🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 8.8

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.84 AU - 0.86 AU

Year: 523 Days

Day: 6.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,602,116 km

• M1: 109,506 km (0.103 R)
• M2: 399,576 km (0.075 R)
• M3: 768,783 km (0.07 R)
• M4: 1,123,630 km (0.077 R)
• M5: 1,405,771 km (0.08 R)
• M6: 1,877,154 km (0.067 R)
• M7: 2,221,977 km (0.101 R)
• M8: 2,773,844 km (0.1 R)
• M9: 3,261,084 km (0.073 R)
• M10: 3,903,008 km (0.086 R)
• M11: 4,376,037 km (0.116 R)
• M12: 5,037,559 km (0.108 R)
• M13: 6,240,475 km (0.092 R)
• M14: 6,558,819 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 12.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.35 AU - 1.71 AU

Year: 1262 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,602,116 km

• M1: 151,842 km (0.049 R)
• M2: 640,578 km (0.064 R)
• M3: 1,211,444 km (0.112 R)
• M4: 1,651,411 km (0.056 R)
• M5: 2,067,293 km (0.052 R)
• M6: 2,642,198 km (0.086 R)
• M7: 4,063,078 km (0.114 R)
• M8: 4,547,775 km (0.053 R)
• M9: 5,699,080 km (0.108 R)
• M10: 6,215,343 km (0.117 R)
• M11: 7,316,084 km (0.063 R)
• M12: 9,010,280 km (0.086 R)
• M13: 9,681,226 km (0.069 R)
• M14: 10,952,359 km (0.091 R)
• M15: 12,076,139 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.5

Radius: 14.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.76 AU - 2.02 AU

Year: 1733 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,602,116 km

• M1: 185,352 km (0.095 R)
• M2: 918,082 km (0.084 R)
• M3: 2,075,670 km (0.105 R)
• M4: 2,589,838 km (0.091 R)
• M5: 3,301,176 km (0.083 R)
• M6: 4,530,572 km (0.092 R)
• M7: 5,363,383 km (0.088 R)
• M8: 6,096,412 km (0.089 R)
• M9: 7,140,456 km (0.098 R)
• M10: 8,209,482 km (0.09 R)
• M11: 8,830,314 km (0.096 R)
• M12: 10,166,821 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 11.8

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.64 AU - 2.2 AU

Year: 1774 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,602,116 km

• M1: 146,756 km (0.098 R)
• M2: 623,973 km (0.11 R)
• M3: 1,000,211 km (0.095 R)
• M4: 1,715,439 km (0.095 R)
• M5: 2,157,500 km (0.095 R)
• M6: 2,604,798 km (0.112 R)
• M7: 3,145,894 km (0.104 R)
• M8: 4,876,741 km (0.035 R)
• M9: 5,347,825 km (0.091 R)
• M10: 5,800,209 km (0.114 R)
• M11: 6,175,400 km (0.103 R)
• M12: 7,114,426 km (0.091 R)
• M13: 7,811,552 km (0.12 R)
• M14: 8,238,953 km (0.051 R)
• M15: 8,746,688 km (0.096 R)
• M16: 9,719,972 km (0.069 R)
• M17: 10,876,214 km (0.094 R)
• M18: 11,604,905 km (0.085 R)
• M19: 12,122,065 km (0.081 R)
• M20: 12,489,029 km (0.118 R)
• M21: 14,300,958 km (0.058 R)
• M22: 15,035,334 km (0.111 R)
• M23: 16,981,303 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.2

Radius: 10.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.88 AU - 4.56 AU

Year: 5781 Days

Day: 14.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,602,116 km

• M1: 125,662 km (0.034 R)
• M2: 845,228 km (0.084 R)
• M3: 1,554,172 km (0.098 R)
• M4: 2,328,640 km (0.039 R)
• M5: 3,803,675 km (0.113 R)
• M6: 4,142,664 km (0.082 R)
• M7: 4,934,037 km (0.093 R)
• M8: 6,815,529 km (0.073 R)
• M9: 7,352,287 km (0.114 R)
• M10: 8,062,727 km (0.115 R)
• M11: 8,779,301 km (0.098 R)
• M12: 9,702,768 km (0.094 R)
• M13: 10,382,541 km (0.07 R)
• M14: 11,461,441 km (0.116 R)
• M15: 13,064,681 km (0.109 R)
• M16: 13,893,603 km (0.1 R)
• M17: 14,267,149 km (0.047 R)
• M18: 14,867,784 km (0.117 R)
• M19: 15,944,590 km (0.045 R)
• M20: 18,766,305 km (0.066 R)
• M21: 19,157,354 km (0.117 R)
• M22: 20,915,129 km (0.104 R)
• M23: 22,999,775 km (0.088 R)
• M24: 28,424,343 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.7

Radius: 5

Gravity: 21.39 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.58 AU - 6.16 AU

Year: 9484 Days

Day: 18.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,602,116 km

• M1: 62,831 km (0.077 R)
• M2: 282,441 km (0.105 R)
• M3: 827,276 km (0.101 R)
• M4: 1,404,574 km (0.071 R)
• M5: 1,647,222 km (0.079 R)
• M6: 1,855,014 km (0.032 R)
• M7: 2,199,537 km (0.076 R)
• M8: 2,396,408 km (0.112 R)
• M9: 3,236,400 km (0.088 R)
• M10: 3,468,127 km (0.094 R)
• M11: 4,766,787 km (0.06 R)
• M12: 5,159,481 km (0.091 R)
• M13: 6,359,555 km (0.061 R)
• M14: 16,206,237 km (0.116 R)
• M15: 19,256,986 km (0.095 R)
• M16: 19,558,874 km (0.079 R)
• M17: 21,275,809 km (0.106 R)
• M18: 24,473,912 km (0.109 R)
• M19: 27,690,267 km (0.11 R)
• M20: 28,074,883 km (0.117 R)
• M21: 34,722,863 km (0.084 R)
• M22: 37,464,094 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 11,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit