🌌 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: 108.9

Radius: 9.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.51 AU - 0.51 AU

Year: 247 Days

Day: 9.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,477,266 km

• M1: 119,977 km (0.118 R)
• M2: 942,317 km (0.112 R)
• M3: 1,380,190 km (0.084 R)
• M4: 1,709,604 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.9

Radius: 14.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 12.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,477,266 km

• M1: 177,872 km (0.115 R)
• M2: 695,331 km (0.118 R)
• M3: 1,188,555 km (0.116 R)
• M4: 1,683,574 km (0.116 R)
• M5: 2,216,442 km (0.099 R)
• M6: 2,782,820 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 10.3

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.78 AU - 1.84 AU

Year: 1652 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,477,266 km

• M1: 128,205 km (0.114 R)
• M2: 500,106 km (0.089 R)
• M3: 901,327 km (0.117 R)
• M4: 1,520,064 km (0.105 R)
• M5: 2,188,318 km (0.102 R)
• M6: 2,549,597 km (0.103 R)
• M7: 3,088,598 km (0.063 R)
• M8: 3,562,972 km (0.055 R)
• M9: 4,085,518 km (0.098 R)
• M10: 4,535,658 km (0.051 R)
• M11: 5,700,277 km (0.036 R)
• M12: 8,300,587 km (0.059 R)
• M13: 8,896,137 km (0.091 R)
• M14: 9,319,798 km (0.118 R)
• M15: 9,688,706 km (0.078 R)
• M16: 12,151,087 km (0.099 R)
• M17: 13,463,210 km (0.069 R)
• M18: 14,418,392 km (0.081 R)
• M19: 15,371,780 km (0.118 R)
• M20: 15,982,737 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 11.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.35 AU - 3.71 AU

Year: 3577 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,477,266 km

• M1: 139,276 km (0.119 R)
• M2: 571,763 km (0.104 R)
• M3: 1,870,871 km (0.083 R)
• M4: 2,978,942 km (0.114 R)
• M5: 7,033,194 km (0.105 R)
• M6: 9,761,560 km (0.118 R)
• M7: 13,700,472 km (0.114 R)
• M8: 14,639,348 km (0.069 R)
• M9: 15,202,285 km (0.08 R)
• M10: 16,316,939 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.6

Radius: 12.4

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.04 AU - 3.68 AU

Year: 4177 Days

Day: 14.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,477,266 km

• M1: 154,235 km (0.091 R)
• M2: 565,181 km (0.111 R)
• M3: 972,237 km (0.107 R)
• M4: 1,444,517 km (0.116 R)
• M5: 2,043,208 km (0.08 R)
• M6: 2,637,560 km (0.059 R)
• M7: 3,194,064 km (0.101 R)
• M8: 4,288,522 km (0.059 R)
• M9: 5,841,049 km (0.095 R)
• M10: 6,484,170 km (0.089 R)
• M11: 7,570,849 km (0.092 R)
• M12: 9,819,455 km (0.079 R)
• M13: 11,206,227 km (0.098 R)
• M14: 14,837,865 km (0.078 R)
• M15: 16,374,684 km (0.092 R)
• M16: 17,181,615 km (0.065 R)
• M17: 17,595,103 km (0.105 R)
• M18: 18,750,597 km (0.088 R)
• M19: 19,633,973 km (0.106 R)
• M20: 20,611,146 km (0.085 R)
• M21: 22,591,672 km (0.045 R)
• M22: 23,883,150 km (0.115 R)
• M23: 24,324,315 km (0.095 R)
• M24: 25,604,124 km (0.111 R)

Asteroid Belt

Center: 3.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.4

Radius: 8.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.78 AU - 5 AU

Year: 6239 Days

Day: 13.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,477,266 km

• M1: 110,104 km (0.112 R)
• M2: 435,479 km (0.078 R)
• M3: 1,051,075 km (0.057 R)
• M4: 1,635,853 km (0.083 R)
• M5: 2,136,258 km (0.1 R)
• M6: 2,470,459 km (0.035 R)
• M7: 2,874,822 km (0.081 R)
• M8: 3,342,465 km (0.079 R)
• M9: 3,667,841 km (0.088 R)
• M10: 4,014,309 km (0.057 R)
• M11: 4,849,065 km (0.071 R)
• M12: 5,485,156 km (0.093 R)
• M13: 6,205,918 km (0.045 R)
• M14: 6,573,630 km (0.042 R)
• M15: 13,572,416 km (0.116 R)
• M16: 16,168,687 km (0.061 R)
• M17: 17,765,794 km (0.113 R)
• M18: 18,383,185 km (0.079 R)
• M19: 18,823,750 km (0.069 R)
• M20: 19,791,798 km (0.095 R)
• M21: 21,270,872 km (0.071 R)
• M22: 26,867,030 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259

Radius: 5

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.51 AU - 10.35 AU

Year: 18100 Days

Day: 19.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,477,266 km

• M1: 194,328 km (0.106 R)
• M2: 403,765 km (0.032 R)
• M3: 624,721 km (0.088 R)
• M4: 1,074,113 km (0.089 R)
• M5: 2,155,107 km (0.095 R)
• M6: 2,541,817 km (0.109 R)
• M7: 3,710,476 km (0.108 R)
• M8: 4,037,048 km (0.115 R)
• M9: 4,654,289 km (0.064 R)
• M10: 7,935,419 km (0.094 R)
• M11: 8,851,856 km (0.06 R)
• M12: 9,188,600 km (0.119 R)
• M13: 9,434,390 km (0.099 R)
• M14: 10,947,273 km (0.108 R)
• M15: 13,603,682 km (0.055 R)
• M16: 15,250,605 km (0.036 R)
• M17: 15,595,279 km (0.12 R)
• M18: 21,407,754 km (0.111 R)
• M19: 23,443,482 km (0.05 R)
• M20: 24,743,937 km (0.106 R)
• M21: 35,942,983 km (0.115 R)
• M22: 42,766,740 km (0.085 R)
• M23: 43,589,678 km (0.12 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 11,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit