🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.4

Radius: 11.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.6 AU - 0.96 AU

Year: 445 Days

Day: 12.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,934,050 km

• M1: 142,118 km (0.117 R)
• M2: 575,353 km (0.099 R)
• M3: 1,008,439 km (0.091 R)
• M4: 1,371,214 km (0.109 R)
• M5: 1,874,761 km (0.092 R)
• M6: 2,246,062 km (0.062 R)
• M7: 2,724,476 km (0.117 R)
• M8: 3,204,985 km (0.118 R)
• M9: 3,937,865 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.1

Radius: 10.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.64 AU - 2.52 AU

Year: 1937 Days

Day: 12.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,934,050 km

• M1: 126,859 km (0.075 R)
• M2: 455,974 km (0.108 R)
• M3: 786,735 km (0.118 R)
• M4: 1,150,108 km (0.083 R)
• M5: 1,677,441 km (0.093 R)
• M6: 2,439,492 km (0.083 R)
• M7: 3,571,649 km (0.099 R)
• M8: 3,986,783 km (0.1 R)
• M9: 4,722,356 km (0.091 R)
• M10: 5,111,759 km (0.082 R)
• M11: 5,593,016 km (0.082 R)
• M12: 6,230,751 km (0.078 R)
• M13: 6,593,825 km (0.095 R)
• M14: 7,220,940 km (0.083 R)
• M15: 9,044,986 km (0.098 R)
• M16: 9,545,242 km (0.081 R)
• M17: 9,958,730 km (0.118 R)
• M18: 10,564,901 km (0.101 R)
• M19: 11,233,304 km (0.113 R)
• M20: 11,890,188 km (0.054 R)
• M21: 12,778,201 km (0.118 R)
• M22: 14,731,351 km (0.098 R)
• M23: 16,090,897 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 14.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.85 AU - 2.67 AU

Year: 2194 Days

Day: 10.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,934,050 km

• M1: 182,809 km (0.084 R)
• M2: 717,172 km (0.087 R)
• M3: 1,242,261 km (0.097 R)
• M4: 1,907,373 km (0.07 R)
• M5: 3,385,250 km (0.096 R)
• M6: 4,684,508 km (0.11 R)
• M7: 5,460,322 km (0.117 R)
• M8: 6,091,027 km (0.06 R)
• M9: 7,212,861 km (0.101 R)
• M10: 7,763,830 km (0.104 R)
• M11: 10,618,606 km (0.099 R)
• M12: 11,410,428 km (0.074 R)
• M13: 12,363,217 km (0.072 R)
• M14: 12,943,208 km (0.098 R)
• M15: 14,068,483 km (0.075 R)
• M16: 15,258,085 km (0.09 R)
• M17: 15,974,360 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 11.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.85 AU - 2.75 AU

Year: 2252 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,934,050 km

• M1: 139,276 km (0.073 R)
• M2: 550,969 km (0.079 R)
• M3: 1,030,430 km (0.104 R)
• M4: 1,972,298 km (0.052 R)
• M5: 2,604,050 km (0.086 R)
• M6: 2,998,689 km (0.084 R)
• M7: 3,552,800 km (0.1 R)
• M8: 3,928,440 km (0.098 R)
• M9: 4,802,690 km (0.096 R)
• M10: 6,612,525 km (0.049 R)
• M11: 7,907,295 km (0.1 R)
• M12: 8,551,762 km (0.061 R)
• M13: 10,696,996 km (0.113 R)
• M14: 11,874,630 km (0.095 R)
• M15: 13,178,974 km (0.108 R)
• M16: 13,735,328 km (0.083 R)
• M17: 14,576,517 km (0.111 R)
• M18: 15,032,940 km (0.06 R)
• M19: 15,451,814 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 12.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.12 AU - 3.08 AU

Year: 2707 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,934,050 km

• M1: 158,574 km (0.034 R)
• M2: 984,952 km (0.102 R)
• M3: 1,399,787 km (0.095 R)
• M4: 1,835,566 km (0.117 R)
• M5: 2,524,614 km (0.097 R)
• M6: 3,162,649 km (0.107 R)
• M7: 3,587,806 km (0.097 R)
• M8: 3,988,578 km (0.101 R)
• M9: 4,833,507 km (0.117 R)
• M10: 5,273,624 km (0.097 R)
• M11: 5,848,080 km (0.075 R)
• M12: 7,091,687 km (0.11 R)
• M13: 8,160,115 km (0.043 R)
• M14: 8,786,631 km (0.047 R)
• M15: 9,824,691 km (0.108 R)
• M16: 11,575,883 km (0.101 R)
• M17: 12,188,487 km (0.09 R)
• M18: 14,404,779 km (0.104 R)
• M19: 18,656,051 km (0.068 R)
• M20: 19,867,794 km (0.09 R)
• M21: 20,429,833 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.5

Radius: 14.5

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.21 AU - 3.35 AU

Year: 3836 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,934,050 km

• M1: 180,415 km (0.113 R)
• M2: 1,194,838 km (0.11 R)
• M3: 2,281,218 km (0.059 R)
• M4: 3,035,939 km (0.119 R)
• M5: 3,717,806 km (0.075 R)
• M6: 4,500,502 km (0.096 R)
• M7: 4,995,671 km (0.109 R)
• M8: 5,979,726 km (0.087 R)
• M9: 6,487,760 km (0.072 R)
• M10: 8,008,872 km (0.103 R)
• M11: 12,166,496 km (0.088 R)
• M12: 12,838,489 km (0.103 R)
• M13: 13,383,774 km (0.073 R)
• M14: 15,112,975 km (0.052 R)
• M15: 15,609,491 km (0.051 R)
• M16: 18,506,603 km (0.105 R)
• M17: 19,331,785 km (0.106 R)
• M18: 19,983,134 km (0.12 R)
• M19: 21,815,259 km (0.104 R)
• M20: 23,830,941 km (0.041 R)
• M21: 26,046,934 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.2

Radius: 11.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.57 AU - 5.13 AU

Year: 6896 Days

Day: 11.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,934,050 km

• M1: 142,268 km (0.118 R)
• M2: 1,664,576 km (0.119 R)
• M3: 2,059,963 km (0.108 R)
• M4: 2,988,367 km (0.119 R)
• M5: 5,683,373 km (0.06 R)
• M6: 7,666,143 km (0.084 R)
• M7: 9,088,220 km (0.047 R)
• M8: 14,621,845 km (0.038 R)
• M9: 15,343,057 km (0.113 R)
• M10: 19,179,045 km (0.069 R)
• M11: 23,838,122 km (0.046 R)
• M12: 24,295,891 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 14.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.96 AU - 5.84 AU

Year: 8102 Days

Day: 5.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,934,050 km

• M1: 182,958 km (0.055 R)
• M2: 676,930 km (0.055 R)
• M3: 1,637,349 km (0.07 R)
• M4: 2,496,938 km (0.033 R)
• M5: 3,197,505 km (0.092 R)
• M6: 3,879,073 km (0.08 R)
• M7: 4,852,207 km (0.06 R)
• M8: 5,535,570 km (0.103 R)
• M9: 7,319,525 km (0.066 R)
• M10: 7,780,884 km (0.113 R)
• M11: 10,872,324 km (0.103 R)
• M12: 11,525,618 km (0.117 R)
• M13: 25,524,239 km (0.111 R)
• M14: 32,061,367 km (0.08 R)
• M15: 38,470,888 km (0.106 R)
• M16: 38,934,043 km (0.1 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 12,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit