🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.5

Radius: 9.8

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.6 AU - 0.72 AU

Year: 370 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,861,321 km

• M1: 121,922 km (0.039 R)
• M2: 981,960 km (0.103 R)
• M3: 1,610,870 km (0.025 R)
• M4: 1,996,683 km (0.072 R)
• M5: 2,416,903 km (0.076 R)
• M6: 3,030,105 km (0.117 R)
• M7: 3,731,868 km (0.062 R)
• M8: 4,763,944 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 9.9

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.37 AU - 1.81 AU

Year: 1384 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,861,321 km

• M1: 153,787 km (0.045 R)
• M2: 612,154 km (0.052 R)
• M3: 1,079,947 km (0.114 R)
• M4: 1,879,248 km (0.108 R)
• M5: 2,275,533 km (0.07 R)
• M6: 3,283,673 km (0.063 R)
• M7: 3,662,455 km (0.034 R)
• M8: 6,319,762 km (0.111 R)
• M9: 7,321,469 km (0.108 R)
• M10: 10,418,145 km (0.085 R)
• M11: 12,478,706 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.1

Radius: 8.9

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.29 AU - 5.33 AU

Year: 7282 Days

Day: 9.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,861,321 km

• M1: 111,450 km (0.09 R)
• M2: 445,502 km (0.067 R)
• M3: 812,915 km (0.102 R)
• M4: 1,431,502 km (0.112 R)
• M5: 1,755,830 km (0.074 R)
• M6: 2,196,695 km (0.093 R)
• M7: 5,728,551 km (0.113 R)
• M8: 6,412,962 km (0.058 R)
• M9: 6,738,337 km (0.087 R)
• M10: 7,343,909 km (0.117 R)
• M11: 7,780,884 km (0.096 R)
• M12: 10,231,896 km (0.117 R)
• M13: 12,089,752 km (0.084 R)
• M14: 13,388,261 km (0.103 R)
• M15: 15,668,582 km (0.108 R)
• M16: 17,140,924 km (0.114 R)
• M17: 18,484,762 km (0.07 R)
• M18: 22,108,770 km (0.1 R)
• M19: 28,537,739 km (0.037 R)
• M20: 29,025,577 km (0.069 R)
• M21: 41,467,183 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.2

Radius: 4

Gravity: 14.08 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.41 AU - 5.89 AU

Year: 9270 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,861,321 km

• M1: 49,816 km (0.117 R)
• M2: 193,430 km (0.066 R)
• M3: 324,328 km (0.103 R)
• M4: 457,321 km (0.101 R)
• M5: 681,717 km (0.079 R)
• M6: 864,077 km (0.108 R)
• M7: 1,003,503 km (0.106 R)
• M8: 1,705,715 km (0.117 R)
• M9: 1,841,699 km (0.097 R)
• M10: 2,706,525 km (0.089 R)
• M11: 2,854,477 km (0.086 R)
• M12: 3,106,250 km (0.084 R)
• M13: 3,415,170 km (0.107 R)
• M14: 4,542,091 km (0.093 R)
• M15: 6,113,616 km (0.057 R)
• M16: 6,631,225 km (0.098 R)
• M17: 6,764,965 km (0.078 R)
• M18: 7,716,258 km (0.058 R)
• M19: 8,713,478 km (0.07 R)
• M20: 9,326,230 km (0.12 R)
• M21: 11,431,970 km (0.12 R)
• M22: 12,066,115 km (0.025 R)
• M23: 13,191,839 km (0.103 R)
• M24: 14,053,374 km (0.087 R)
• M25: 15,009,154 km (0.111 R)
• M26: 15,473,506 km (0.055 R)
• M27: 15,650,181 km (0.052 R)
• M28: 16,800,140 km (0.08 R)
• M29: 22,038,459 km (0.101 R)
• M30: 22,336,907 km (0.108 R)
• M31: 24,822,625 km (0.094 R)
• M32: 26,888,272 km (0.044 R)
• M33: 29,155,279 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.5

Radius: 5.9

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.33 AU - 10.27 AU

Year: 18019 Days

Day: 20.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,861,321 km

• M1: 73,303 km (0.103 R)
• M2: 290,369 km (0.119 R)
• M3: 553,063 km (0.104 R)
• M4: 949,049 km (0.114 R)
• M5: 1,134,550 km (0.101 R)
• M6: 2,396,259 km (0.052 R)
• M7: 2,632,773 km (0.118 R)
• M8: 3,203,190 km (0.085 R)
• M9: 3,654,676 km (0.09 R)
• M10: 4,426,003 km (0.084 R)
• M11: 5,194,487 km (0.104 R)
• M12: 6,570,638 km (0.097 R)
• M13: 8,317,941 km (0.107 R)
• M14: 8,611,751 km (0.053 R)
• M15: 9,376,645 km (0.07 R)
• M16: 9,748,844 km (0.078 R)
• M17: 11,819,877 km (0.1 R)
• M18: 14,098,103 km (0.088 R)
• M19: 14,728,060 km (0.113 R)
• M20: 15,086,048 km (0.07 R)
• M21: 17,120,280 km (0.038 R)
• M22: 18,162,079 km (0.032 R)
• M23: 18,740,275 km (0.081 R)
• M24: 23,425,082 km (0.091 R)
• M25: 24,308,008 km (0.085 R)
• M26: 25,622,226 km (0.118 R)
• M27: 26,664,923 km (0.097 R)
• M28: 27,196,743 km (0.072 R)
• M29: 28,834,690 km (0.111 R)
• M30: 33,153,880 km (0.079 R)
• M31: 40,901,404 km (0.057 R)
• M32: 48,975,650 km (0.058 R)
• M33: 56,291,285 km (0.082 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 10,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit