🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 15

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.54 AU - 0.72 AU

Year: 345 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,815,160 km

• M1: 186,698 km (0.095 R)
• M2: 656,884 km (0.111 R)
• M3: 1,247,497 km (0.094 R)
• M4: 1,804,450 km (0.111 R)
• M5: 2,291,839 km (0.086 R)
• M6: 3,072,441 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.5

Radius: 9.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.57 AU - 0.81 AU

Year: 396 Days

Day: 8.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,815,160 km

• M1: 113,096 km (0.115 R)
• M2: 447,746 km (0.1 R)
• M3: 1,115,851 km (0.109 R)
• M4: 1,724,863 km (0.115 R)
• M5: 2,060,262 km (0.066 R)
• M6: 2,498,284 km (0.08 R)
• M7: 2,939,897 km (0.113 R)
• M8: 3,401,257 km (0.095 R)
• M9: 3,727,680 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 10.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.68 AU - 0.74 AU

Year: 413 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,815,160 km

• M1: 128,056 km (0.119 R)
• M2: 469,588 km (0.098 R)
• M3: 809,474 km (0.116 R)
• M4: 1,240,466 km (0.093 R)
• M5: 1,855,014 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 8.5

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.84 AU - 1 AU

Year: 609 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,815,160 km

• M1: 105,766 km (0.068 R)
• M2: 398,529 km (0.109 R)
• M3: 887,863 km (0.097 R)
• M4: 1,266,795 km (0.079 R)
• M5: 1,592,769 km (0.116 R)
• M6: 1,869,375 km (0.058 R)
• M7: 2,325,499 km (0.108 R)
• M8: 3,031,152 km (0.109 R)
• M9: 3,434,169 km (0.063 R)
• M10: 4,409,846 km (0.078 R)
• M11: 4,729,387 km (0.104 R)
• M12: 5,081,391 km (0.082 R)
• M13: 5,559,805 km (0.092 R)
• M14: 6,343,249 km (0.076 R)
• M15: 6,940,593 km (0.078 R)
• M16: 7,418,259 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.9

Radius: 12.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.5 AU - 1.9 AU

Year: 1530 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,815,160 km

• M1: 151,692 km (0.056 R)
• M2: 864,376 km (0.099 R)
• M3: 1,497,624 km (0.079 R)
• M4: 2,011,194 km (0.04 R)
• M5: 2,589,090 km (0.099 R)
• M6: 3,126,446 km (0.03 R)
• M7: 3,720,798 km (0.096 R)
• M8: 4,674,933 km (0.036 R)
• M9: 5,157,686 km (0.082 R)
• M10: 6,635,114 km (0.106 R)
• M11: 7,620,366 km (0.115 R)
• M12: 8,552,959 km (0.107 R)
• M13: 9,185,010 km (0.1 R)
• M14: 9,880,341 km (0.1 R)
• M15: 10,340,953 km (0.119 R)
• M16: 10,954,154 km (0.058 R)
• M17: 11,340,865 km (0.109 R)
• M18: 12,216,162 km (0.058 R)
• M19: 12,632,044 km (0.078 R)
• M20: 13,333,209 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.7

Radius: 15

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.34 AU - 6.48 AU

Year: 8686 Days

Day: 7.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,815,160 km

• M1: 186,549 km (0.03 R)
• M2: 811,568 km (0.083 R)
• M3: 2,006,257 km (0.086 R)
• M4: 2,498,584 km (0.076 R)
• M5: 3,050,600 km (0.086 R)
• M6: 3,914,378 km (0.053 R)
• M7: 4,635,888 km (0.085 R)
• M8: 5,610,967 km (0.107 R)
• M9: 6,757,037 km (0.099 R)
• M10: 7,426,637 km (0.078 R)
• M11: 7,968,480 km (0.117 R)
• M12: 10,611,575 km (0.112 R)
• M13: 11,246,319 km (0.109 R)
• M14: 12,360,823 km (0.034 R)
• M15: 13,183,911 km (0.084 R)
• M16: 14,359,301 km (0.109 R)
• M17: 15,070,938 km (0.105 R)
• M18: 21,473,129 km (0.096 R)
• M19: 24,530,610 km (0.101 R)
• M20: 26,884,981 km (0.107 R)
• M21: 28,772,308 km (0.059 R)
• M22: 31,388,476 km (0.025 R)
• M23: 32,588,550 km (0.074 R)
• M24: 35,196,041 km (0.052 R)
• M25: 36,016,585 km (0.078 R)
• M26: 43,180,079 km (0.037 R)
• M27: 44,120,451 km (0.117 R)
• M28: 46,882,776 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.6

Radius: 6.3

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.28 AU - 6.72 AU

Year: 11439 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,815,160 km

• M1: 80,035 km (0.063 R)
• M2: 470,336 km (0.118 R)
• M3: 949,348 km (0.109 R)
• M4: 1,236,426 km (0.111 R)
• M5: 1,537,866 km (0.046 R)
• M6: 1,953,299 km (0.051 R)
• M7: 3,120,612 km (0.12 R)
• M8: 3,332,741 km (0.084 R)
• M9: 3,733,963 km (0.066 R)
• M10: 4,000,546 km (0.095 R)
• M11: 4,512,919 km (0.067 R)
• M12: 4,940,769 km (0.09 R)
• M13: 5,164,567 km (0.048 R)
• M14: 5,598,401 km (0.1 R)
• M15: 6,500,775 km (0.102 R)
• M16: 6,769,902 km (0.099 R)
• M17: 7,086,601 km (0.091 R)
• M18: 9,198,773 km (0.111 R)
• M19: 12,328,061 km (0.112 R)
• M20: 12,920,768 km (0.041 R)
• M21: 13,532,175 km (0.111 R)
• M22: 14,355,711 km (0.089 R)
• M23: 16,171,979 km (0.034 R)
• M24: 17,686,507 km (0.087 R)
• M25: 21,753,924 km (0.101 R)
• M26: 22,970,753 km (0.08 R)
• M27: 23,237,187 km (0.047 R)
• M28: 25,444,354 km (0.069 R)
• M29: 26,501,113 km (0.04 R)
• M30: 28,701,997 km (0.111 R)
• M31: 32,338,273 km (0.102 R)
• M32: 37,361,919 km (0.075 R)
• M33: 40,251,252 km (0.111 R)
• M34: 46,187,146 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.3

Radius: 7.7

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.61 AU - 8.91 AU

Year: 13503 Days

Day: 18.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,815,160 km

• M1: 95,743 km (0.118 R)
• M2: 449,542 km (0.084 R)
• M3: 997,668 km (0.093 R)
• M4: 1,296,116 km (0.106 R)
• M5: 1,882,689 km (0.064 R)
• M6: 2,364,394 km (0.117 R)
• M7: 2,678,101 km (0.118 R)
• M8: 3,043,120 km (0.106 R)
• M9: 4,402,665 km (0.076 R)
• M10: 4,716,970 km (0.101 R)
• M11: 6,165,227 km (0.116 R)
• M12: 6,559,119 km (0.116 R)
• M13: 8,543,684 km (0.067 R)
• M14: 10,286,649 km (0.038 R)
• M15: 13,004,692 km (0.046 R)
• M16: 13,719,172 km (0.11 R)
• M17: 16,464,592 km (0.032 R)
• M18: 22,549,635 km (0.113 R)
• M19: 29,207,039 km (0.081 R)
• M20: 32,742,336 km (0.083 R)
• M21: 36,680,650 km (0.109 R)
• M22: 43,305,292 km (0.094 R)
• M23: 48,189,663 km (0.049 R)
• M24: 49,426,837 km (0.092 R)
• M25: 51,803,199 km (0.05 R)
• M26: 56,100,847 km (0.102 R)
• M27: 56,611,574 km (0.115 R)
• M28: 56,953,705 km (0.104 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: 350 - 13,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit