🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.7

Radius: 13.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.54 AU - 0.66 AU

Year: 310 Days

Day: 12.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,212,374 km

• M1: 169,195 km (0.108 R)
• M2: 678,726 km (0.05 R)
• M3: 1,201,420 km (0.102 R)
• M4: 1,645,876 km (0.054 R)
• M5: 2,650,725 km (0.055 R)
• M6: 3,229,968 km (0.1 R)
• M7: 3,824,918 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.7

Radius: 9.8

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.31 AU - 1.73 AU

Year: 1250 Days

Day: 10.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,212,374 km

• M1: 121,922 km (0.108 R)
• M2: 429,645 km (0.084 R)
• M3: 749,336 km (0.091 R)
• M4: 1,073,814 km (0.034 R)
• M5: 1,385,575 km (0.043 R)
• M6: 1,720,675 km (0.057 R)
• M7: 2,280,021 km (0.078 R)
• M8: 2,622,151 km (0.095 R)
• M9: 3,274,398 km (0.099 R)
• M10: 3,695,965 km (0.053 R)
• M11: 4,423,759 km (0.07 R)
• M12: 4,861,332 km (0.065 R)
• M13: 5,912,557 km (0.101 R)
• M14: 6,349,532 km (0.076 R)
• M15: 7,236,797 km (0.098 R)
• M16: 7,737,351 km (0.065 R)
• M17: 8,232,670 km (0.09 R)
• M18: 9,563,941 km (0.063 R)
• M19: 9,878,247 km (0.092 R)
• M20: 10,627,582 km (0.049 R)
• M21: 10,965,075 km (0.057 R)
• M22: 11,590,394 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.9

Radius: 13.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.5 AU - 1.76 AU

Year: 1388 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 63.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,212,374 km

• M1: 171,589 km (0.057 R)
• M2: 750,981 km (0.093 R)
• M3: 1,710,203 km (0.117 R)
• M4: 3,454,215 km (0.059 R)
• M5: 4,609,260 km (0.101 R)
• M6: 5,902,384 km (0.071 R)
• M7: 6,577,220 km (0.092 R)
• M8: 7,039,477 km (0.087 R)
• M9: 8,238,654 km (0.091 R)
• M10: 9,111,109 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.2

Radius: 8.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.25 AU - 3.95 AU

Year: 4555 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 76,212,374 km

• M1: 686,505 km (0.098 R)
• M2: 2,332,380 km (0.08 R)
• M3: 2,854,926 km (0.111 R)
• M4: 4,932,541 km (0.113 R)
• M5: 6,897,060 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.6

Radius: 6.3

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.01 AU - 10.49 AU

Year: 17260 Days

Day: 15.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,212,374 km

• M1: 78,389 km (0.04 R)
• M2: 319,691 km (0.087 R)
• M3: 523,144 km (0.067 R)
• M4: 806,781 km (0.049 R)
• M5: 1,097,600 km (0.117 R)
• M6: 1,950,158 km (0.111 R)
• M7: 2,344,049 km (0.064 R)
• M8: 2,967,723 km (0.089 R)
• M9: 3,460,498 km (0.042 R)
• M10: 4,607,914 km (0.03 R)
• M11: 5,306,536 km (0.112 R)
• M12: 6,417,599 km (0.112 R)
• M13: 6,820,167 km (0.115 R)
• M14: 9,145,965 km (0.101 R)
• M15: 10,006,153 km (0.115 R)
• M16: 11,235,698 km (0.028 R)
• M17: 11,493,156 km (0.092 R)
• M18: 11,886,748 km (0.064 R)
• M19: 14,364,088 km (0.072 R)
• M20: 16,249,022 km (0.113 R)
• M21: 17,853,758 km (0.083 R)
• M22: 21,670,897 km (0.067 R)
• M23: 32,924,547 km (0.091 R)
• M24: 33,584,872 km (0.084 R)
• M25: 36,315,182 km (0.073 R)
• M26: 36,737,048 km (0.08 R)
• M27: 37,734,118 km (0.106 R)
• M28: 40,380,953 km (0.078 R)
• M29: 47,870,122 km (0.064 R)
• M30: 53,830,400 km (0.079 R)
• M31: 55,301,246 km (0.119 R)
• M32: 57,557,482 km (0.113 R)
• M33: 60,070,277 km (0.084 R)
• M34: 63,465,251 km (0.06 R)
• M35: 66,565,218 km (0.09 R)
• M36: 70,198,651 km (0.097 R)
• M37: 74,187,828 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.9

Radius: 5.4

Gravity: 20.13 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.13 AU - 11.23 AU

Year: 21660 Days

Day: 23.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,212,374 km

• M1: 68,366 km (0.078 R)
• M2: 309,069 km (0.072 R)
• M3: 866,920 km (0.079 R)
• M4: 1,042,847 km (0.116 R)
• M5: 1,549,385 km (0.1 R)
• M6: 1,756,728 km (0.105 R)
• M7: 2,002,218 km (0.09 R)
• M8: 2,904,293 km (0.077 R)
• M9: 4,018,648 km (0.106 R)
• M10: 4,245,438 km (0.088 R)
• M11: 4,653,840 km (0.101 R)
• M12: 5,200,770 km (0.064 R)
• M13: 5,708,655 km (0.1 R)
• M14: 10,167,868 km (0.081 R)
• M15: 10,528,549 km (0.077 R)
• M16: 11,085,651 km (0.059 R)
• M17: 14,392,512 km (0.089 R)
• M18: 23,174,505 km (0.046 R)
• M19: 25,190,486 km (0.099 R)
• M20: 30,673,547 km (0.075 R)
• M21: 31,934,657 km (0.119 R)
• M22: 34,023,642 km (0.092 R)
• M23: 35,648,873 km (0.102 R)
• M24: 37,183,598 km (0.029 R)
• M25: 37,752,519 km (0.075 R)
• M26: 45,684,048 km (0.069 R)
• M27: 55,207,748 km (0.1 R)
• M28: 57,827,207 km (0.117 R)
• M29: 63,919,580 km (0.082 R)
• M30: 69,348,187 km (0.116 R)
• M31: 70,426,190 km (0.042 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: 268 - 16,976 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit