🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 12.2

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.58 AU - 0.8 AU

Year: 376 Days

Day: 13.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,425,409 km

• M1: 151,842 km (0.108 R)
• M2: 557,551 km (0.119 R)
• M3: 1,080,545 km (0.07 R)
• M4: 1,465,311 km (0.073 R)
• M5: 1,864,887 km (0.051 R)
• M6: 2,859,862 km (0.104 R)
• M7: 3,280,831 km (0.047 R)
• M8: 3,937,865 km (0.062 R)
• M9: 4,563,034 km (0.08 R)
• M10: 4,953,933 km (0.053 R)
• M11: 5,615,904 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.5

Radius: 13.8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.03 AU - 1.49 AU

Year: 928 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,425,409 km

• M1: 171,589 km (0.11 R)
• M2: 672,143 km (0.101 R)
• M3: 1,377,796 km (0.043 R)
• M4: 2,053,530 km (0.079 R)
• M5: 2,609,436 km (0.089 R)
• M6: 3,406,344 km (0.078 R)
• M7: 4,143,113 km (0.063 R)
• M8: 5,002,702 km (0.083 R)
• M9: 5,852,269 km (0.084 R)
• M10: 6,500,476 km (0.104 R)
• M11: 7,992,715 km (0.061 R)
• M12: 9,732,089 km (0.059 R)
• M13: 10,272,587 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 11.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.26 AU - 2.3 AU

Year: 2258 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,425,409 km

• M1: 143,016 km (0.109 R)
• M2: 733,628 km (0.097 R)
• M3: 1,191,846 km (0.102 R)
• M4: 2,323,405 km (0.086 R)
• M5: 2,682,140 km (0.097 R)
• M6: 3,175,065 km (0.066 R)
• M7: 4,047,071 km (0.044 R)
• M8: 5,049,377 km (0.079 R)
• M9: 5,780,013 km (0.112 R)
• M10: 6,261,868 km (0.102 R)
• M11: 7,393,276 km (0.042 R)
• M12: 8,304,178 km (0.117 R)
• M13: 12,623,966 km (0.041 R)
• M14: 13,090,562 km (0.053 R)
• M15: 15,214,851 km (0.116 R)
• M16: 15,889,837 km (0.035 R)
• M17: 16,284,476 km (0.1 R)
• M18: 17,507,588 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 10

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.19 AU - 2.47 AU

Year: 2333 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 176.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,425,409 km

• M1: 124,316 km (0.111 R)
• M2: 477,068 km (0.074 R)
• M3: 1,203,814 km (0.099 R)
• M4: 1,627,625 km (0.111 R)
• M5: 1,953,599 km (0.111 R)
• M6: 2,661,197 km (0.097 R)
• M7: 3,660,361 km (0.085 R)
• M8: 4,872,403 km (0.105 R)
• M9: 8,040,138 km (0.1 R)
• M10: 9,617,049 km (0.081 R)
• M11: 11,497,195 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.9

Radius: 10.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.47 AU - 4.85 AU

Year: 6599 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,425,409 km

• M1: 139,126 km (0.09 R)
• M2: 528,679 km (0.118 R)
• M3: 890,706 km (0.079 R)
• M4: 1,448,107 km (0.084 R)
• M5: 2,137,754 km (0.06 R)
• M6: 2,829,644 km (0.064 R)
• M7: 3,431,775 km (0.078 R)
• M8: 4,284,184 km (0.108 R)
• M9: 5,643,280 km (0.056 R)
• M10: 6,031,637 km (0.112 R)
• M11: 6,374,216 km (0.032 R)
• M12: 9,028,830 km (0.115 R)
• M13: 10,071,826 km (0.108 R)
• M14: 10,510,746 km (0.093 R)
• M15: 11,239,737 km (0.091 R)
• M16: 13,366,420 km (0.087 R)
• M17: 14,552,282 km (0.07 R)
• M18: 21,051,412 km (0.042 R)
• M19: 22,062,245 km (0.081 R)
• M20: 24,415,120 km (0.091 R)
• M21: 25,937,279 km (0.098 R)
• M22: 29,703,555 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.3

Radius: 3.3

Gravity: 21.7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.6 AU - 6.26 AU

Year: 9473 Days

Day: 21 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,425,409 km

• M1: 40,990 km (0.09 R)
• M2: 186,549 km (0.113 R)
• M3: 349,610 km (0.083 R)
• M4: 499,956 km (0.105 R)
• M5: 603,627 km (0.067 R)
• M6: 729,290 km (0.097 R)
• M7: 1,790,088 km (0.064 R)
• M8: 2,338,963 km (0.077 R)
• M9: 3,172,672 km (0.116 R)
• M10: 3,318,230 km (0.099 R)
• M11: 3,644,952 km (0.057 R)
• M12: 5,341,242 km (0.09 R)
• M13: 6,458,140 km (0.053 R)
• M14: 7,248,017 km (0.099 R)
• M15: 8,730,981 km (0.096 R)
• M16: 11,388,587 km (0.028 R)
• M17: 11,828,704 km (0.055 R)
• M18: 12,535,853 km (0.077 R)
• M19: 13,485,799 km (0.113 R)
• M20: 16,007,870 km (0.116 R)
• M21: 16,129,343 km (0.095 R)
• M22: 17,251,477 km (0.052 R)
• M23: 19,510,853 km (0.107 R)
• M24: 20,140,361 km (0.105 R)
• M25: 24,525,524 km (0.103 R)
• M26: 27,806,654 km (0.051 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 12,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit