🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.1

Radius: 14

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.6 AU - 1.6 AU

Year: 1307 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,448,279 km

• M1: 176,675 km (0.109 R)
• M2: 650,003 km (0.114 R)
• M3: 1,212,042 km (0.079 R)
• M4: 1,824,944 km (0.096 R)
• M5: 2,782,670 km (0.071 R)
• M6: 3,275,595 km (0.093 R)
• M7: 3,758,347 km (0.091 R)
• M8: 4,739,261 km (0.099 R)
• M9: 6,462,778 km (0.115 R)
• M10: 7,078,822 km (0.119 R)
• M11: 7,555,440 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.7

Radius: 10.3

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.97 AU - 1.99 AU

Year: 1799 Days

Day: 14.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,448,279 km

• M1: 129,701 km (0.091 R)
• M2: 739,911 km (0.051 R)
• M3: 1,143,077 km (0.108 R)
• M4: 1,531,882 km (0.058 R)
• M5: 2,126,983 km (0.116 R)
• M6: 2,448,618 km (0.096 R)
• M7: 3,664,549 km (0.106 R)
• M8: 4,027,773 km (0.095 R)
• M9: 5,163,371 km (0.049 R)
• M10: 5,904,778 km (0.044 R)
• M11: 6,985,473 km (0.049 R)
• M12: 8,248,378 km (0.075 R)
• M13: 8,963,755 km (0.074 R)
• M14: 9,442,767 km (0.077 R)
• M15: 9,970,548 km (0.11 R)
• M16: 10,485,016 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.7

Radius: 13.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.96 AU - 3.04 AU

Year: 2552 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,448,279 km

• M1: 166,652 km (0.057 R)
• M2: 634,445 km (0.086 R)
• M3: 1,203,066 km (0.091 R)
• M4: 1,912,609 km (0.115 R)
• M5: 2,345,246 km (0.104 R)
• M6: 3,798,888 km (0.093 R)
• M7: 4,252,469 km (0.094 R)
• M8: 4,763,495 km (0.107 R)
• M9: 6,084,145 km (0.095 R)
• M10: 6,548,497 km (0.095 R)
• M11: 7,008,660 km (0.036 R)
• M12: 7,577,731 km (0.091 R)
• M13: 8,489,230 km (0.114 R)
• M14: 9,643,528 km (0.061 R)
• M15: 10,825,351 km (0.107 R)
• M16: 11,587,402 km (0.039 R)
• M17: 12,755,462 km (0.099 R)
• M18: 15,184,483 km (0.093 R)
• M19: 15,848,997 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909

Radius: 9.5

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.43 AU - 2.97 AU

Year: 2865 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,448,279 km

• M1: 118,182 km (0.099 R)
• M2: 685,009 km (0.052 R)
• M3: 1,053,169 km (0.078 R)
• M4: 1,586,485 km (0.115 R)
• M5: 2,482,277 km (0.079 R)
• M6: 3,989,925 km (0.071 R)
• M7: 4,584,128 km (0.049 R)
• M8: 5,036,661 km (0.053 R)
• M9: 6,814,632 km (0.108 R)
• M10: 10,717,790 km (0.115 R)
• M11: 14,907,129 km (0.1 R)
• M12: 17,562,192 km (0.086 R)
• M13: 18,434,198 km (0.12 R)
• M14: 19,031,542 km (0.107 R)
• M15: 21,879,885 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 11.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.92 AU - 4.3 AU

Year: 5380 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,448,279 km

• M1: 147,952 km (0.105 R)
• M2: 570,117 km (0.089 R)
• M3: 1,306,289 km (0.106 R)
• M4: 1,719,927 km (0.103 R)
• M5: 3,461,994 km (0.088 R)
• M6: 4,010,869 km (0.093 R)
• M7: 4,416,877 km (0.07 R)
• M8: 4,903,070 km (0.116 R)
• M9: 6,230,003 km (0.063 R)
• M10: 6,776,634 km (0.106 R)
• M11: 7,216,302 km (0.072 R)
• M12: 7,710,873 km (0.103 R)
• M13: 8,689,542 km (0.074 R)
• M14: 9,749,293 km (0.104 R)
• M15: 12,723,449 km (0.12 R)
• M16: 15,146,186 km (0.059 R)
• M17: 15,606,947 km (0.074 R)
• M18: 16,017,893 km (0.089 R)
• M19: 17,797,808 km (0.108 R)
• M20: 18,637,202 km (0.031 R)
• M21: 21,457,720 km (0.112 R)
• M22: 24,237,099 km (0.09 R)
• M23: 25,510,326 km (0.117 R)
• M24: 26,660,585 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.7

Radius: 6.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.9 AU - 7.86 AU

Year: 11652 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,448,279 km

• M1: 75,846 km (0.086 R)
• M2: 331,060 km (0.098 R)
• M3: 600,486 km (0.085 R)
• M4: 1,298,510 km (0.074 R)
• M5: 2,236,638 km (0.115 R)
• M6: 2,604,050 km (0.061 R)
• M7: 2,992,406 km (0.059 R)
• M8: 3,259,139 km (0.117 R)
• M9: 3,973,469 km (0.043 R)
• M10: 4,686,303 km (0.078 R)
• M11: 10,107,580 km (0.092 R)
• M12: 11,471,913 km (0.087 R)
• M13: 11,984,136 km (0.112 R)
• M14: 17,362,329 km (0.116 R)
• M15: 17,728,395 km (0.071 R)
• M16: 19,636,217 km (0.111 R)
• M17: 20,234,309 km (0.057 R)
• M18: 20,504,034 km (0.089 R)
• M19: 20,707,786 km (0.118 R)
• M20: 22,894,009 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.4

Radius: 3.7

Gravity: 17.05 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.16 AU - 7.74 AU

Year: 11830 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 37,448,279 km

• M1: 46,226 km (0.043 R)
• M2: 196,422 km (0.109 R)
• M3: 314,904 km (0.087 R)
• M4: 489,335 km (0.109 R)
• M5: 630,405 km (0.089 R)
• M6: 774,019 km (0.098 R)
• M7: 920,924 km (0.036 R)
• M8: 1,439,580 km (0.083 R)
• M9: 2,661,795 km (0.093 R)
• M10: 2,797,331 km (0.051 R)
• M11: 2,917,158 km (0.079 R)
• M12: 3,103,557 km (0.085 R)
• M13: 3,253,903 km (0.058 R)
• M14: 4,260,398 km (0.048 R)
• M15: 4,721,309 km (0.066 R)
• M16: 6,167,471 km (0.093 R)
• M17: 6,302,857 km (0.057 R)
• M18: 7,572,495 km (0.104 R)
• M19: 7,845,361 km (0.075 R)
• M20: 9,003,249 km (0.115 R)
• M21: 9,668,062 km (0.115 R)
• M22: 10,176,096 km (0.113 R)
• M23: 10,946,375 km (0.111 R)
• M24: 11,806,414 km (0.081 R)
• M25: 13,263,796 km (0.091 R)
• M26: 15,449,421 km (0.044 R)
• M27: 15,636,568 km (0.106 R)
• M28: 16,335,489 km (0.098 R)
• M29: 16,594,742 km (0.109 R)
• M30: 16,988,633 km (0.101 R)
• M31: 17,388,808 km (0.116 R)
• M32: 17,523,595 km (0.104 R)
• M33: 19,052,635 km (0.107 R)
• M34: 19,412,268 km (0.111 R)
• M35: 22,293,823 km (0.112 R)
• M36: 22,692,950 km (0.118 R)
• M37: 32,316,730 km (0.115 R)
• M38: 36,447,427 km (0.075 R)
• M39: 36,668,383 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit