🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.69 AU - 0.93 AU

Year: 471 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,460,708 km

• M1: 99,483 km (0.086 R)
• M2: 354,098 km (0.117 R)
• M3: 737,966 km (0.089 R)
• M4: 1,105,827 km (0.107 R)
• M5: 1,400,685 km (0.059 R)
• M6: 1,734,139 km (0.075 R)
• M7: 2,184,578 km (0.075 R)
• M8: 3,024,719 km (0.042 R)
• M9: 3,586,759 km (0.108 R)

Asteroid Belt

Center: 1.15 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.8

Radius: 9.4

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.39 AU - 1.59 AU

Year: 1174 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,460,708 km

• M1: 116,986 km (0.03 R)
• M2: 566,527 km (0.045 R)
• M3: 901,626 km (0.047 R)
• M4: 1,231,639 km (0.108 R)
• M5: 1,548,787 km (0.11 R)
• M6: 1,920,986 km (0.075 R)
• M7: 2,285,706 km (0.094 R)
• M8: 2,861,358 km (0.082 R)
• M9: 3,268,414 km (0.118 R)
• M10: 3,606,206 km (0.097 R)
• M11: 4,098,682 km (0.104 R)
• M12: 4,475,071 km (0.083 R)
• M13: 5,538,113 km (0.119 R)
• M14: 6,305,401 km (0.101 R)
• M15: 6,878,809 km (0.104 R)
• M16: 7,362,160 km (0.034 R)
• M17: 8,050,609 km (0.032 R)
• M18: 8,343,073 km (0.094 R)
• M19: 9,234,677 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.7

Radius: 12.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.28 AU - 2.14 AU

Year: 1444 Days

Day: 10.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,460,708 km

• M1: 156,779 km (0.053 R)
• M2: 586,124 km (0.116 R)
• M3: 1,270,834 km (0.115 R)
• M4: 1,800,859 km (0.114 R)
• M5: 2,326,696 km (0.05 R)
• M6: 2,742,279 km (0.116 R)
• M7: 3,492,811 km (0.061 R)
• M8: 4,169,741 km (0.062 R)
• M9: 4,748,685 km (0.113 R)
• M10: 5,249,838 km (0.074 R)
• M11: 6,236,885 km (0.099 R)
• M12: 6,634,366 km (0.096 R)
• M13: 7,480,642 km (0.109 R)
• M14: 8,914,238 km (0.115 R)
• M15: 9,323,687 km (0.075 R)
• M16: 9,811,825 km (0.083 R)
• M17: 10,248,651 km (0.052 R)
• M18: 11,089,092 km (0.093 R)
• M19: 11,674,767 km (0.085 R)
• M20: 12,435,622 km (0.047 R)
• M21: 13,392,001 km (0.111 R)
• M22: 14,225,860 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.2

Radius: 13.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.79 AU - 2.21 AU

Year: 1826 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,460,708 km

• M1: 172,935 km (0.096 R)
• M2: 633,846 km (0.115 R)
• M3: 1,223,262 km (0.069 R)
• M4: 2,295,879 km (0.109 R)
• M5: 3,213,213 km (0.086 R)
• M6: 6,160,740 km (0.103 R)
• M7: 8,113,291 km (0.025 R)
• M8: 9,260,707 km (0.117 R)
• M9: 10,198,087 km (0.113 R)
• M10: 10,706,121 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.1

Radius: 14.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.28 AU - 5.24 AU

Year: 5677 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,460,708 km

• M1: 185,352 km (0.102 R)
• M2: 711,936 km (0.114 R)
• M3: 1,648,718 km (0.074 R)
• M4: 2,188,018 km (0.094 R)
• M5: 2,932,567 km (0.058 R)
• M6: 3,992,318 km (0.076 R)
• M7: 5,085,580 km (0.117 R)
• M8: 5,675,145 km (0.091 R)
• M9: 6,310,188 km (0.076 R)
• M10: 7,553,047 km (0.087 R)
• M11: 8,037,146 km (0.081 R)
• M12: 8,802,339 km (0.026 R)
• M13: 10,478,882 km (0.091 R)
• M14: 13,682,221 km (0.084 R)
• M15: 15,151,572 km (0.085 R)
• M16: 15,701,045 km (0.079 R)
• M17: 20,522,135 km (0.11 R)
• M18: 21,675,535 km (0.095 R)
• M19: 23,449,765 km (0.117 R)
• M20: 25,165,952 km (0.112 R)
• M21: 25,704,505 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 14.1

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.73 AU - 4.95 AU

Year: 5838 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 17,460,708 km

• M1: 175,927 km (0.086 R)
• M2: 657,034 km (0.035 R)
• M3: 1,562,699 km (0.108 R)
• M4: 2,340,907 km (0.034 R)
• M5: 2,988,517 km (0.057 R)
• M6: 3,959,108 km (0.099 R)
• M7: 4,543,886 km (0.065 R)
• M8: 5,158,284 km (0.108 R)
• M9: 6,295,078 km (0.107 R)
• M10: 6,923,090 km (0.037 R)
• M11: 8,618,333 km (0.119 R)
• M12: 9,268,486 km (0.057 R)
• M13: 9,820,801 km (0.119 R)
• M14: 10,485,165 km (0.082 R)
• M15: 13,394,545 km (0.102 R)
• M16: 13,991,141 km (0.064 R)
• M17: 16,008,618 km (0.041 R)
• M18: 17,435,931 km (0.07 R)
• M19: 18,610,873 km (0.094 R)
• M20: 23,451,710 km (0.09 R)
• M21: 24,001,482 km (0.11 R)
• M22: 27,223,821 km (0.12 R)
• M23: 28,359,268 km (0.111 R)
• M24: 28,804,322 km (0.097 R)
• M25: 31,668,224 km (0.064 R)
• M26: 32,147,236 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 12

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.5 AU - 4.76 AU

Year: 6433 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,460,708 km

• M1: 202,705 km (0.086 R)
• M2: 666,010 km (0.086 R)
• M3: 1,241,812 km (0.101 R)
• M4: 1,736,083 km (0.108 R)
• M5: 2,745,121 km (0.086 R)
• M6: 3,316,435 km (0.082 R)
• M7: 5,226,501 km (0.094 R)
• M8: 8,362,820 km (0.112 R)
• M9: 12,014,355 km (0.078 R)
• M10: 13,491,484 km (0.099 R)
• M11: 15,086,347 km (0.025 R)
• M12: 17,059,094 km (0.075 R)
• M13: 26,251,135 km (0.08 R)
• M14: 26,943,325 km (0.114 R)
• M15: 27,647,631 km (0.087 R)
• M16: 28,818,235 km (0.107 R)
• M17: 30,115,547 km (0.043 R)
• M18: 32,826,410 km (0.1 R)
• M19: 33,731,328 km (0.118 R)
• M20: 34,138,683 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.3

Radius: 7.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.13 AU - 11.21 AU

Year: 17930 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 17,460,708 km

• M1: 93,199 km (0.069 R)
• M2: 2,620,805 km (0.097 R)
• M3: 3,275,894 km (0.105 R)
• M4: 4,152,837 km (0.082 R)
• M5: 4,435,876 km (0.11 R)
• M6: 5,109,066 km (0.054 R)
• M7: 5,602,440 km (0.087 R)
• M8: 6,794,137 km (0.114 R)
• M9: 8,053,003 km (0.078 R)
• M10: 9,153,146 km (0.116 R)
• M11: 12,461,054 km (0.107 R)
• M12: 16,995,964 km (0.074 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 14,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit