R)
• M26: 20,086,357 km (0.07 R)
• M27: 23,243,769 km (0.094 R)
• M28: 23,423,287 km (0.079 R)
• M29: 27,310,438 km (0.087 R)
• M30: 28,014,296 km (0.054 R)
• M31: 36,938,257 km (0.06 R)
• M32: 40,330,988 km (0.036 R)
• M33: 44,475,896 km (0.112 R)
• M34: 48,748,860 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719

Radius: 4.1

Gravity: 42.77 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.11 AU - 8.55 AU

Year: 16595 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,280,818 km

• M1: 51,312 km (0.063 R)
• M2: 200,910 km (0.111 R)
• M3: 363,074 km (0.116 R)
• M4: 647,460 km (0.102 R)
• M5: 1,042,099 km (0.079 R)
• M6: 1,501,215 km (0.082 R)
• M7: 1,680,882 km (0.094 R)
• M8: 2,025,106 km (0.076 R)
• M9: 2,436,650 km (0.063 R)
• M10: 3,260,934 km (0.068 R)
• M11: 4,067,267 km (0.087 R)
• M12: 4,417,625 km (0.076 R)
• M13: 5,070,021 km (0.085 R)
• M14: 6,227,011 km (0.081 R)
• M15: 6,955,553 km (0.04 R)
• M16: 8,226,537 km (0.114 R)
• M17: 9,370,511 km (0.098 R)
• M18: 13,226,247 km (0.118 R)
• M19: 13,851,267 km (0.065 R)
• M20: 13,992,786 km (0.1 R)
• M21: 14,495,884 km (0.056 R)
• M22: 15,767,466 km (0.11 R)
• M23: 16,233,463 km (0.094 R)
• M24: 17,438,624 km (0.113 R)
• M25: 19,312,337 km (0.112 R)
• M26: 21,504,694 km (0.044 R)
• M27: 22,077,504 km (0.109 R)
• M28: 24,060,723 km (0.087 R)
• M29: 33,182,603 km (0.05 R)
• M30: 38,782,650 km (0.099 R)
• M31: 39,205,114 km (0.078 R)
• M32: 41,657,621 km (0.111 R)
• M33: 44,057,321 km (0.064 R)
• M34: 44,671,420 km (0.068 R)
• M35: 50,289,568 km (0.066 R)
• M36: 52,662,639 km (0.108 R)
• M37: 52,834,976 km (0.105 R)
• M38: 54,578,838 km (0.113 R)
• M39: 58,180,856 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 19,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit