🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 12.6

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.71 AU

Year: 366 Days

Day: 14.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,320,745 km

• M1: 156,779 km (0.047 R)
• M2: 1,507,797 km (0.106 R)
• M3: 2,709,816 km (0.099 R)
• M4: 3,290,704 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.5

Radius: 10.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.67 AU - 0.95 AU

Year: 486 Days

Day: 7.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,320,745 km

• M1: 127,457 km (0.071 R)
• M2: 552,166 km (0.114 R)
• M3: 946,207 km (0.119 R)
• M4: 1,484,460 km (0.117 R)
• M5: 2,004,911 km (0.098 R)
• M6: 2,985,226 km (0.089 R)
• M7: 4,218,211 km (0.113 R)
• M8: 5,054,014 km (0.11 R)

Asteroid Belt

Center: 1.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 9.2

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.29 AU - 1.47 AU

Year: 1081 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 159.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,320,745 km

• M1: 114,442 km (0.106 R)
• M2: 417,827 km (0.097 R)
• M3: 833,559 km (0.117 R)
• M4: 1,424,770 km (0.1 R)
• M5: 2,027,949 km (0.102 R)
• M6: 2,779,977 km (0.116 R)
• M7: 3,457,955 km (0.119 R)
• M8: 3,828,509 km (0.111 R)
• M9: 4,275,058 km (0.091 R)
• M10: 4,685,256 km (0.098 R)
• M11: 5,544,845 km (0.111 R)
• M12: 5,887,873 km (0.118 R)
• M13: 7,261,331 km (0.086 R)
• M14: 7,550,055 km (0.12 R)
• M15: 9,589,523 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 12.2

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.17 AU - 1.83 AU

Year: 1225 Days

Day: 11.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,320,745 km

• M1: 151,692 km (0.051 R)
• M2: 580,290 km (0.081 R)
• M3: 1,070,223 km (0.084 R)
• M4: 2,183,979 km (0.119 R)
• M5: 3,612,340 km (0.072 R)
• M6: 4,200,110 km (0.047 R)
• M7: 4,582,781 km (0.078 R)
• M8: 5,503,706 km (0.056 R)
• M9: 6,008,598 km (0.063 R)
• M10: 6,592,329 km (0.119 R)
• M11: 8,037,894 km (0.11 R)
• M12: 8,776,757 km (0.108 R)
• M13: 11,582,166 km (0.118 R)
• M14: 12,156,622 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 14.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.36 AU - 3.34 AU

Year: 3208 Days

Day: 8.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,320,745 km

• M1: 179,069 km (0.094 R)
• M2: 2,030,641 km (0.04 R)
• M3: 2,600,011 km (0.071 R)
• M4: 3,124,800 km (0.094 R)
• M5: 6,134,111 km (0.086 R)
• M6: 6,844,851 km (0.091 R)
• M7: 7,338,673 km (0.041 R)
• M8: 9,171,845 km (0.069 R)
• M9: 10,065,693 km (0.102 R)
• M10: 13,231,333 km (0.102 R)
• M11: 16,799,841 km (0.059 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211

Radius: 4.5

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.53 AU - 6.03 AU

Year: 9267 Days

Day: 17.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,320,745 km

• M1: 61,934 km (0.065 R)
• M2: 235,018 km (0.071 R)
• M3: 382,971 km (0.109 R)
• M4: 723,007 km (0.114 R)
• M5: 1,295,368 km (0.083 R)
• M6: 1,465,162 km (0.091 R)
• M7: 1,675,646 km (0.11 R)
• M8: 2,873,326 km (0.089 R)
• M9: 3,104,305 km (0.111 R)
• M10: 4,973,232 km (0.12 R)
• M11: 6,268,001 km (0.108 R)
• M12: 8,686,700 km (0.115 R)
• M13: 10,145,428 km (0.117 R)
• M14: 11,094,926 km (0.086 R)
• M15: 11,808,508 km (0.041 R)
• M16: 12,653,586 km (0.12 R)
• M17: 13,860,093 km (0.081 R)
• M18: 14,630,821 km (0.039 R)
• M19: 16,804,927 km (0.09 R)
• M20: 18,586,638 km (0.091 R)
• M21: 19,659,255 km (0.114 R)
• M22: 20,280,535 km (0.096 R)
• M23: 20,631,192 km (0.027 R)
• M24: 23,661,147 km (0.114 R)
• M25: 26,057,256 km (0.109 R)
• M26: 28,000,233 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.3

Radius: 5.6

Gravity: 17.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.59 AU - 8.21 AU

Year: 14807 Days

Day: 23.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,320,745 km

• M1: 89,310 km (0.042 R)
• M2: 274,662 km (0.055 R)
• M3: 494,122 km (0.104 R)
• M4: 1,134,999 km (0.076 R)
• M5: 1,465,910 km (0.069 R)
• M6: 1,808,489 km (0.038 R)
• M7: 2,089,882 km (0.087 R)
• M8: 2,545,408 km (0.103 R)
• M9: 3,040,726 km (0.117 R)
• M10: 3,465,734 km (0.105 R)
• M11: 3,651,834 km (0.082 R)
• M12: 6,089,830 km (0.071 R)
• M13: 8,836,597 km (0.107 R)
• M14: 13,979,921 km (0.108 R)
• M15: 14,798,072 km (0.115 R)
• M16: 15,360,859 km (0.066 R)
• M17: 16,830,209 km (0.088 R)
• M18: 18,150,710 km (0.102 R)
• M19: 22,341,245 km (0.116 R)
• M20: 22,895,057 km (0.078 R)
• M21: 35,353,268 km (0.107 R)
• M22: 36,231,108 km (0.057 R)
• M23: 38,555,111 km (0.068 R)
• M24: 40,158,352 km (0.063 R)
• M25: 41,805,723 km (0.115 R)
• M26: 45,971,575 km (0.059 R)
• M27: 55,957,682 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 10,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit