🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 10.2

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.96 AU - 1.3 AU

Year: 764 Days

Day: 6.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,553,475 km

• M1: 127,906 km (0.081 R)
• M2: 445,353 km (0.054 R)
• M3: 823,536 km (0.1 R)
• M4: 1,150,557 km (0.116 R)
• M5: 1,507,498 km (0.086 R)
• M6: 1,956,441 km (0.078 R)
• M7: 2,350,631 km (0.069 R)
• M8: 2,947,377 km (0.077 R)
• M9: 3,301,176 km (0.084 R)
• M10: 3,920,960 km (0.049 R)
• M11: 4,810,918 km (0.062 R)
• M12: 5,811,578 km (0.082 R)
• M13: 6,613,273 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 12.5

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.99 AU - 1.45 AU

Year: 857 Days

Day: 12.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,553,475 km

• M1: 155,432 km (0.1 R)
• M2: 609,462 km (0.086 R)
• M3: 1,142,479 km (0.1 R)
• M4: 1,577,210 km (0.119 R)
• M5: 2,186,373 km (0.032 R)
• M6: 2,745,869 km (0.114 R)
• M7: 3,574,940 km (0.036 R)
• M8: 3,976,311 km (0.047 R)
• M9: 4,424,955 km (0.112 R)
• M10: 5,268,089 km (0.112 R)
• M11: 6,128,875 km (0.11 R)
• M12: 6,593,227 km (0.074 R)
• M13: 8,939,819 km (0.109 R)
• M14: 9,364,827 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 12.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.31 AU - 2.05 AU

Year: 1385 Days

Day: 14.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,553,475 km

• M1: 160,818 km (0.107 R)
• M2: 1,076,057 km (0.118 R)
• M3: 1,688,212 km (0.12 R)
• M4: 2,104,842 km (0.116 R)
• M5: 3,641,661 km (0.089 R)
• M6: 5,829,081 km (0.062 R)
• M7: 6,546,852 km (0.079 R)
• M8: 7,083,758 km (0.076 R)
• M9: 8,392,740 km (0.04 R)
• M10: 11,558,380 km (0.1 R)
• M11: 12,731,377 km (0.117 R)
• M12: 13,692,843 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 12.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.91 AU - 5.23 AU

Year: 6212 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,553,475 km

• M1: 152,440 km (0.089 R)
• M2: 811,568 km (0.064 R)
• M3: 1,634,656 km (0.07 R)
• M4: 2,974,006 km (0.057 R)
• M5: 7,738,847 km (0.114 R)
• M6: 8,284,132 km (0.118 R)
• M7: 8,932,788 km (0.045 R)
• M8: 9,574,114 km (0.106 R)
• M9: 11,038,976 km (0.098 R)
• M10: 11,450,670 km (0.109 R)
• M11: 16,983,248 km (0.04 R)
• M12: 18,925,926 km (0.103 R)

Asteroid Belt

Center: 5.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.4

Radius: 7.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.05 AU - 7.87 AU

Year: 11675 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,553,475 km

• M1: 93,798 km (0.062 R)
• M2: 572,810 km (0.118 R)
• M3: 1,146,817 km (0.041 R)
• M4: 1,446,312 km (0.073 R)
• M5: 1,711,699 km (0.106 R)
• M6: 2,138,651 km (0.06 R)
• M7: 3,161,751 km (0.083 R)
• M8: 3,450,774 km (0.101 R)
• M9: 3,855,137 km (0.089 R)
• M10: 6,650,822 km (0.094 R)
• M11: 7,430,975 km (0.051 R)
• M12: 7,704,141 km (0.075 R)
• M13: 10,280,814 km (0.037 R)
• M14: 11,528,012 km (0.107 R)
• M15: 14,682,133 km (0.08 R)
• M16: 15,425,934 km (0.113 R)
• M17: 20,807,568 km (0.113 R)
• M18: 25,162,661 km (0.105 R)
• M19: 32,934,420 km (0.106 R)
• M20: 35,843,201 km (0.049 R)
• M21: 36,849,696 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.6

Radius: 4.8

Gravity: 40.17 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.24 AU - 7.58 AU

Year: 12825 Days

Day: 25 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,553,475 km

• M1: 63,729 km (0.097 R)
• M2: 356,043 km (0.079 R)
• M3: 606,021 km (0.085 R)
• M4: 790,625 km (0.084 R)
• M5: 956,379 km (0.119 R)
• M6: 1,647,821 km (0.057 R)
• M7: 1,832,873 km (0.097 R)
• M8: 2,050,388 km (0.085 R)
• M9: 2,693,510 km (0.112 R)
• M10: 4,119,626 km (0.099 R)
• M11: 5,419,482 km (0.08 R)
• M12: 5,641,336 km (0.107 R)
• M13: 6,302,708 km (0.063 R)
• M14: 7,639,365 km (0.092 R)
• M15: 8,012,911 km (0.066 R)
• M16: 11,093,430 km (0.113 R)
• M17: 15,760,584 km (0.101 R)
• M18: 25,486,540 km (0.073 R)
• M19: 37,765,384 km (0.101 R)
• M20: 40,787,859 km (0.072 R)
• M21: 54,833,454 km (0.076 R)
• M22: 55,350,165 km (0.053 R)
• M23: 59,058,547 km (0.107 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: 213 - 18,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit