🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 8.9

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.46 AU - 0.7 AU

Year: 300 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,805,186 km

• M1: 111,450 km (0.093 R)
• M2: 394,639 km (0.094 R)
• M3: 909,106 km (0.109 R)
• M4: 1,215,632 km (0.051 R)
• M5: 1,612,067 km (0.119 R)
• M6: 2,126,235 km (0.037 R)
• M7: 3,333,639 km (0.101 R)
• M8: 3,741,892 km (0.112 R)
• M9: 4,157,175 km (0.082 R)
• M10: 4,437,073 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 12

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.48 AU - 0.74 AU

Year: 323 Days

Day: 14.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 30,805,186 km

• M1: 228,735 km (0.118 R)
• M2: 785,838 km (0.055 R)
• M3: 1,187,508 km (0.059 R)
• M4: 1,710,951 km (0.09 R)
• M5: 2,394,164 km (0.084 R)
• M6: 2,791,047 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 9.6

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.78 AU - 0.82 AU

Year: 485 Days

Day: 6.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,805,186 km

• M1: 119,379 km (0.037 R)
• M2: 501,901 km (0.065 R)
• M3: 994,227 km (0.119 R)
• M4: 1,304,344 km (0.107 R)
• M5: 1,873,713 km (0.05 R)
• M6: 2,211,805 km (0.115 R)
• M7: 2,665,385 km (0.076 R)
• M8: 3,167,885 km (0.08 R)
• M9: 3,732,467 km (0.053 R)
• M10: 4,577,844 km (0.086 R)
• M11: 5,163,520 km (0.054 R)
• M12: 5,527,941 km (0.08 R)
• M13: 6,116,010 km (0.079 R)
• M14: 6,827,048 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 12

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.8 AU - 0.96 AU

Year: 560 Days

Day: 5.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,805,186 km

• M1: 150,047 km (0.036 R)
• M2: 530,474 km (0.072 R)
• M3: 930,499 km (0.115 R)
• M4: 1,542,354 km (0.109 R)
• M5: 2,009,548 km (0.079 R)
• M6: 2,450,563 km (0.109 R)
• M7: 3,140,209 km (0.076 R)
• M8: 3,752,663 km (0.112 R)
• M9: 4,325,024 km (0.043 R)
• M10: 5,300,851 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 13.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.69 AU - 1.07 AU

Year: 560 Days

Day: 13.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,805,186 km

• M1: 169,345 km (0.07 R)
• M2: 619,186 km (0.108 R)
• M3: 1,297,762 km (0.109 R)
• M4: 1,750,445 km (0.099 R)
• M5: 2,281,517 km (0.114 R)
• M6: 2,730,460 km (0.104 R)
• M7: 3,465,285 km (0.115 R)
• M8: 4,404,012 km (0.096 R)
• M9: 4,991,483 km (0.048 R)
• M10: 6,208,461 km (0.107 R)
• M11: 6,702,733 km (0.117 R)
• M12: 7,287,511 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.3

Radius: 12.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.88 AU - 1.26 AU

Year: 751 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,805,186 km

• M1: 152,141 km (0.106 R)
• M2: 626,366 km (0.11 R)
• M3: 1,383,930 km (0.089 R)
• M4: 1,871,469 km (0.111 R)
• M5: 2,390,125 km (0.108 R)
• M6: 3,329,001 km (0.104 R)
• M7: 3,978,406 km (0.084 R)
• M8: 4,435,876 km (0.11 R)
• M9: 5,188,353 km (0.115 R)
• M10: 5,567,734 km (0.082 R)
• M11: 6,883,297 km (0.114 R)
• M12: 7,775,649 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 13.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.07 AU - 1.23 AU

Year: 836 Days

Day: 11.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,805,186 km

• M1: 165,455 km (0.067 R)
• M2: 754,272 km (0.079 R)
• M3: 1,230,891 km (0.106 R)
• M4: 2,583,854 km (0.109 R)
• M5: 3,283,823 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.5

Radius: 9.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.23 AU - 1.37 AU

Year: 1005 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,805,186 km

• M1: 113,844 km (0.038 R)
• M2: 666,309 km (0.059 R)
• M3: 1,367,175 km (0.097 R)
• M4: 1,921,285 km (0.095 R)
• M5: 2,312,035 km (0.117 R)
• M6: 3,413,225 km (0.058 R)
• M7: 4,958,571 km (0.104 R)
• M8: 5,541,404 km (0.106 R)

Planet 9 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.2

Radius: 15

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.36 AU - 1.48 AU

Year: 1148 Days

Day: 8.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,805,186 km

• M1: 186,549 km (0.11 R)
• M2: 667,805 km (0.094 R)
• M3: 1,290,581 km (0.028 R)
• M4: 1,759,720 km (0.097 R)
• M5: 2,461,633 km (0.031 R)
• M6: 3,089,495 km (0.1 R)
• M7: 3,775,252 km (0.103 R)
• M8: 4,275,956 km (0.064 R)
• M9: 6,142,638 km (0.106 R)
• M10: 7,384,450 km (0.103 R)
• M11: 9,106,471 km (0.12 R)
• M12: 10,172,206 km (0.09 R)
• M13: 11,872,087 km (0.111 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.1

Radius: 8.4

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.68 AU - 4.16 AU

Year: 4290 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,805,186 km

• M1: 104,419 km (0.116 R)
• M2: 518,357 km (0.067 R)
• M3: 807,679 km (0.062 R)
• M4: 1,248,394 km (0.066 R)
• M5: 1,829,283 km (0.082 R)
• M6: 2,128,778 km (0.117 R)
• M7: 4,152,986 km (0.099 R)
• M8: 4,675,083 km (0.11 R)
• M9: 8,002,588 km (0.104 R)
• M10: 8,342,624 km (0.107 R)
• M11: 8,692,235 km (0.09 R)
• M12: 9,255,620 km (0.08 R)
• M13: 10,589,734 km (0.049 R)
• M14: 10,862,152 km (0.116 R)
• M15: 11,659,209 km (0.112 R)
• M16: 18,171,205 km (0.071 R)
• M17: 18,627,777 km (0.102 R)
• M18: 19,025,109 km (0.091 R)
• M19: 20,460,800 km (0.086 R)
• M20: 20,742,194 km (0.108 R)
• M21: 21,967,101 km (0.114 R)
• M22: 22,785,102 km (0.091 R)
• M23: 23,777,684 km (0.105 R)
• M24: 24,088,848 km (0.09 R)
• M25: 24,402,704 km (0.108 R)
• M26: 27,012,588 km (0.096 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: 461 - 19,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit