🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 11.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.51 AU - 0.53 AU

Year: 259 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 76,632,432 km

• M1: 147,952 km (0.12 R)
• M2: 540,198 km (0.096 R)
• M3: 975,079 km (0.088 R)
• M4: 1,574,218 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.9

Radius: 11

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1 AU - 1.02 AU

Year: 701 Days

Day: 9.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,632,432 km

• M1: 136,882 km (0.098 R)
• M2: 493,972 km (0.09 R)
• M3: 1,297,612 km (0.117 R)
• M4: 1,758,822 km (0.048 R)
• M5: 2,122,644 km (0.097 R)
• M6: 3,207,079 km (0.107 R)
• M7: 3,756,702 km (0.108 R)
• M8: 4,308,718 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.3

Radius: 8.5

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.05 AU - 1.55 AU

Year: 1023 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,632,432 km

• M1: 152,141 km (0.118 R)
• M2: 441,763 km (0.096 R)
• M3: 1,236,576 km (0.063 R)
• M4: 1,687,464 km (0.117 R)
• M5: 2,020,170 km (0.072 R)
• M6: 2,309,043 km (0.094 R)
• M7: 3,088,149 km (0.078 R)
• M8: 3,416,815 km (0.091 R)
• M9: 4,128,452 km (0.117 R)
• M10: 4,632,148 km (0.113 R)
• M11: 5,542,302 km (0.119 R)
• M12: 6,500,925 km (0.105 R)
• M13: 7,445,037 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 10.3

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.5 AU - 1.66 AU

Year: 1371 Days

Day: 11.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,632,432 km

• M1: 128,056 km (0.059 R)
• M2: 475,123 km (0.118 R)
• M3: 970,741 km (0.086 R)
• M4: 1,622,838 km (0.105 R)
• M5: 2,058,168 km (0.104 R)
• M6: 3,026,664 km (0.111 R)
• M7: 3,415,020 km (0.071 R)
• M8: 3,901,662 km (0.113 R)
• M9: 4,309,915 km (0.102 R)
• M10: 4,860,285 km (0.093 R)
• M11: 5,540,208 km (0.108 R)
• M12: 6,677,301 km (0.111 R)
• M13: 7,213,460 km (0.115 R)
• M14: 7,990,471 km (0.093 R)
• M15: 9,024,492 km (0.112 R)
• M16: 9,926,417 km (0.044 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.7

Radius: 5.2

Gravity: 34.42 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.47 AU - 6.73 AU

Year: 11704 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,632,432 km

• M1: 75,547 km (0.105 R)
• M2: 402,418 km (0.084 R)
• M3: 579,542 km (0.109 R)
• M4: 1,371,513 km (0.081 R)
• M5: 1,670,859 km (0.099 R)
• M6: 2,359,158 km (0.065 R)
• M7: 3,245,675 km (0.115 R)
• M8: 3,639,567 km (0.072 R)
• M9: 3,890,741 km (0.049 R)
• M10: 7,604,658 km (0.109 R)
• M11: 7,923,302 km (0.099 R)
• M12: 8,982,604 km (0.094 R)
• M13: 12,977,914 km (0.096 R)
• M14: 13,498,665 km (0.112 R)
• M15: 15,942,047 km (0.114 R)
• M16: 17,306,529 km (0.114 R)
• M17: 21,682,865 km (0.073 R)
• M18: 24,027,363 km (0.093 R)
• M19: 25,613,399 km (0.075 R)
• M20: 30,673,697 km (0.053 R)
• M21: 33,618,681 km (0.112 R)
• M22: 35,852,177 km (0.108 R)
• M23: 41,304,870 km (0.071 R)
• M24: 48,670,620 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 362.5

Radius: 3.9

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.11 AU - 9.27 AU

Year: 14720 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,632,432 km

• M1: 50,863 km (0.063 R)
• M2: 221,106 km (0.06 R)
• M3: 480,359 km (0.116 R)
• M4: 611,855 km (0.109 R)
• M5: 794,664 km (0.111 R)
• M6: 970,741 km (0.087 R)
• M7: 1,172,548 km (0.094 R)
• M8: 1,753,287 km (0.112 R)
• M9: 4,959,020 km (0.032 R)
• M10: 5,252,232 km (0.062 R)
• M11: 5,731,244 km (0.105 R)
• M12: 6,201,580 km (0.12 R)
• M13: 7,984,637 km (0.063 R)
• M14: 8,850,509 km (0.075 R)
• M15: 9,040,499 km (0.1 R)
• M16: 9,477,923 km (0.105 R)
• M17: 10,082,747 km (0.085 R)
• M18: 10,606,190 km (0.103 R)
• M19: 11,257,988 km (0.076 R)
• M20: 12,226,484 km (0.045 R)
• M21: 12,640,870 km (0.089 R)
• M22: 12,821,286 km (0.098 R)
• M23: 13,623,280 km (0.091 R)
• M24: 20,358,774 km (0.051 R)
• M25: 21,362,875 km (0.114 R)
• M26: 25,422,812 km (0.1 R)
• M27: 28,089,992 km (0.089 R)
• M28: 28,810,755 km (0.115 R)
• M29: 29,228,133 km (0.044 R)
• M30: 29,649,400 km (0.033 R)
• M31: 32,487,571 km (0.097 R)
• M32: 39,332,272 km (0.103 R)
• M33: 42,211,882 km (0.113 R)
• M34: 48,976,248 km (0.102 R)
• M35: 49,570,451 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.2

Radius: 6.6

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.05 AU - 11.83 AU

Year: 21632 Days

Day: 24.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,632,432 km

• M1: 107,262 km (0.071 R)
• M2: 499,358 km (0.07 R)
• M3: 1,050,327 km (0.053 R)
• M4: 3,198,253 km (0.102 R)
• M5: 4,183,804 km (0.063 R)
• M6: 4,588,167 km (0.076 R)
• M7: 6,296,574 km (0.107 R)
• M8: 7,533,150 km (0.112 R)
• M9: 11,543,271 km (0.112 R)
• M10: 12,679,766 km (0.059 R)
• M11: 13,525,592 km (0.115 R)
• M12: 13,962,268 km (0.037 R)
• M13: 17,287,231 km (0.104 R)
• M14: 19,868,392 km (0.117 R)
• M15: 23,624,945 km (0.074 R)
• M16: 28,416,864 km (0.105 R)
• M17: 31,354,367 km (0.102 R)
• M18: 36,130,429 km (0.044 R)
• M19: 38,400,577 km (0.095 R)
• M20: 41,827,864 km (0.105 R)
• M21: 42,910,204 km (0.096 R)
• M22: 56,073,471 km (0.075 R)
• M23: 58,532,261 km (0.064 R)
• M24: 59,109,709 km (0.027 R)
• M25: 65,507,412 km (0.048 R)
• M26: 65,714,455 km (0.048 R)
• M27: 72,794,324 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 14,762 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit