🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 11.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.73 AU - 0.85 AU

Year: 461 Days

Day: 8.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,470,685 km

• M1: 140,472 km (0.093 R)
• M2: 493,224 km (0.058 R)
• M3: 881,131 km (0.071 R)
• M4: 1,488,050 km (0.095 R)
• M5: 2,074,324 km (0.076 R)
• M6: 2,512,197 km (0.063 R)
• M7: 2,904,592 km (0.119 R)
• M8: 3,477,702 km (0.066 R)
• M9: 3,861,570 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.9

Radius: 11.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.75 AU - 0.83 AU

Year: 461 Days

Day: 6 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,470,685 km

• M1: 140,622 km (0.062 R)
• M2: 543,639 km (0.074 R)
• M3: 929,900 km (0.1 R)
• M4: 1,321,697 km (0.052 R)
• M5: 1,919,191 km (0.033 R)
• M6: 2,304,854 km (0.097 R)
• M7: 2,664,488 km (0.092 R)
• M8: 3,776,449 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.8

Radius: 14.1

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.76 AU - 1.06 AU

Year: 569 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,470,685 km

• M1: 175,329 km (0.055 R)
• M2: 614,698 km (0.061 R)
• M3: 1,234,182 km (0.097 R)
• M4: 1,824,047 km (0.099 R)
• M5: 2,712,957 km (0.063 R)
• M6: 3,500,291 km (0.102 R)
• M7: 4,247,532 km (0.11 R)
• M8: 5,246,248 km (0.109 R)
• M9: 5,917,344 km (0.112 R)
• M10: 6,358,358 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 14.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.93 AU - 1.15 AU

Year: 696 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,470,685 km

• M1: 180,265 km (0.105 R)
• M2: 847,023 km (0.111 R)
• M3: 1,808,339 km (0.1 R)
• M4: 2,553,935 km (0.058 R)
• M5: 3,707,035 km (0.107 R)
• M6: 6,036,124 km (0.104 R)
• M7: 6,612,375 km (0.096 R)
• M8: 7,293,195 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 14.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.23 AU - 2.03 AU

Year: 1365 Days

Day: 15 Hours

Environment

Temp: -187 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,470,685 km

• M1: 184,005 km (0.092 R)
• M2: 840,291 km (0.096 R)
• M3: 1,460,075 km (0.1 R)
• M4: 1,930,411 km (0.077 R)
• M5: 2,882,003 km (0.069 R)
• M6: 3,437,759 km (0.062 R)
• M7: 4,627,960 km (0.117 R)
• M8: 5,149,159 km (0.104 R)
• M9: 5,810,381 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.7

Radius: 9

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.66 AU - 4.48 AU

Year: 5386 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,470,685 km

• M1: 112,049 km (0.11 R)
• M2: 397,930 km (0.117 R)
• M3: 913,295 km (0.047 R)
• M4: 1,283,550 km (0.094 R)
• M5: 1,713,195 km (0.079 R)
• M6: 3,260,186 km (0.103 R)
• M7: 3,923,354 km (0.115 R)
• M8: 5,055,062 km (0.056 R)
• M9: 5,398,538 km (0.072 R)
• M10: 6,132,316 km (0.08 R)
• M11: 7,035,737 km (0.094 R)
• M12: 7,537,788 km (0.103 R)
• M13: 8,335,444 km (0.104 R)
• M14: 8,856,792 km (0.101 R)
• M15: 9,357,197 km (0.048 R)
• M16: 9,744,656 km (0.101 R)
• M17: 10,644,487 km (0.11 R)
• M18: 13,028,479 km (0.097 R)
• M19: 14,687,220 km (0.11 R)
• M20: 15,747,569 km (0.05 R)
• M21: 18,419,088 km (0.099 R)
• M22: 19,721,338 km (0.062 R)
• M23: 24,156,017 km (0.109 R)
• M24: 24,478,700 km (0.07 R)
• M25: 25,298,197 km (0.07 R)
• M26: 27,777,931 km (0.058 R)
• M27: 28,489,568 km (0.105 R)
• M28: 30,981,270 km (0.111 R)
• M29: 31,458,188 km (0.11 R)
• M30: 33,215,514 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.5

Radius: 6.7

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.16 AU - 9.96 AU

Year: 16429 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,470,685 km

• M1: 83,924 km (0.117 R)
• M2: 362,176 km (0.099 R)
• M3: 876,943 km (0.088 R)
• M4: 1,228,049 km (0.112 R)
• M5: 1,527,245 km (0.069 R)
• M6: 2,460,885 km (0.085 R)
• M7: 2,915,513 km (0.118 R)
• M8: 3,137,666 km (0.116 R)
• M9: 3,588,554 km (0.074 R)
• M10: 3,815,194 km (0.067 R)
• M11: 4,235,116 km (0.118 R)
• M12: 4,853,703 km (0.118 R)
• M13: 5,834,018 km (0.12 R)
• M14: 6,983,827 km (0.108 R)
• M15: 7,293,495 km (0.105 R)
• M16: 7,798,387 km (0.102 R)
• M17: 8,624,317 km (0.095 R)
• M18: 10,054,024 km (0.089 R)
• M19: 11,270,105 km (0.115 R)
• M20: 11,882,260 km (0.091 R)
• M21: 12,452,078 km (0.048 R)
• M22: 13,852,314 km (0.082 R)
• M23: 14,060,704 km (0.086 R)
• M24: 16,259,942 km (0.09 R)
• M25: 16,725,790 km (0.091 R)
• M26: 17,684,263 km (0.051 R)
• M27: 23,421,641 km (0.065 R)
• M28: 24,115,775 km (0.069 R)
• M29: 25,858,590 km (0.099 R)
• M30: 26,068,925 km (0.099 R)
• M31: 27,138,251 km (0.112 R)
• M32: 31,588,338 km (0.1 R)
• M33: 36,633,676 km (0.098 R)
• M34: 37,032,355 km (0.098 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 15,811 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit