🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 12.8

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 257 Days

Day: 12.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,623,163 km

• M1: 159,172 km (0.075 R)
• M2: 575,204 km (0.09 R)
• M3: 992,432 km (0.056 R)
• M4: 1,516,623 km (0.094 R)
• M5: 2,062,655 km (0.085 R)
• M6: 2,487,513 km (0.111 R)
• M7: 2,900,852 km (0.095 R)
• M8: 3,399,312 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 13.6

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.1 AU - 1.5 AU

Year: 988 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,623,163 km

• M1: 169,195 km (0.102 R)
• M2: 592,258 km (0.078 R)
• M3: 1,240,017 km (0.08 R)
• M4: 2,343,151 km (0.067 R)
• M5: 3,124,950 km (0.088 R)
• M6: 3,613,537 km (0.032 R)
• M7: 4,589,363 km (0.067 R)
• M8: 5,041,299 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.3

Radius: 8.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.16 AU - 1.66 AU

Year: 1116 Days

Day: 5.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,623,163 km

• M1: 105,466 km (0.079 R)
• M2: 370,105 km (0.06 R)
• M3: 647,759 km (0.067 R)
• M4: 1,116,150 km (0.067 R)
• M5: 1,400,535 km (0.084 R)
• M6: 1,821,055 km (0.114 R)
• M7: 2,362,450 km (0.087 R)
• M8: 3,064,812 km (0.12 R)
• M9: 3,684,147 km (0.107 R)
• M10: 4,080,282 km (0.061 R)
• M11: 4,813,910 km (0.048 R)
• M12: 5,810,680 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 9

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.86 AU - 6.04 AU

Year: 8484 Days

Day: 8.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,623,163 km

• M1: 112,198 km (0.059 R)
• M2: 429,196 km (0.118 R)
• M3: 790,924 km (0.114 R)
• M4: 1,488,349 km (0.088 R)
• M5: 1,919,490 km (0.044 R)
• M6: 2,300,815 km (0.102 R)
• M7: 3,124,501 km (0.079 R)
• M8: 4,077,739 km (0.09 R)
• M9: 4,532,666 km (0.114 R)
• M10: 5,377,146 km (0.118 R)
• M11: 6,434,354 km (0.095 R)
• M12: 7,793,600 km (0.035 R)
• M13: 8,495,364 km (0.07 R)
• M14: 9,191,144 km (0.107 R)
• M15: 12,474,966 km (0.112 R)
• M16: 18,599,204 km (0.098 R)
• M17: 28,355,528 km (0.068 R)
• M18: 29,382,368 km (0.102 R)
• M19: 35,832,879 km (0.103 R)
• M20: 36,429,625 km (0.064 R)
• M21: 39,894,012 km (0.073 R)
• M22: 45,354,185 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.8

Radius: 5.8

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.29 AU - 6.79 AU

Year: 9899 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 39,623,163 km

• M1: 72,106 km (0.113 R)
• M2: 321,037 km (0.066 R)
• M3: 510,578 km (0.057 R)
• M4: 944,860 km (0.088 R)
• M5: 1,236,127 km (0.108 R)
• M6: 1,479,523 km (0.069 R)
• M7: 1,697,038 km (0.108 R)
• M8: 1,904,979 km (0.045 R)
• M9: 2,408,376 km (0.095 R)
• M10: 2,996,595 km (0.081 R)
• M11: 3,724,688 km (0.076 R)
• M12: 4,209,534 km (0.081 R)
• M13: 5,334,959 km (0.091 R)
• M14: 5,524,500 km (0.111 R)
• M15: 6,793,987 km (0.098 R)
• M16: 7,398,961 km (0.119 R)
• M17: 7,714,613 km (0.036 R)
• M18: 8,080,379 km (0.034 R)
• M19: 11,857,576 km (0.054 R)
• M20: 12,621,124 km (0.096 R)
• M21: 14,367,080 km (0.085 R)
• M22: 15,488,616 km (0.034 R)
• M23: 17,554,861 km (0.055 R)
• M24: 22,552,328 km (0.07 R)
• M25: 23,299,719 km (0.106 R)
• M26: 26,822,300 km (0.084 R)
• M27: 28,806,566 km (0.087 R)
• M28: 30,988,002 km (0.104 R)
• M29: 31,293,780 km (0.069 R)
• M30: 31,911,320 km (0.105 R)
• M31: 33,277,149 km (0.052 R)
• M32: 33,705,148 km (0.093 R)
• M33: 36,125,043 km (0.086 R)
• M34: 36,690,673 km (0.073 R)
• M35: 39,727,809 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.7

Radius: 3.8

Gravity: 35.37 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.58 AU - 8.34 AU

Year: 12245 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,623,163 km

• M1: 48,769 km (0.104 R)
• M2: 214,972 km (0.093 R)
• M3: 514,168 km (0.071 R)
• M4: 842,535 km (0.085 R)
• M5: 1,865,934 km (0.097 R)
• M6: 2,289,595 km (0.094 R)
• M7: 2,483,923 km (0.089 R)
• M8: 3,422,650 km (0.051 R)
• M9: 3,702,996 km (0.066 R)
• M10: 5,011,977 km (0.102 R)
• M11: 5,752,188 km (0.043 R)
• M12: 6,111,671 km (0.102 R)
• M13: 8,497,458 km (0.104 R)
• M14: 10,254,186 km (0.087 R)
• M15: 13,383,175 km (0.113 R)
• M16: 13,570,023 km (0.059 R)
• M17: 13,949,104 km (0.054 R)
• M18: 14,994,643 km (0.095 R)
• M19: 16,373,637 km (0.089 R)
• M20: 16,875,537 km (0.115 R)
• M21: 18,674,452 km (0.079 R)
• M22: 19,700,244 km (0.108 R)
• M23: 23,996,396 km (0.102 R)
• M24: 29,084,818 km (0.104 R)
• M25: 35,676,848 km (0.061 R)
• M26: 38,369,311 km (0.102 R)
• M27: 39,253,733 km (0.081 R)
• M28: 42,388,706 km (0.061 R)
• M29: 46,252,520 km (0.081 R)
• M30: 48,709,216 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199

Radius: 5.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.44 AU - 8.74 AU

Year: 13944 Days

Day: 16.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,623,163 km

• M1: 67,169 km (0.097 R)
• M2: 268,379 km (0.1 R)
• M3: 561,142 km (0.085 R)
• M4: 1,200,523 km (0.085 R)
• M5: 1,400,086 km (0.084 R)
• M6: 1,807,142 km (0.086 R)
• M7: 2,377,709 km (0.063 R)
• M8: 2,617,813 km (0.117 R)
• M9: 3,190,175 km (0.117 R)
• M10: 3,552,949 km (0.046 R)
• M11: 3,768,670 km (0.05 R)
• M12: 4,306,474 km (0.111 R)
• M13: 4,778,156 km (0.084 R)
• M14: 5,345,282 km (0.059 R)
• M15: 6,400,246 km (0.055 R)
• M16: 6,866,093 km (0.093 R)
• M17: 8,870,107 km (0.085 R)
• M18: 12,232,468 km (0.081 R)
• M19: 17,158,577 km (0.106 R)
• M20: 18,910,816 km (0.117 R)
• M21: 20,017,541 km (0.111 R)
• M22: 21,956,928 km (0.119 R)
• M23: 26,294,967 km (0.089 R)
• M24: 30,369,415 km (0.09 R)
• M25: 30,868,922 km (0.07 R)
• M26: 32,193,163 km (0.097 R)
• M27: 33,874,493 km (0.096 R)
• M28: 35,173,302 km (0.091 R)
• M29: 35,945,975 km (0.041 R)
• M30: 36,168,876 km (0.102 R)
• M31: 36,504,872 km (0.058 R)
• M32: 37,183,149 km (0.105 R)
• M33: 37,525,429 km (0.051 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 15,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit