🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.2

Radius: 11.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.63 AU - 0.89 AU

Year: 449 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,809,449 km

• M1: 142,268 km (0.095 R)
• M2: 556,953 km (0.093 R)
• M3: 914,791 km (0.112 R)
• M4: 1,467,555 km (0.107 R)
• M5: 2,235,291 km (0.119 R)
• M6: 2,697,998 km (0.076 R)
• M7: 3,214,858 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 8

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.37 AU - 1.41 AU

Year: 1112 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,809,449 km

• M1: 99,483 km (0.087 R)
• M2: 379,380 km (0.072 R)
• M3: 813,513 km (0.1 R)
• M4: 1,116,000 km (0.044 R)
• M5: 1,471,295 km (0.106 R)
• M6: 3,253,903 km (0.074 R)
• M7: 3,579,129 km (0.045 R)
• M8: 5,618,597 km (0.103 R)
• M9: 6,291,338 km (0.093 R)
• M10: 7,217,648 km (0.086 R)
• M11: 8,158,170 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.8

Radius: 13

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.77 AU - 2.21 AU

Year: 1904 Days

Day: 8.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,809,449 km

• M1: 163,510 km (0.11 R)
• M2: 966,701 km (0.112 R)
• M3: 1,400,535 km (0.059 R)
• M4: 1,949,410 km (0.072 R)
• M5: 2,410,770 km (0.079 R)
• M6: 5,239,815 km (0.078 R)
• M7: 5,766,699 km (0.092 R)
• M8: 6,328,888 km (0.079 R)
• M9: 7,377,718 km (0.077 R)
• M10: 7,895,776 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753

Radius: 14

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.68 AU - 3.04 AU

Year: 3281 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,809,449 km

• M1: 174,581 km (0.077 R)
• M2: 665,112 km (0.102 R)
• M3: 1,506,899 km (0.074 R)
• M4: 3,534,549 km (0.063 R)
• M5: 4,102,572 km (0.06 R)
• M6: 4,568,121 km (0.08 R)
• M7: 6,014,283 km (0.074 R)
• M8: 6,919,500 km (0.101 R)
• M9: 8,568,966 km (0.076 R)
• M10: 9,111,558 km (0.103 R)
• M11: 13,241,356 km (0.094 R)
• M12: 14,467,161 km (0.035 R)
• M13: 15,713,910 km (0.084 R)
• M14: 16,750,773 km (0.104 R)
• M15: 18,007,844 km (0.091 R)
• M16: 20,389,442 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 9.7

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.67 AU - 5.69 AU

Year: 6867 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,809,449 km

• M1: 120,576 km (0.113 R)
• M2: 469,887 km (0.101 R)
• M3: 934,089 km (0.08 R)
• M4: 1,277,566 km (0.114 R)
• M5: 1,665,772 km (0.092 R)
• M6: 2,798,228 km (0.119 R)
• M7: 3,506,275 km (0.115 R)
• M8: 4,898,732 km (0.068 R)
• M9: 6,422,237 km (0.073 R)
• M10: 6,768,406 km (0.087 R)
• M11: 7,536,142 km (0.06 R)
• M12: 8,442,406 km (0.107 R)
• M13: 10,565,499 km (0.11 R)
• M14: 13,022,195 km (0.109 R)
• M15: 13,354,004 km (0.037 R)
• M16: 15,526,015 km (0.096 R)
• M17: 17,054,905 km (0.066 R)
• M18: 21,388,606 km (0.065 R)
• M19: 23,440,341 km (0.067 R)
• M20: 25,276,206 km (0.114 R)
• M21: 26,054,115 km (0.08 R)
• M22: 31,159,142 km (0.091 R)
• M23: 33,685,551 km (0.113 R)
• M24: 34,627,569 km (0.101 R)
• M25: 36,564,113 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 12.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.21 AU - 6.03 AU

Year: 7858 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,809,449 km

• M1: 165,605 km (0.082 R)
• M2: 596,297 km (0.106 R)
• M3: 1,076,506 km (0.102 R)
• M4: 2,635,316 km (0.117 R)
• M5: 3,089,346 km (0.043 R)
• M6: 3,707,783 km (0.102 R)
• M7: 4,255,910 km (0.052 R)
• M8: 4,884,819 km (0.057 R)
• M9: 5,426,064 km (0.062 R)
• M10: 6,134,709 km (0.107 R)
• M11: 7,044,115 km (0.062 R)
• M12: 7,699,054 km (0.091 R)
• M13: 8,314,799 km (0.104 R)
• M14: 10,732,600 km (0.104 R)
• M15: 14,371,568 km (0.095 R)
• M16: 15,486,072 km (0.098 R)
• M17: 17,622,779 km (0.063 R)
• M18: 20,525,277 km (0.111 R)
• M19: 23,413,712 km (0.118 R)
• M20: 24,379,516 km (0.088 R)
• M21: 28,965,140 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.6

Radius: 7.2

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.51 AU - 8.23 AU

Year: 12213 Days

Day: 17.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,809,449 km

• M1: 94,546 km (0.115 R)
• M2: 419,472 km (0.063 R)
• M3: 772,823 km (0.05 R)
• M4: 1,202,916 km (0.114 R)
• M5: 1,581,848 km (0.064 R)
• M6: 1,832,574 km (0.099 R)
• M7: 3,565,366 km (0.037 R)
• M8: 3,888,497 km (0.072 R)
• M9: 5,277,962 km (0.049 R)
• M10: 6,217,138 km (0.053 R)
• M11: 6,970,662 km (0.097 R)
• M12: 7,348,247 km (0.105 R)
• M13: 8,421,911 km (0.035 R)
• M14: 9,343,285 km (0.101 R)
• M15: 9,802,550 km (0.113 R)
• M16: 14,034,375 km (0.117 R)
• M17: 14,568,888 km (0.046 R)
• M18: 14,841,306 km (0.104 R)
• M19: 15,964,786 km (0.095 R)
• M20: 18,301,056 km (0.087 R)
• M21: 19,427,228 km (0.054 R)
• M22: 20,007,219 km (0.089 R)
• M23: 22,990,350 km (0.118 R)
• M24: 23,359,708 km (0.097 R)
• M25: 27,377,158 km (0.085 R)
• M26: 29,169,939 km (0.112 R)
• M27: 29,602,875 km (0.088 R)
• M28: 37,506,879 km (0.098 R)
• M29: 38,405,962 km (0.115 R)
• M30: 39,847,487 km (0.116 R)
• M31: 40,783,521 km (0.083 R)
• M32: 42,421,917 km (0.067 R)
• M33: 44,245,964 km (0.057 R)
• M34: 45,394,127 km (0.089 R)
• M35: 48,200,284 km (0.095 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: 253 - 12,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit