🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 11.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.65 AU - 0.95 AU

Year: 503 Days

Day: 12.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,946,305 km

• M1: 141,819 km (0.072 R)
• M2: 537,356 km (0.095 R)
• M3: 1,323,044 km (0.078 R)
• M4: 2,441,288 km (0.114 R)
• M5: 2,933,165 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 12.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.18 AU - 4.22 AU

Year: 6050 Days

Day: 13.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 37,946,305 km

• M1: 157,975 km (0.098 R)
• M2: 585,077 km (0.054 R)
• M3: 1,745,358 km (0.032 R)
• M4: 2,312,334 km (0.105 R)
• M5: 2,886,042 km (0.06 R)
• M6: 3,663,353 km (0.111 R)
• M7: 4,297,049 km (0.082 R)
• M8: 5,545,144 km (0.082 R)
• M9: 6,680,293 km (0.073 R)
• M10: 7,555,889 km (0.026 R)
• M11: 8,232,520 km (0.089 R)
• M12: 8,665,756 km (0.098 R)
• M13: 9,239,164 km (0.104 R)
• M14: 9,969,352 km (0.102 R)
• M15: 10,416,500 km (0.086 R)
• M16: 11,545,066 km (0.044 R)
• M17: 12,290,662 km (0.069 R)
• M18: 15,539,030 km (0.044 R)
• M19: 18,240,169 km (0.072 R)
• M20: 19,252,049 km (0.102 R)
• M21: 21,832,912 km (0.094 R)
• M22: 22,819,061 km (0.118 R)
• M23: 25,126,010 km (0.12 R)
• M24: 28,200,994 km (0.11 R)
• M25: 30,948,508 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 11.5

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.78 AU - 6.02 AU

Year: 7624 Days

Day: 13.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,946,305 km

• M1: 143,016 km (0.093 R)
• M2: 622,776 km (0.099 R)
• M3: 1,521,410 km (0.028 R)
• M4: 1,966,614 km (0.111 R)
• M5: 2,631,576 km (0.118 R)
• M6: 3,704,642 km (0.068 R)
• M7: 4,549,870 km (0.095 R)
• M8: 5,264,798 km (0.105 R)
• M9: 6,332,777 km (0.079 R)
• M10: 7,620,216 km (0.094 R)
• M11: 8,541,739 km (0.027 R)
• M12: 9,211,489 km (0.095 R)
• M13: 9,964,265 km (0.085 R)
• M14: 10,910,771 km (0.101 R)
• M15: 13,808,183 km (0.096 R)
• M16: 18,987,411 km (0.084 R)
• M17: 28,147,139 km (0.108 R)
• M18: 29,129,697 km (0.086 R)
• M19: 31,580,858 km (0.034 R)
• M20: 37,593,047 km (0.116 R)
• M21: 41,619,773 km (0.059 R)
• M22: 43,152,703 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 9.1

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.44 AU - 6.26 AU

Year: 8698 Days

Day: 11.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,946,305 km

• M1: 113,844 km (0.104 R)
• M2: 461,958 km (0.066 R)
• M3: 908,059 km (0.089 R)
• M4: 1,904,530 km (0.107 R)
• M5: 2,395,361 km (0.069 R)
• M6: 2,733,303 km (0.083 R)
• M7: 3,605,608 km (0.103 R)
• M8: 4,504,392 km (0.059 R)
• M9: 5,545,443 km (0.067 R)
• M10: 7,709,526 km (0.115 R)
• M11: 9,975,336 km (0.077 R)
• M12: 13,374,199 km (0.058 R)
• M13: 14,315,170 km (0.087 R)
• M14: 17,696,979 km (0.065 R)
• M15: 18,295,520 km (0.074 R)
• M16: 19,062,509 km (0.102 R)
• M17: 19,454,006 km (0.117 R)
• M18: 19,850,889 km (0.076 R)
• M19: 23,222,975 km (0.091 R)
• M20: 23,759,732 km (0.057 R)
• M21: 24,122,058 km (0.113 R)
• M22: 24,857,930 km (0.086 R)
• M23: 25,703,607 km (0.104 R)
• M24: 27,452,256 km (0.119 R)
• M25: 30,754,330 km (0.071 R)
• M26: 33,172,281 km (0.072 R)
• M27: 41,052,348 km (0.097 R)
• M28: 44,114,916 km (0.112 R)
• M29: 45,492,712 km (0.086 R)
• M30: 46,051,760 km (0.112 R)
• M31: 46,757,114 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839

Radius: 3.8

Gravity: 58.1 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.94 AU - 6.36 AU

Year: 10721 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,946,305 km

• M1: 47,273 km (0.039 R)
• M2: 235,766 km (0.048 R)
• M3: 947,703 km (0.076 R)
• M4: 2,029,146 km (0.106 R)
• M5: 2,700,391 km (0.108 R)
• M6: 3,015,743 km (0.08 R)
• M7: 6,596,668 km (0.07 R)
• M8: 7,042,170 km (0.072 R)
• M9: 7,992,715 km (0.073 R)
• M10: 8,358,781 km (0.099 R)
• M11: 9,625,426 km (0.096 R)
• M12: 10,357,857 km (0.108 R)
• M13: 10,573,727 km (0.115 R)
• M14: 10,737,686 km (0.079 R)
• M15: 12,471,226 km (0.092 R)
• M16: 13,532,025 km (0.079 R)
• M17: 15,760,285 km (0.12 R)
• M18: 16,849,358 km (0.085 R)
• M19: 17,223,352 km (0.08 R)
• M20: 18,143,230 km (0.067 R)
• M21: 19,914,169 km (0.07 R)
• M22: 20,080,522 km (0.097 R)
• M23: 20,248,072 km (0.107 R)
• M24: 25,517,806 km (0.114 R)
• M25: 25,812,963 km (0.043 R)
• M26: 26,010,881 km (0.06 R)
• M27: 27,424,880 km (0.027 R)
• M28: 27,942,040 km (0.064 R)
• M29: 30,736,827 km (0.081 R)
• M30: 30,959,130 km (0.085 R)
• M31: 31,407,175 km (0.081 R)
• M32: 31,632,769 km (0.03 R)
• M33: 36,873,781 km (0.108 R)
• M34: 39,174,895 km (0.088 R)
• M35: 42,114,942 km (0.053 R)
• M36: 42,941,620 km (0.051 R)
• M37: 48,881,852 km (0.043 R)
• M38: 49,033,096 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119

Radius: 3.6

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.66 AU - 10 AU

Year: 16900 Days

Day: 25 Hours

Environment

Temp: -238 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,946,305 km

• M1: 44,730 km (0.104 R)
• M2: 165,156 km (0.103 R)
• M3: 850,314 km (0.103 R)
• M4: 1,333,815 km (0.059 R)
• M5: 2,190,861 km (0.086 R)
• M6: 2,872,878 km (0.096 R)
• M7: 6,316,321 km (0.039 R)
• M8: 8,775,261 km (0.097 R)
• M9: 10,309,986 km (0.05 R)
• M10: 16,814,352 km (0.049 R)
• M11: 17,013,167 km (0.12 R)
• M12: 20,336,783 km (0.116 R)
• M13: 20,562,527 km (0.037 R)
• M14: 34,104,275 km (0.085 R)
• M15: 36,046,056 km (0.086 R)
• M16: 37,493,266 km (0.036 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: 255 - 18,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit