🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 12.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.7 AU - 0.72 AU

Year: 392 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,136,169 km

• M1: 154,235 km (0.111 R)
• M2: 569,519 km (0.081 R)
• M3: 962,961 km (0.059 R)
• M4: 1,529,339 km (0.065 R)
• M5: 1,953,748 km (0.04 R)
• M6: 2,776,536 km (0.12 R)
• M7: 3,583,916 km (0.088 R)
• M8: 4,359,731 km (0.111 R)
• M9: 4,758,708 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 15

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.13 AU - 1.47 AU

Year: 972 Days

Day: 14.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,136,169 km

• M1: 186,549 km (0.085 R)
• M2: 663,467 km (0.08 R)
• M3: 1,214,735 km (0.085 R)
• M4: 1,787,246 km (0.113 R)
• M5: 2,529,401 km (0.114 R)
• M6: 3,017,987 km (0.052 R)
• M7: 3,541,879 km (0.083 R)
• M8: 4,063,677 km (0.113 R)
• M9: 4,757,960 km (0.112 R)
• M10: 5,472,889 km (0.055 R)
• M11: 6,756,438 km (0.109 R)
• M12: 7,304,266 km (0.118 R)
• M13: 9,074,308 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.7

Radius: 14.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.89 AU - 3.01 AU

Year: 3324 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,136,169 km

• M1: 175,478 km (0.118 R)
• M2: 628,461 km (0.047 R)
• M3: 1,182,571 km (0.077 R)
• M4: 1,671,008 km (0.026 R)
• M5: 2,145,981 km (0.039 R)
• M6: 2,824,258 km (0.055 R)
• M7: 3,451,971 km (0.064 R)
• M8: 4,846,672 km (0.029 R)
• M9: 5,361,588 km (0.114 R)
• M10: 6,133,064 km (0.082 R)
• M11: 7,007,912 km (0.102 R)
• M12: 7,898,020 km (0.098 R)
• M13: 8,755,365 km (0.106 R)
• M14: 10,859,908 km (0.055 R)
• M15: 11,488,219 km (0.066 R)
• M16: 12,956,223 km (0.067 R)
• M17: 15,052,687 km (0.112 R)
• M18: 16,208,780 km (0.118 R)
• M19: 17,879,638 km (0.089 R)
• M20: 18,402,483 km (0.115 R)
• M21: 20,534,103 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.4

Radius: 14

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.84 AU - 3.14 AU

Year: 3392 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,136,169 km

• M1: 187,147 km (0.088 R)
• M2: 702,960 km (0.102 R)
• M3: 1,430,904 km (0.119 R)
• M4: 3,034,443 km (0.084 R)
• M5: 3,497,000 km (0.069 R)
• M6: 6,747,911 km (0.112 R)
• M7: 7,913,129 km (0.029 R)
• M8: 8,688,794 km (0.076 R)
• M9: 9,986,855 km (0.119 R)
• M10: 11,063,959 km (0.11 R)
• M11: 12,262,986 km (0.086 R)
• M12: 20,813,253 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.4

Radius: 10.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.71 AU - 4.85 AU

Year: 6856 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,136,169 km

• M1: 131,796 km (0.116 R)
• M2: 618,138 km (0.098 R)
• M3: 1,175,390 km (0.084 R)
• M4: 1,806,993 km (0.069 R)
• M5: 3,350,843 km (0.057 R)
• M6: 4,265,634 km (0.06 R)
• M7: 9,213,882 km (0.091 R)
• M8: 9,596,404 km (0.1 R)
• M9: 13,696,583 km (0.067 R)
• M10: 15,171,019 km (0.048 R)
• M11: 18,365,981 km (0.107 R)
• M12: 19,315,927 km (0.117 R)
• M13: 22,362,638 km (0.103 R)
• M14: 31,162,583 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.3

Radius: 10.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.18 AU - 6.12 AU

Year: 7667 Days

Day: 10.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,136,169 km

• M1: 125,812 km (0.078 R)
• M2: 515,813 km (0.108 R)
• M3: 1,010,384 km (0.098 R)
• M4: 1,415,046 km (0.099 R)
• M5: 2,382,047 km (0.12 R)
• M6: 8,993,674 km (0.095 R)
• M7: 10,268,547 km (0.098 R)
• M8: 14,813,630 km (0.09 R)
• M9: 15,654,370 km (0.113 R)
• M10: 16,173,923 km (0.093 R)
• M11: 17,988,994 km (0.116 R)
• M12: 24,940,359 km (0.073 R)
• M13: 28,109,889 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.6

Radius: 11.4

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.68 AU - 6.04 AU

Year: 9306 Days

Day: 8.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,136,169 km

• M1: 141,968 km (0.085 R)
• M2: 521,648 km (0.11 R)
• M3: 920,924 km (0.083 R)
• M4: 1,301,950 km (0.108 R)
• M5: 1,853,518 km (0.103 R)
• M6: 2,221,229 km (0.093 R)
• M7: 3,200,048 km (0.112 R)
• M8: 3,948,037 km (0.062 R)
• M9: 4,516,958 km (0.107 R)
• M10: 5,165,914 km (0.11 R)
• M11: 6,078,311 km (0.06 R)
• M12: 6,650,373 km (0.05 R)
• M13: 7,357,522 km (0.069 R)
• M14: 7,763,980 km (0.102 R)
• M15: 9,822,596 km (0.108 R)
• M16: 11,397,712 km (0.091 R)
• M17: 12,081,973 km (0.12 R)
• M18: 15,313,586 km (0.101 R)
• M19: 17,783,447 km (0.112 R)
• M20: 18,332,172 km (0.082 R)
• M21: 18,766,754 km (0.033 R)
• M22: 19,335,525 km (0.102 R)
• M23: 20,111,788 km (0.055 R)
• M24: 21,383,220 km (0.096 R)
• M25: 21,795,662 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.8

Radius: 3.7

Gravity: 36.44 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.44 AU - 7 AU

Year: 11428 Days

Day: 19.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,136,169 km

• M1: 48,171 km (0.029 R)
• M2: 198,666 km (0.109 R)
• M3: 922,271 km (0.098 R)
• M4: 1,170,903 km (0.065 R)
• M5: 1,647,671 km (0.118 R)
• M6: 5,092,760 km (0.054 R)
• M7: 8,139,919 km (0.086 R)
• M8: 10,166,671 km (0.107 R)
• M9: 11,377,816 km (0.102 R)
• M10: 14,082,545 km (0.11 R)
• M11: 14,592,973 km (0.109 R)
• M12: 15,049,546 km (0.028 R)
• M13: 21,045,578 km (0.119 R)
• M14: 23,706,924 km (0.076 R)
• M15: 24,611,094 km (0.109 R)
• M16: 26,105,128 km (0.119 R)
• M17: 27,461,083 km (0.044 R)
• M18: 30,523,501 km (0.094 R)
• M19: 32,027,408 km (0.085 R)
• M20: 33,919,073 km (0.115 R)
• M21: 34,719,123 km (0.05 R)
• M22: 35,065,890 km (0.029 R)
• M23: 36,238,289 km (0.119 R)
• M24: 42,626,417 km (0.089 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: 227 - 19,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit