🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.7

Radius: 13.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 11.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 83,077,392 km

• M1: 167,699 km (0.049 R)
• M2: 668,254 km (0.074 R)
• M3: 1,367,773 km (0.039 R)
• M4: 2,053,530 km (0.081 R)
• M5: 2,477,341 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 10

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.98 AU - 1.4 AU

Year: 880 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,077,392 km

• M1: 124,316 km (0.051 R)
• M2: 476,619 km (0.102 R)
• M3: 1,320,052 km (0.071 R)
• M4: 1,666,819 km (0.063 R)
• M5: 2,174,405 km (0.099 R)
• M6: 2,606,145 km (0.112 R)
• M7: 2,967,124 km (0.081 R)
• M8: 5,171,898 km (0.078 R)
• M9: 5,530,484 km (0.084 R)
• M10: 6,193,053 km (0.104 R)
• M11: 6,576,173 km (0.066 R)
• M12: 7,180,698 km (0.071 R)
• M13: 8,118,676 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.2

Radius: 8

Gravity: 9.24 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.35 AU - 1.39 AU

Year: 1088 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,077,392 km

• M1: 99,483 km (0.09 R)
• M2: 383,120 km (0.091 R)
• M3: 912,547 km (0.117 R)
• M4: 1,289,085 km (0.041 R)
• M5: 1,572,722 km (0.096 R)
• M6: 1,850,675 km (0.11 R)
• M7: 2,203,876 km (0.101 R)
• M8: 3,210,819 km (0.12 R)
• M9: 5,613,361 km (0.11 R)
• M10: 6,160,141 km (0.09 R)
• M11: 6,424,181 km (0.043 R)
• M12: 7,093,931 km (0.12 R)
• M13: 7,809,308 km (0.094 R)
• M14: 8,735,618 km (0.098 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.9

Radius: 8.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.02 AU - 3.04 AU

Year: 2729 Days

Day: 6.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,077,392 km

• M1: 105,766 km (0.101 R)
• M2: 512,373 km (0.1 R)
• M3: 2,308,146 km (0.106 R)
• M4: 2,716,697 km (0.111 R)
• M5: 3,291,303 km (0.098 R)
• M6: 3,959,856 km (0.069 R)
• M7: 4,784,290 km (0.108 R)
• M8: 8,017,997 km (0.083 R)
• M9: 8,415,628 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.8

Radius: 10.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.44 AU - 3.78 AU

Year: 3720 Days

Day: 8.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,077,392 km

• M1: 128,056 km (0.087 R)
• M2: 587,321 km (0.097 R)
• M3: 986,000 km (0.098 R)
• M4: 1,407,267 km (0.057 R)
• M5: 1,852,770 km (0.095 R)
• M6: 2,519,677 km (0.089 R)
• M7: 3,048,356 km (0.119 R)
• M8: 3,725,286 km (0.118 R)
• M9: 6,256,482 km (0.095 R)
• M10: 7,750,815 km (0.092 R)
• M11: 12,702,505 km (0.063 R)
• M12: 15,226,221 km (0.067 R)
• M13: 18,914,556 km (0.055 R)
• M14: 19,670,474 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.9

Radius: 11.4

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.83 AU - 4.31 AU

Year: 5569 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 92.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,077,392 km

• M1: 153,936 km (0.092 R)
• M2: 529,427 km (0.106 R)
• M3: 1,314,666 km (0.066 R)
• M4: 3,243,282 km (0.091 R)
• M5: 5,474,085 km (0.07 R)
• M6: 6,960,939 km (0.099 R)
• M7: 7,927,191 km (0.108 R)
• M8: 8,578,839 km (0.096 R)
• M9: 11,437,954 km (0.073 R)
• M10: 11,811,500 km (0.036 R)
• M11: 12,781,343 km (0.118 R)
• M12: 13,265,442 km (0.028 R)
• M13: 14,014,329 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.6

Radius: 5.5

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.91 AU - 8.93 AU

Year: 15117 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,077,392 km

• M1: 68,366 km (0.084 R)
• M2: 263,591 km (0.073 R)
• M3: 1,376,001 km (0.108 R)
• M4: 2,013,139 km (0.119 R)
• M5: 2,529,700 km (0.105 R)
• M6: 3,548,611 km (0.062 R)
• M7: 5,120,137 km (0.11 R)
• M8: 8,815,653 km (0.117 R)
• M9: 9,742,113 km (0.081 R)
• M10: 13,318,549 km (0.109 R)
• M11: 15,170,720 km (0.102 R)
• M12: 15,495,198 km (0.077 R)
• M13: 18,042,401 km (0.043 R)
• M14: 19,836,079 km (0.09 R)
• M15: 20,935,474 km (0.066 R)
• M16: 21,337,743 km (0.103 R)
• M17: 23,169,419 km (0.115 R)
• M18: 23,686,579 km (0.114 R)
• M19: 26,575,613 km (0.079 R)
• M20: 35,485,812 km (0.113 R)
• M21: 39,863,943 km (0.097 R)
• M22: 42,888,363 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.4

Radius: 6

Gravity: 21.93 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.57 AU - 11.31 AU

Year: 21255 Days

Day: 17.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,077,392 km

• M1: 74,649 km (0.109 R)
• M2: 349,161 km (0.078 R)
• M3: 626,217 km (0.057 R)
• M4: 843,283 km (0.062 R)
• M5: 1,111,063 km (0.072 R)
• M6: 1,434,793 km (0.106 R)
• M7: 1,708,408 km (0.065 R)
• M8: 2,452,807 km (0.059 R)
• M9: 3,694,768 km (0.107 R)
• M10: 3,914,976 km (0.05 R)
• M11: 4,557,649 km (0.11 R)
• M12: 5,670,657 km (0.118 R)
• M13: 10,637,905 km (0.102 R)
• M14: 11,412,074 km (0.064 R)
• M15: 12,362,020 km (0.114 R)
• M16: 14,264,307 km (0.115 R)
• M17: 15,527,212 km (0.118 R)
• M18: 16,102,565 km (0.101 R)
• M19: 17,470,787 km (0.12 R)
• M20: 19,476,147 km (0.075 R)
• M21: 29,907,906 km (0.09 R)
• M22: 40,533,842 km (0.079 R)
• M23: 51,048,628 km (0.057 R)
• M24: 66,838,533 km (0.064 R)
• M25: 71,014,558 km (0.074 R)
• M26: 79,882,121 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 15,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit