🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 12.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.65 AU - 0.91 AU

Year: 459 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,676,811 km

• M1: 150,495 km (0.068 R)
• M2: 545,733 km (0.063 R)
• M3: 1,680,882 km (0.115 R)
• M4: 2,059,963 km (0.071 R)
• M5: 2,722,382 km (0.077 R)
• M6: 3,312,097 km (0.096 R)
• M7: 3,742,789 km (0.07 R)
• M8: 4,196,370 km (0.116 R)
• M9: 5,116,247 km (0.118 R)
• M10: 5,890,865 km (0.084 R)
• M11: 6,392,167 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.3

Radius: 11.3

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.12 AU - 1.24 AU

Year: 855 Days

Day: 12 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,676,811 km

• M1: 140,921 km (0.119 R)
• M2: 508,932 km (0.115 R)
• M3: 1,066,184 km (0.098 R)
• M4: 1,666,221 km (0.055 R)
• M5: 2,650,425 km (0.085 R)
• M6: 3,244,628 km (0.099 R)
• M7: 3,732,467 km (0.102 R)
• M8: 4,110,501 km (0.109 R)
• M9: 4,997,766 km (0.076 R)
• M10: 5,439,678 km (0.082 R)
• M11: 5,988,104 km (0.051 R)
• M12: 6,381,097 km (0.089 R)
• M13: 6,769,154 km (0.069 R)
• M14: 7,127,441 km (0.115 R)
• M15: 8,689,243 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.9

Radius: 13.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.27 AU - 4.59 AU

Year: 5195 Days

Day: 7.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 90.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,676,811 km

• M1: 170,542 km (0.06 R)
• M2: 808,277 km (0.057 R)
• M3: 1,406,519 km (0.09 R)
• M4: 2,157,800 km (0.097 R)
• M5: 2,957,849 km (0.095 R)
• M6: 3,531,707 km (0.12 R)
• M7: 4,929,399 km (0.074 R)
• M8: 6,291,787 km (0.099 R)
• M9: 6,817,923 km (0.1 R)
• M10: 7,436,809 km (0.063 R)
• M11: 8,331,704 km (0.111 R)
• M12: 8,895,239 km (0.093 R)
• M13: 9,865,082 km (0.069 R)
• M14: 10,699,090 km (0.099 R)
• M15: 11,883,606 km (0.102 R)
• M16: 13,725,006 km (0.081 R)
• M17: 15,434,312 km (0.054 R)
• M18: 17,622,180 km (0.119 R)
• M19: 19,211,359 km (0.094 R)
• M20: 21,216,269 km (0.089 R)
• M21: 21,804,488 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.3

Radius: 11.4

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.25 AU - 5.19 AU

Year: 5781 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,676,811 km

• M1: 141,968 km (0.084 R)
• M2: 498,610 km (0.065 R)
• M3: 1,032,525 km (0.062 R)
• M4: 1,573,470 km (0.025 R)
• M5: 4,195,023 km (0.118 R)
• M6: 4,561,987 km (0.075 R)
• M7: 6,389,774 km (0.057 R)
• M8: 7,545,567 km (0.095 R)
• M9: 9,849,225 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.9

Radius: 13.4

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.09 AU - 5.71 AU

Year: 8368 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,676,811 km

• M1: 166,802 km (0.087 R)
• M2: 682,166 km (0.11 R)
• M3: 1,127,818 km (0.088 R)
• M4: 1,631,215 km (0.06 R)
• M5: 3,410,383 km (0.098 R)
• M6: 4,547,925 km (0.057 R)
• M7: 5,093,658 km (0.11 R)
• M8: 5,717,032 km (0.102 R)
• M9: 7,117,268 km (0.096 R)
• M10: 8,735,169 km (0.096 R)
• M11: 9,876,302 km (0.085 R)
• M12: 12,395,680 km (0.099 R)
• M13: 14,022,856 km (0.111 R)
• M14: 18,367,178 km (0.107 R)
• M15: 31,185,322 km (0.111 R)
• M16: 35,920,842 km (0.112 R)
• M17: 36,634,275 km (0.115 R)
• M18: 37,966,892 km (0.1 R)
• M19: 41,504,433 km (0.119 R)
• M20: 42,158,475 km (0.1 R)
• M21: 44,570,292 km (0.109 R)
• M22: 46,931,246 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.3

Radius: 6.4

Gravity: 18.73 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.29 AU - 7.29 AU

Year: 13126 Days

Day: 16.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,676,811 km

• M1: 79,586 km (0.094 R)
• M2: 293,062 km (0.07 R)
• M3: 823,835 km (0.075 R)
• M4: 1,044,792 km (0.117 R)
• M5: 1,473,838 km (0.105 R)
• M6: 2,442,784 km (0.063 R)
• M7: 4,917,880 km (0.057 R)
• M8: 5,296,064 km (0.048 R)
• M9: 6,033,133 km (0.076 R)
• M10: 6,588,589 km (0.086 R)
• M11: 7,308,006 km (0.083 R)
• M12: 7,664,198 km (0.061 R)
• M13: 7,985,235 km (0.096 R)
• M14: 9,887,372 km (0.087 R)
• M15: 13,606,974 km (0.118 R)
• M16: 14,490,499 km (0.115 R)
• M17: 15,849,595 km (0.052 R)
• M18: 16,146,248 km (0.087 R)
• M19: 16,750,474 km (0.115 R)
• M20: 18,818,814 km (0.071 R)
• M21: 20,259,740 km (0.053 R)
• M22: 21,051,562 km (0.081 R)
• M23: 21,410,148 km (0.106 R)
• M24: 23,359,259 km (0.101 R)
• M25: 24,426,191 km (0.117 R)
• M26: 24,921,659 km (0.108 R)
• M27: 25,932,791 km (0.089 R)
• M28: 31,518,027 km (0.086 R)
• M29: 31,987,166 km (0.09 R)
• M30: 32,819,529 km (0.078 R)
• M31: 33,301,533 km (0.045 R)
• M32: 37,198,857 km (0.1 R)
• M33: 38,251,876 km (0.086 R)
• M34: 40,005,014 km (0.068 R)
• M35: 40,555,085 km (0.079 R)
• M36: 47,554,620 km (0.034 R)
• M37: 51,176,684 km (0.095 R)
• M38: 56,000,467 km (0.059 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: 504 - 16,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit