🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.7

Radius: 14

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.67 AU - 2.07 AU

Year: 1626 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,549,545 km

• M1: 178,321 km (0.052 R)
• M2: 782,846 km (0.118 R)
• M3: 1,246,898 km (0.08 R)
• M4: 2,020,319 km (0.046 R)
• M5: 2,709,217 km (0.096 R)
• M6: 3,943,101 km (0.088 R)
• M7: 4,747,189 km (0.066 R)
• M8: 5,188,802 km (0.089 R)
• M9: 6,791,594 km (0.094 R)
• M10: 7,447,580 km (0.064 R)
• M11: 8,966,148 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 8.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.15 AU - 3.33 AU

Year: 2884 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,549,545 km

• M1: 110,553 km (0.115 R)
• M2: 449,691 km (0.108 R)
• M3: 1,022,202 km (0.082 R)
• M4: 1,364,781 km (0.099 R)
• M5: 1,666,520 km (0.108 R)
• M6: 1,948,662 km (0.12 R)
• M7: 2,346,592 km (0.088 R)
• M8: 2,757,388 km (0.114 R)
• M9: 3,740,396 km (0.051 R)
• M10: 4,121,122 km (0.098 R)
• M11: 4,940,470 km (0.112 R)
• M12: 5,617,849 km (0.095 R)
• M13: 5,910,163 km (0.107 R)
• M14: 6,260,072 km (0.072 R)
• M15: 7,500,538 km (0.086 R)
• M16: 8,957,920 km (0.078 R)
• M17: 9,295,563 km (0.065 R)
• M18: 9,705,461 km (0.063 R)
• M19: 11,253,500 km (0.1 R)
• M20: 11,610,740 km (0.095 R)
• M21: 12,310,259 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 12.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.54 AU - 6.26 AU

Year: 7979 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,549,545 km

• M1: 163,810 km (0.074 R)
• M2: 565,181 km (0.112 R)
• M3: 1,001,558 km (0.088 R)
• M4: 1,495,979 km (0.109 R)
• M5: 2,560,667 km (0.111 R)
• M6: 3,039,530 km (0.096 R)
• M7: 3,578,082 km (0.101 R)
• M8: 4,412,688 km (0.043 R)
• M9: 6,366,287 km (0.1 R)
• M10: 7,069,547 km (0.087 R)
• M11: 7,515,947 km (0.106 R)
• M12: 7,941,702 km (0.079 R)
• M13: 9,991,941 km (0.098 R)
• M14: 10,603,347 km (0.092 R)
• M15: 11,643,651 km (0.1 R)
• M16: 13,079,641 km (0.105 R)
• M17: 15,543,668 km (0.089 R)
• M18: 16,559,138 km (0.104 R)
• M19: 21,373,347 km (0.113 R)
• M20: 21,838,447 km (0.097 R)
• M21: 28,144,147 km (0.084 R)
• M22: 31,311,134 km (0.083 R)
• M23: 32,315,833 km (0.097 R)
• M24: 33,031,958 km (0.067 R)
• M25: 35,136,201 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.8

Radius: 8.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.44 AU - 6.7 AU

Year: 8358 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,549,545 km

• M1: 101,876 km (0.108 R)
• M2: 372,050 km (0.061 R)
• M3: 711,338 km (0.111 R)
• M4: 1,491,640 km (0.09 R)
• M5: 1,839,007 km (0.073 R)
• M6: 2,320,263 km (0.085 R)
• M7: 2,644,142 km (0.107 R)
• M8: 4,059,189 km (0.084 R)
• M9: 5,152,450 km (0.047 R)
• M10: 5,676,641 km (0.05 R)
• M11: 6,014,134 km (0.119 R)
• M12: 6,562,111 km (0.113 R)
• M13: 7,609,894 km (0.093 R)
• M14: 9,342,686 km (0.12 R)
• M15: 9,857,602 km (0.098 R)
• M16: 10,391,367 km (0.064 R)
• M17: 11,564,963 km (0.088 R)
• M18: 12,981,654 km (0.072 R)
• M19: 13,406,812 km (0.094 R)
• M20: 13,896,296 km (0.056 R)
• M21: 14,681,236 km (0.073 R)
• M22: 15,853,335 km (0.092 R)
• M23: 16,772,614 km (0.076 R)
• M24: 20,023,226 km (0.047 R)
• M25: 21,833,211 km (0.068 R)
• M26: 25,115,388 km (0.046 R)
• M27: 28,622,860 km (0.111 R)
• M28: 29,252,667 km (0.051 R)
• M29: 29,799,896 km (0.078 R)
• M30: 30,260,956 km (0.087 R)
• M31: 31,292,284 km (0.095 R)
• M32: 31,960,687 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 98

Radius: 6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.51 AU - 9.47 AU

Year: 14360 Days

Day: 16 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,549,545 km

• M1: 83,775 km (0.11 R)
• M2: 373,695 km (0.036 R)
• M3: 743,950 km (0.12 R)
• M4: 934,089 km (0.078 R)
• M5: 1,229,096 km (0.104 R)
• M6: 1,622,688 km (0.104 R)
• M7: 2,036,625 km (0.118 R)
• M8: 4,707,546 km (0.074 R)
• M9: 6,221,925 km (0.073 R)
• M10: 11,565,112 km (0.101 R)
• M11: 14,159,738 km (0.098 R)
• M12: 19,832,639 km (0.073 R)
• M13: 30,128,712 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.4

Radius: 3.1

Gravity: 64.25 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.98 AU - 8.72 AU

Year: 15341 Days

Day: 24.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,549,545 km

• M1: 38,596 km (0.098 R)
• M2: 272,268 km (0.072 R)
• M3: 650,302 km (0.074 R)
• M4: 768,035 km (0.067 R)
• M5: 943,663 km (0.106 R)
• M6: 1,183,918 km (0.096 R)
• M7: 1,784,852 km (0.102 R)
• M8: 3,389,289 km (0.044 R)
• M9: 4,280,593 km (0.119 R)
• M10: 4,830,515 km (0.089 R)
• M11: 7,825,016 km (0.09 R)
• M12: 9,411,052 km (0.088 R)
• M13: 11,139,805 km (0.038 R)
• M14: 14,707,715 km (0.029 R)
• M15: 17,493,825 km (0.088 R)
• M16: 26,005,047 km (0.106 R)
• M17: 26,951,104 km (0.082 R)
• M18: 32,991,716 km (0.062 R)
• M19: 42,126,461 km (0.061 R)
• M20: 45,811,954 km (0.115 R)
• M21: 46,268,228 km (0.106 R)
• M22: 49,546,815 km (0.095 R)
• M23: 51,161,125 km (0.077 R)
• M24: 52,146,227 km (0.097 R)
• M25: 59,760,609 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.4

Radius: 5.7

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 10.42 AU - 11.74 AU

Year: 23450 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,549,545 km

• M1: 80,783 km (0.113 R)
• M2: 289,023 km (0.119 R)
• M3: 526,734 km (0.116 R)
• M4: 894,296 km (0.041 R)
• M5: 1,949,709 km (0.114 R)
• M6: 2,281,816 km (0.107 R)
• M7: 2,531,495 km (0.089 R)
• M8: 2,979,391 km (0.115 R)
• M9: 4,895,142 km (0.119 R)
• M10: 5,468,849 km (0.062 R)
• M11: 5,959,231 km (0.085 R)
• M12: 6,523,215 km (0.115 R)
• M13: 7,121,906 km (0.096 R)
• M14: 7,410,331 km (0.119 R)
• M15: 7,908,342 km (0.077 R)
• M16: 8,642,718 km (0.085 R)
• M17: 9,652,354 km (0.079 R)
• M18: 10,800,966 km (0.069 R)
• M19: 15,259,432 km (0.119 R)
• M20: 16,146,397 km (0.101 R)
• M21: 31,372,169 km (0.063 R)
• M22: 34,276,014 km (0.109 R)
• M23: 39,855,266 km (0.055 R)
• M24: 41,377,425 km (0.083 R)
• M25: 49,226,077 km (0.102 R)
• M26: 50,623,770 km (0.084 R)
• M27: 52,588,439 km (0.107 R)
• M28: 59,963,763 km (0.12 R)
• M29: 60,956,345 km (0.046 R)
• M30: 72,161,076 km (0.065 R)
• M31: 74,875,529 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit