🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 14

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.52 AU - 0.54 AU

Year: 266 Days

Day: 14.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 86,954,230 km

• M1: 174,730 km (0.117 R)
• M2: 625,020 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.6

Radius: 14

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.63 AU - 3.29 AU

Year: 3515 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,954,230 km

• M1: 174,282 km (0.114 R)
• M2: 643,570 km (0.103 R)
• M3: 1,257,221 km (0.114 R)
• M4: 2,147,178 km (0.078 R)
• M5: 2,741,381 km (0.104 R)
• M6: 5,163,670 km (0.06 R)
• M7: 5,911,061 km (0.057 R)
• M8: 7,028,706 km (0.093 R)
• M9: 8,181,358 km (0.109 R)
• M10: 9,986,855 km (0.107 R)
• M11: 11,190,370 km (0.105 R)
• M12: 13,035,061 km (0.049 R)
• M13: 15,800,078 km (0.096 R)
• M14: 17,264,043 km (0.12 R)
• M15: 20,523,481 km (0.111 R)
• M16: 21,608,964 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.6

Radius: 13.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.57 AU - 4.07 AU

Year: 4176 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,954,230 km

• M1: 173,534 km (0.039 R)
• M2: 2,121,148 km (0.1 R)
• M3: 3,000,484 km (0.104 R)
• M4: 3,662,904 km (0.048 R)
• M5: 4,470,433 km (0.091 R)
• M6: 5,708,804 km (0.044 R)
• M7: 6,128,127 km (0.052 R)
• M8: 6,600,108 km (0.119 R)
• M9: 7,028,856 km (0.107 R)
• M10: 7,546,764 km (0.086 R)
• M11: 8,201,853 km (0.09 R)
• M12: 10,179,088 km (0.047 R)
• M13: 11,025,513 km (0.084 R)
• M14: 15,685,786 km (0.042 R)
• M15: 19,036,329 km (0.099 R)
• M16: 19,570,393 km (0.08 R)
• M17: 20,390,190 km (0.076 R)
• M18: 21,518,607 km (0.11 R)
• M19: 26,452,195 km (0.095 R)
• M20: 29,093,046 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.3

Radius: 6.9

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.65 AU - 6.21 AU

Year: 9968 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,954,230 km

• M1: 86,318 km (0.089 R)
• M2: 570,267 km (0.095 R)
• M3: 1,396,795 km (0.05 R)
• M4: 2,328,790 km (0.115 R)
• M5: 2,560,667 km (0.068 R)
• M6: 3,399,163 km (0.114 R)
• M7: 4,584,427 km (0.052 R)
• M8: 5,570,277 km (0.068 R)
• M9: 6,277,127 km (0.112 R)
• M10: 14,096,308 km (0.092 R)
• M11: 15,335,577 km (0.086 R)
• M12: 19,645,641 km (0.104 R)
• M13: 27,178,492 km (0.073 R)
• M14: 41,173,373 km (0.106 R)
• M15: 43,286,892 km (0.103 R)
• M16: 47,157,438 km (0.07 R)
• M17: 47,872,216 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.4

Radius: 3.1

Gravity: 49.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.04 AU - 9.22 AU

Year: 19042 Days

Day: 23.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,954,230 km

• M1: 48,320 km (0.103 R)
• M2: 163,062 km (0.056 R)
• M3: 301,141 km (0.081 R)
• M4: 569,220 km (0.098 R)
• M5: 897,438 km (0.099 R)
• M6: 1,296,266 km (0.098 R)
• M7: 1,648,718 km (0.064 R)
• M8: 2,100,354 km (0.087 R)
• M9: 2,629,482 km (0.089 R)
• M10: 4,914,290 km (0.09 R)
• M11: 6,316,022 km (0.098 R)
• M12: 6,440,188 km (0.043 R)
• M13: 6,997,291 km (0.082 R)
• M14: 10,100,549 km (0.094 R)
• M15: 11,269,507 km (0.055 R)
• M16: 11,637,069 km (0.09 R)
• M17: 15,536,038 km (0.106 R)
• M18: 17,735,725 km (0.042 R)
• M19: 24,528,964 km (0.09 R)
• M20: 27,825,802 km (0.111 R)
• M21: 32,746,525 km (0.103 R)
• M22: 32,994,259 km (0.113 R)
• M23: 34,251,928 km (0.031 R)
• M24: 35,280,863 km (0.099 R)
• M25: 40,592,933 km (0.088 R)
• M26: 41,890,246 km (0.109 R)
• M27: 53,277,786 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 5.1

Gravity: 27.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.09 AU - 13.05 AU

Year: 23720 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,954,230 km

• M1: 63,579 km (0.117 R)
• M2: 317,447 km (0.05 R)
• M3: 521,199 km (0.09 R)
• M4: 707,748 km (0.064 R)
• M5: 1,014,124 km (0.037 R)
• M6: 2,226,764 km (0.115 R)
• M7: 3,757,001 km (0.116 R)
• M8: 4,719,214 km (0.118 R)
• M9: 5,060,746 km (0.1 R)
• M10: 5,257,468 km (0.086 R)
• M11: 6,455,148 km (0.118 R)
• M12: 7,314,737 km (0.058 R)
• M13: 8,411,140 km (0.1 R)
• M14: 12,493,666 km (0.114 R)
• M15: 12,926,453 km (0.098 R)
• M16: 14,519,820 km (0.12 R)
• M17: 15,486,970 km (0.077 R)
• M18: 16,929,393 km (0.102 R)
• M19: 19,785,964 km (0.08 R)
• M20: 21,790,276 km (0.114 R)
• M21: 28,483,883 km (0.09 R)
• M22: 32,766,272 km (0.103 R)
• M23: 36,573,987 km (0.103 R)
• M24: 37,162,056 km (0.077 R)
• M25: 41,297,689 km (0.107 R)
• M26: 41,775,205 km (0.091 R)
• M27: 42,256,462 km (0.108 R)
• M28: 45,390,836 km (0.105 R)
• M29: 45,729,526 km (0.068 R)
• M30: 50,468,188 km (0.109 R)
• M31: 50,649,800 km (0.035 R)
• M32: 60,701,430 km (0.063 R)
• M33: 70,180,400 km (0.086 R)
• M34: 81,594,269 km (0.091 R)
• M35: 83,609,352 km (0.218 R)
• M36: 84,118,284 km (0.11 R)
• M37: 85,142,282 km (0.058 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: 409 - 17,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit