🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 10.1

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.88 AU - 0.96 AU

Year: 588 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,812,495 km

• M1: 125,662 km (0.09 R)
• M2: 456,423 km (0.109 R)
• M3: 938,727 km (0.057 R)
• M4: 1,253,032 km (0.101 R)
• M5: 1,706,762 km (0.095 R)
• M6: 2,121,298 km (0.087 R)
• M7: 2,743,475 km (0.05 R)
• M8: 3,176,711 km (0.083 R)
• M9: 3,702,099 km (0.08 R)
• M10: 4,029,718 km (0.083 R)
• M11: 4,416,428 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.5

Radius: 14.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.01 AU - 1.51 AU

Year: 943 Days

Day: 8.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,812,495 km

• M1: 177,872 km (0.119 R)
• M2: 704,756 km (0.109 R)
• M3: 1,235,978 km (0.116 R)
• M4: 1,778,120 km (0.109 R)
• M5: 2,371,725 km (0.041 R)
• M6: 3,058,379 km (0.105 R)
• M7: 3,845,114 km (0.119 R)
• M8: 4,475,220 km (0.096 R)
• M9: 5,321,795 km (0.084 R)
• M10: 5,883,684 km (0.088 R)
• M11: 6,679,695 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.5

Radius: 9.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.34 AU - 2.96 AU

Year: 2877 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,812,495 km

• M1: 113,096 km (0.08 R)
• M2: 434,582 km (0.049 R)
• M3: 1,280,408 km (0.116 R)
• M4: 1,661,883 km (0.108 R)
• M5: 2,236,339 km (0.107 R)
• M6: 2,995,997 km (0.104 R)
• M7: 4,998,065 km (0.12 R)
• M8: 5,318,354 km (0.098 R)
• M9: 5,675,145 km (0.118 R)
• M10: 6,920,547 km (0.112 R)
• M11: 7,211,515 km (0.048 R)
• M12: 7,538,237 km (0.066 R)
• M13: 8,250,771 km (0.061 R)
• M14: 9,070,119 km (0.106 R)
• M15: 9,613,010 km (0.113 R)
• M16: 12,581,031 km (0.03 R)
• M17: 12,975,521 km (0.114 R)
• M18: 13,914,397 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.2

Radius: 10.8

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.69 AU - 2.99 AU

Year: 3192 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,812,495 km

• M1: 134,937 km (0.071 R)
• M2: 862,881 km (0.034 R)
• M3: 1,307,785 km (0.108 R)
• M4: 2,721,784 km (0.102 R)
• M5: 4,452,332 km (0.109 R)
• M6: 5,015,867 km (0.112 R)
• M7: 6,423,733 km (0.081 R)
• M8: 7,114,576 km (0.086 R)
• M9: 7,633,231 km (0.105 R)
• M10: 8,508,977 km (0.038 R)
• M11: 9,964,864 km (0.09 R)
• M12: 11,957,507 km (0.033 R)
• M13: 12,913,288 km (0.084 R)
• M14: 15,424,588 km (0.11 R)
• M15: 16,874,939 km (0.097 R)
• M16: 17,305,482 km (0.117 R)
• M17: 18,188,708 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 12.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.82 AU - 5.82 AU

Year: 7057 Days

Day: 9.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,812,495 km

• M1: 156,031 km (0.072 R)
• M2: 714,330 km (0.044 R)
• M3: 2,289,895 km (0.069 R)
• M4: 3,090,542 km (0.053 R)
• M5: 5,057,156 km (0.066 R)
• M6: 5,522,555 km (0.06 R)
• M7: 7,399,410 km (0.077 R)
• M8: 9,023,444 km (0.113 R)
• M9: 9,919,386 km (0.066 R)
• M10: 10,476,040 km (0.079 R)
• M11: 14,319,658 km (0.118 R)
• M12: 17,928,557 km (0.088 R)
• M13: 22,759,222 km (0.087 R)
• M14: 23,352,826 km (0.097 R)
• M15: 24,960,106 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.2

Radius: 6.9

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.29 AU - 6.57 AU

Year: 9630 Days

Day: 19.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,812,495 km

• M1: 85,869 km (0.109 R)
• M2: 321,935 km (0.086 R)
• M3: 543,788 km (0.052 R)
• M4: 845,976 km (0.04 R)
• M5: 1,129,913 km (0.114 R)
• M6: 2,111,873 km (0.096 R)
• M7: 4,208,786 km (0.095 R)
• M8: 5,205,408 km (0.107 R)
• M9: 6,652,169 km (0.086 R)
• M10: 7,997,053 km (0.06 R)
• M11: 10,110,422 km (0.108 R)
• M12: 10,678,745 km (0.092 R)
• M13: 11,159,253 km (0.115 R)
• M14: 11,654,273 km (0.069 R)
• M15: 12,747,085 km (0.066 R)
• M16: 13,656,939 km (0.096 R)
• M17: 15,068,545 km (0.08 R)
• M18: 15,946,983 km (0.1 R)
• M19: 16,504,385 km (0.119 R)
• M20: 17,954,288 km (0.116 R)
• M21: 20,366,703 km (0.082 R)
• M22: 22,549,785 km (0.038 R)
• M23: 23,518,730 km (0.109 R)
• M24: 28,477,301 km (0.101 R)
• M25: 31,742,125 km (0.104 R)
• M26: 36,431,869 km (0.096 R)
• M27: 37,276,199 km (0.079 R)
• M28: 39,760,272 km (0.11 R)
• M29: 47,298,808 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.5

Radius: 7.3

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.03 AU - 9.15 AU

Year: 13944 Days

Day: 24.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,812,495 km

• M1: 91,404 km (0.059 R)
• M2: 438,920 km (0.088 R)
• M3: 747,989 km (0.077 R)
• M4: 1,020,856 km (0.099 R)
• M5: 1,431,203 km (0.045 R)
• M6: 2,329,089 km (0.065 R)
• M7: 2,603,302 km (0.109 R)
• M8: 5,790,485 km (0.106 R)
• M9: 6,831,686 km (0.059 R)
• M10: 8,278,297 km (0.085 R)
• M11: 9,073,260 km (0.112 R)
• M12: 9,489,292 km (0.059 R)
• M13: 10,027,246 km (0.085 R)
• M14: 10,699,539 km (0.036 R)
• M15: 10,930,069 km (0.032 R)
• M16: 13,691,048 km (0.042 R)
• M17: 14,588,336 km (0.047 R)
• M18: 15,745,625 km (0.052 R)
• M19: 16,044,222 km (0.102 R)
• M20: 16,652,936 km (0.037 R)
• M21: 21,080,434 km (0.08 R)
• M22: 21,352,254 km (0.092 R)
• M23: 22,275,123 km (0.081 R)
• M24: 22,936,794 km (0.039 R)
• M25: 23,320,812 km (0.116 R)
• M26: 23,806,706 km (0.107 R)
• M27: 26,865,534 km (0.12 R)
• M28: 28,159,106 km (0.092 R)
• M29: 29,044,277 km (0.116 R)
• M30: 30,176,583 km (0.062 R)
• M31: 40,875,075 km (0.115 R)
• M32: 44,340,210 km (0.106 R)
• M33: 45,991,771 km (0.11 R)
• M34: 49,099,218 km (0.088 R)
• M35: 56,946,823 km (0.079 R)
• M36: 58,182,801 km (0.104 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: 273 - 11,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit