🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 8.3

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.66 AU - 1.02 AU

Year: 531 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,458,295 km

• M1: 103,223 km (0.116 R)
• M2: 413,040 km (0.079 R)
• M3: 675,883 km (0.101 R)
• M4: 943,963 km (0.098 R)
• M5: 1,203,066 km (0.103 R)
• M6: 1,691,653 km (0.118 R)
• M7: 2,089,882 km (0.084 R)
• M8: 2,854,776 km (0.114 R)
• M9: 3,147,689 km (0.076 R)
• M10: 4,105,863 km (0.036 R)
• M11: 4,652,344 km (0.1 R)
• M12: 5,332,715 km (0.098 R)
• M13: 5,908,667 km (0.106 R)
• M14: 6,347,737 km (0.048 R)
• M15: 6,706,323 km (0.05 R)
• M16: 7,205,531 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 8.2

Gravity: 11.31 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.42 AU - 1.52 AU

Year: 1230 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,458,295 km

• M1: 102,026 km (0.055 R)
• M2: 369,208 km (0.108 R)
• M3: 646,712 km (0.101 R)
• M4: 935,136 km (0.057 R)
• M5: 1,279,511 km (0.08 R)
• M6: 1,605,933 km (0.029 R)
• M7: 2,852,233 km (0.077 R)
• M8: 3,146,791 km (0.117 R)
• M9: 4,917,282 km (0.042 R)
• M10: 5,177,582 km (0.119 R)
• M11: 5,880,393 km (0.12 R)
• M12: 6,454,101 km (0.12 R)
• M13: 6,939,396 km (0.062 R)
• M14: 8,315,547 km (0.06 R)
• M15: 9,038,105 km (0.09 R)
• M16: 9,833,367 km (0.034 R)
• M17: 10,807,997 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 9

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.45 AU - 1.59 AU

Year: 1294 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,458,295 km

• M1: 112,049 km (0.083 R)
• M2: 943,813 km (0.107 R)
• M3: 1,504,506 km (0.112 R)
• M4: 2,984,178 km (0.041 R)
• M5: 3,360,267 km (0.111 R)
• M6: 4,862,080 km (0.056 R)
• M7: 5,493,683 km (0.052 R)
• M8: 5,990,946 km (0.072 R)
• M9: 7,101,411 km (0.057 R)
• M10: 8,431,186 km (0.089 R)
• M11: 9,821,848 km (0.097 R)
• M12: 10,117,454 km (0.099 R)
• M13: 10,452,852 km (0.093 R)
• M14: 12,167,094 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.1

Radius: 13.8

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.26 AU - 1.88 AU

Year: 1358 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,458,295 km

• M1: 366,664 km (0.087 R)
• M2: 1,290,431 km (0.06 R)
• M3: 1,912,160 km (0.064 R)
• M4: 2,550,943 km (0.069 R)
• M5: 3,351,890 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.7

Radius: 11.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.09 AU - 3.07 AU

Year: 2860 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,458,295 km

• M1: 148,551 km (0.096 R)
• M2: 543,040 km (0.116 R)
• M3: 922,420 km (0.1 R)
• M4: 1,337,704 km (0.104 R)
• M5: 2,116,511 km (0.069 R)
• M6: 3,308,207 km (0.102 R)
• M7: 3,786,920 km (0.081 R)
• M8: 4,171,686 km (0.118 R)
• M9: 5,240,114 km (0.096 R)
• M10: 5,719,725 km (0.052 R)
• M11: 6,529,648 km (0.105 R)
• M12: 7,569,203 km (0.094 R)
• M13: 9,695,887 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 11

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.79 AU - 3.29 AU

Year: 3659 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 77.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,458,295 km

• M1: 172,337 km (0.093 R)
• M2: 607,068 km (0.051 R)
• M3: 1,051,224 km (0.111 R)
• M4: 1,468,602 km (0.063 R)
• M5: 2,469,711 km (0.111 R)
• M6: 3,035,042 km (0.071 R)
• M7: 4,377,832 km (0.104 R)
• M8: 6,322,604 km (0.098 R)
• M9: 6,727,267 km (0.096 R)
• M10: 7,149,282 km (0.101 R)
• M11: 8,046,271 km (0.096 R)
• M12: 11,055,731 km (0.103 R)
• M13: 12,302,031 km (0.111 R)
• M14: 14,476,885 km (0.11 R)
• M15: 15,127,037 km (0.032 R)
• M16: 16,023,877 km (0.082 R)
• M17: 19,120,253 km (0.07 R)
• M18: 19,574,283 km (0.08 R)
• M19: 20,235,356 km (0.06 R)
• M20: 23,766,464 km (0.04 R)
• M21: 25,055,100 km (0.118 R)
• M22: 26,150,755 km (0.079 R)
• M23: 26,791,183 km (0.093 R)
• M24: 27,359,955 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.6

Radius: 7.2

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.96 AU - 10.3 AU

Year: 22255 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,458,295 km

• M1: 91,853 km (0.116 R)
• M2: 724,802 km (0.054 R)
• M3: 963,560 km (0.063 R)
• M4: 1,255,874 km (0.08 R)
• M5: 1,555,369 km (0.107 R)
• M6: 1,882,689 km (0.1 R)
• M7: 2,211,805 km (0.116 R)
• M8: 3,645,251 km (0.093 R)
• M9: 4,328,465 km (0.074 R)
• M10: 5,171,598 km (0.074 R)
• M11: 6,844,402 km (0.091 R)
• M12: 10,015,428 km (0.1 R)
• M13: 11,748,370 km (0.045 R)
• M14: 18,313,173 km (0.102 R)
• M15: 20,885,808 km (0.105 R)
• M16: 22,518,818 km (0.066 R)
• M17: 23,473,851 km (0.103 R)
• M18: 29,152,287 km (0.097 R)
• M19: 33,589,509 km (0.105 R)
• M20: 40,745,972 km (0.048 R)
• M21: 46,607,815 km (0.088 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: 485 - 20,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit