🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.3

Radius: 8.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.06 AU - 1.36 AU

Year: 888 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,938,670 km

• M1: 109,506 km (0.09 R)
• M2: 753,973 km (0.112 R)
• M3: 1,128,118 km (0.079 R)
• M4: 1,451,399 km (0.11 R)
• M5: 1,756,129 km (0.112 R)
• M6: 2,067,742 km (0.098 R)
• M7: 2,507,111 km (0.097 R)
• M8: 2,904,891 km (0.03 R)
• M9: 3,854,838 km (0.105 R)
• M10: 4,267,429 km (0.065 R)
• M11: 4,965,901 km (0.074 R)
• M12: 5,420,380 km (0.099 R)
• M13: 5,738,724 km (0.037 R)
• M14: 6,789,200 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.5

Radius: 11

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.44 AU - 1.82 AU

Year: 1388 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,938,670 km

• M1: 138,378 km (0.063 R)
• M2: 625,170 km (0.094 R)
• M3: 1,046,437 km (0.079 R)
• M4: 1,516,324 km (0.116 R)
• M5: 2,057,719 km (0.086 R)
• M6: 2,891,428 km (0.094 R)
• M7: 3,245,975 km (0.051 R)
• M8: 3,715,712 km (0.073 R)
• M9: 5,146,017 km (0.069 R)
• M10: 7,483,185 km (0.102 R)
• M11: 8,897,633 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 11.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.1 AU - 5.34 AU

Year: 6838 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,938,670 km

• M1: 146,756 km (0.103 R)
• M2: 596,596 km (0.119 R)
• M3: 999,763 km (0.117 R)
• M4: 1,385,575 km (0.078 R)
• M5: 1,886,579 km (0.064 R)
• M6: 3,006,468 km (0.072 R)
• M7: 3,614,584 km (0.085 R)
• M8: 4,041,087 km (0.108 R)
• M9: 4,602,378 km (0.076 R)
• M10: 5,761,912 km (0.042 R)
• M11: 6,314,975 km (0.069 R)
• M12: 7,563,220 km (0.096 R)
• M13: 8,495,364 km (0.096 R)
• M14: 10,768,952 km (0.11 R)
• M15: 11,137,262 km (0.044 R)
• M16: 13,956,883 km (0.115 R)
• M17: 14,730,154 km (0.079 R)
• M18: 17,409,751 km (0.108 R)
• M19: 17,790,179 km (0.099 R)
• M20: 19,570,842 km (0.096 R)
• M21: 20,609,949 km (0.109 R)
• M22: 21,831,565 km (0.114 R)
• M23: 24,182,945 km (0.119 R)
• M24: 27,374,765 km (0.049 R)
• M25: 28,410,730 km (0.114 R)
• M26: 30,745,055 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 13.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.26 AU - 5.24 AU

Year: 6904 Days

Day: 9.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,938,670 km

• M1: 170,392 km (0.056 R)
• M2: 682,316 km (0.06 R)
• M3: 1,207,255 km (0.071 R)
• M4: 1,991,297 km (0.103 R)
• M5: 2,604,649 km (0.11 R)
• M6: 3,738,301 km (0.103 R)
• M7: 5,008,238 km (0.12 R)
• M8: 6,024,905 km (0.077 R)
• M9: 6,996,842 km (0.068 R)
• M10: 8,227,434 km (0.116 R)
• M11: 10,970,760 km (0.05 R)
• M12: 16,310,057 km (0.071 R)
• M13: 17,527,934 km (0.111 R)
• M14: 21,471,034 km (0.116 R)
• M15: 22,620,096 km (0.092 R)
• M16: 25,040,739 km (0.117 R)
• M17: 25,884,770 km (0.034 R)
• M18: 27,987,667 km (0.108 R)
• M19: 30,582,293 km (0.114 R)
• M20: 31,741,975 km (0.107 R)
• M21: 32,233,704 km (0.1 R)
• M22: 33,536,103 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 13.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.27 AU - 6.43 AU

Year: 8252 Days

Day: 15 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,938,670 km

• M1: 172,935 km (0.111 R)
• M2: 677,379 km (0.077 R)
• M3: 1,145,022 km (0.031 R)
• M4: 1,579,006 km (0.096 R)
• M5: 2,075,820 km (0.069 R)
• M6: 2,677,652 km (0.098 R)
• M7: 3,394,675 km (0.11 R)
• M8: 4,518,454 km (0.091 R)
• M9: 5,981,222 km (0.069 R)
• M10: 8,035,500 km (0.084 R)
• M11: 8,967,495 km (0.048 R)
• M12: 10,069,582 km (0.092 R)
• M13: 10,679,493 km (0.108 R)
• M14: 14,742,272 km (0.114 R)
• M15: 15,596,625 km (0.045 R)
• M16: 17,045,929 km (0.107 R)
• M17: 19,039,171 km (0.098 R)
• M18: 20,693,724 km (0.094 R)
• M19: 21,597,744 km (0.054 R)
• M20: 23,396,509 km (0.032 R)
• M21: 26,613,461 km (0.08 R)
• M22: 27,290,541 km (0.103 R)
• M23: 28,578,579 km (0.106 R)
• M24: 41,661,062 km (0.1 R)
• M25: 45,531,458 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.9

Radius: 6.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.72 AU - 7.16 AU

Year: 12192 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,938,670 km

• M1: 87,664 km (0.115 R)
• M2: 323,281 km (0.107 R)
• M3: 677,529 km (0.044 R)
• M4: 2,543,762 km (0.108 R)
• M5: 3,351,740 km (0.108 R)
• M6: 4,455,025 km (0.073 R)
• M7: 6,335,769 km (0.11 R)
• M8: 8,179,264 km (0.12 R)
• M9: 8,629,553 km (0.101 R)
• M10: 11,949,579 km (0.098 R)
• M11: 13,744,604 km (0.118 R)
• M12: 14,209,404 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.4

Radius: 5.2

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.26 AU - 10.54 AU

Year: 20772 Days

Day: 16.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,938,670 km

• M1: 65,673 km (0.103 R)
• M2: 229,932 km (0.102 R)
• M3: 590,612 km (0.083 R)
• M4: 1,070,822 km (0.12 R)
• M5: 1,883,886 km (0.114 R)
• M6: 2,601,806 km (0.083 R)
• M7: 2,830,242 km (0.098 R)
• M8: 3,765,678 km (0.032 R)
• M9: 4,028,521 km (0.097 R)
• M10: 4,558,546 km (0.086 R)
• M11: 5,063,589 km (0.119 R)
• M12: 7,829,953 km (0.085 R)
• M13: 8,803,685 km (0.1 R)
• M14: 10,130,917 km (0.119 R)
• M15: 13,109,411 km (0.108 R)
• M16: 15,341,262 km (0.115 R)
• M17: 18,140,687 km (0.041 R)
• M18: 19,747,218 km (0.096 R)
• M19: 24,624,408 km (0.09 R)
• M20: 25,336,643 km (0.108 R)
• M21: 25,749,833 km (0.097 R)
• M22: 25,958,073 km (0.077 R)
• M23: 27,016,328 km (0.107 R)
• M24: 27,447,469 km (0.09 R)
• M25: 27,993,053 km (0.073 R)
• M26: 30,712,144 km (0.116 R)
• M27: 42,765,693 km (0.062 R)
• M28: 45,443,046 km (0.111 R)
• M29: 50,474,920 km (0.116 R)
• M30: 52,956,300 km (0.092 R)
• M31: 54,312,405 km (0.092 R)
• M32: 55,171,695 km (0.095 R)
• M33: 55,517,864 km (0.086 R)
• M34: 61,813,691 km (0.12 R)
• M35: 62,562,129 km (0.092 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 12,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit