🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.1

Radius: 9.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.69 AU - 1.09 AU

Year: 580 Days

Day: 13.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,096,601 km

• M1: 119,379 km (0.048 R)
• M2: 436,826 km (0.108 R)
• M3: 780,302 km (0.075 R)
• M4: 1,101,340 km (0.116 R)
• M5: 1,596,359 km (0.073 R)
• M6: 2,041,562 km (0.087 R)
• M7: 2,383,094 km (0.093 R)
• M8: 2,700,391 km (0.11 R)
• M9: 3,102,660 km (0.071 R)
• M10: 3,748,623 km (0.101 R)
• M11: 4,083,274 km (0.049 R)
• M12: 4,585,474 km (0.043 R)
• M13: 4,906,062 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.8

Radius: 9.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.41 AU - 1.57 AU

Year: 1255 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,096,601 km

• M1: 122,820 km (0.046 R)
• M2: 510,877 km (0.062 R)
• M3: 950,694 km (0.057 R)
• M4: 1,487,601 km (0.078 R)
• M5: 2,062,356 km (0.027 R)
• M6: 2,478,089 km (0.096 R)
• M7: 4,975,625 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141

Radius: 10.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.32 AU - 1.8 AU

Year: 1345 Days

Day: 12.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 54 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 77,096,601 km

• M1: 180,265 km (0.091 R)
• M2: 1,054,964 km (0.046 R)
• M3: 1,519,166 km (0.066 R)
• M4: 3,235,054 km (0.108 R)
• M5: 4,645,014 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 13.8

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.98 AU - 3.72 AU

Year: 4232 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,096,601 km

• M1: 171,738 km (0.062 R)
• M2: 739,612 km (0.03 R)
• M3: 1,948,213 km (0.106 R)
• M4: 2,537,928 km (0.077 R)
• M5: 3,052,245 km (0.116 R)
• M6: 5,879,346 km (0.088 R)
• M7: 6,690,765 km (0.117 R)
• M8: 7,191,918 km (0.076 R)
• M9: 8,460,059 km (0.094 R)
• M10: 9,745,404 km (0.108 R)
• M11: 10,303,404 km (0.084 R)
• M12: 15,915,867 km (0.061 R)
• M13: 16,934,479 km (0.111 R)
• M14: 19,301,566 km (0.106 R)
• M15: 24,841,474 km (0.12 R)
• M16: 26,376,199 km (0.112 R)
• M17: 27,802,166 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.5

Radius: 7.6

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.92 AU - 7.5 AU

Year: 13363 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,096,601 km

• M1: 96,042 km (0.098 R)
• M2: 332,706 km (0.113 R)
• M3: 634,893 km (0.085 R)
• M4: 1,171,800 km (0.053 R)
• M5: 1,442,123 km (0.05 R)
• M6: 1,856,809 km (0.067 R)
• M7: 2,111,574 km (0.111 R)
• M8: 2,389,976 km (0.117 R)
• M9: 2,738,090 km (0.107 R)
• M10: 3,815,344 km (0.102 R)
• M11: 4,230,628 km (0.119 R)
• M12: 4,808,524 km (0.12 R)
• M13: 6,042,108 km (0.108 R)
• M14: 6,360,602 km (0.111 R)
• M15: 7,564,865 km (0.112 R)
• M16: 8,317,642 km (0.115 R)
• M17: 10,081,700 km (0.082 R)
• M18: 10,644,786 km (0.089 R)
• M19: 12,081,674 km (0.115 R)
• M20: 13,374,050 km (0.118 R)
• M21: 16,692,280 km (0.097 R)
• M22: 17,162,017 km (0.111 R)
• M23: 17,400,177 km (0.105 R)
• M24: 24,395,822 km (0.073 R)
• M25: 30,437,332 km (0.088 R)
• M26: 38,615,998 km (0.096 R)
• M27: 41,971,927 km (0.067 R)
• M28: 48,146,280 km (0.088 R)
• M29: 53,366,198 km (0.046 R)
• M30: 56,286,947 km (0.106 R)
• M31: 56,637,305 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.9

Radius: 3.3

Gravity: 81.44 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.02 AU - 9.52 AU

Year: 17927 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,096,601 km

• M1: 42,037 km (0.111 R)
• M2: 498,011 km (0.077 R)
• M3: 695,181 km (0.094 R)
• M4: 1,015,770 km (0.094 R)
• M5: 1,146,668 km (0.072 R)
• M6: 1,259,464 km (0.108 R)
• M7: 1,458,878 km (0.086 R)
• M8: 1,643,482 km (0.111 R)
• M9: 1,979,329 km (0.08 R)
• M10: 3,069,599 km (0.06 R)
• M11: 3,787,968 km (0.092 R)
• M12: 4,202,803 km (0.097 R)
• M13: 7,299,329 km (0.12 R)
• M14: 8,669,795 km (0.085 R)
• M15: 9,964,864 km (0.064 R)
• M16: 12,107,255 km (0.105 R)
• M17: 20,335,587 km (0.111 R)
• M18: 22,599,451 km (0.111 R)
• M19: 30,887,622 km (0.108 R)
• M20: 31,903,092 km (0.068 R)
• M21: 41,754,561 km (0.07 R)
• M22: 44,259,876 km (0.073 R)
• M23: 45,712,173 km (0.059 R)
• M24: 46,039,194 km (0.047 R)
• M25: 47,362,835 km (0.097 R)
• M26: 49,912,582 km (0.111 R)
• M27: 52,731,454 km (0.045 R)
• M28: 53,452,366 km (0.073 R)
• M29: 59,458,272 km (0.109 R)
• M30: 74,581,570 km (0.034 R)
• M31: 76,175,685 km (0.116 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: 230 - 15,792 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit