🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 8.1

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.91 AU - 1.07 AU

Year: 636 Days

Day: 7.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,835,097 km

• M1: 101,427 km (0.099 R)
• M2: 368,310 km (0.088 R)
• M3: 655,538 km (0.074 R)
• M4: 936,333 km (0.118 R)
• M5: 1,387,670 km (0.109 R)
• M6: 1,640,341 km (0.06 R)
• M7: 2,032,137 km (0.118 R)
• M8: 2,381,449 km (0.049 R)
• M9: 4,107,060 km (0.094 R)
• M10: 5,035,614 km (0.084 R)
• M11: 5,923,776 km (0.106 R)
• M12: 6,578,267 km (0.05 R)
• M13: 6,891,226 km (0.112 R)
• M14: 7,236,049 km (0.104 R)
• M15: 7,524,773 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 10.8

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.95 AU - 1.17 AU

Year: 705 Days

Day: 9.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,835,097 km

• M1: 134,488 km (0.054 R)
• M2: 604,226 km (0.11 R)
• M3: 1,034,768 km (0.078 R)
• M4: 1,401,882 km (0.108 R)
• M5: 2,255,038 km (0.11 R)
• M6: 2,826,652 km (0.038 R)
• M7: 3,290,405 km (0.113 R)
• M8: 3,732,168 km (0.055 R)
• M9: 4,260,547 km (0.111 R)
• M10: 4,617,637 km (0.045 R)
• M11: 4,994,923 km (0.104 R)
• M12: 5,392,704 km (0.076 R)
• M13: 5,792,280 km (0.097 R)
• M14: 7,178,304 km (0.094 R)
• M15: 7,592,092 km (0.107 R)
• M16: 8,467,688 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 13

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.16 AU - 1.28 AU

Year: 870 Days

Day: 12.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,835,097 km

• M1: 161,715 km (0.098 R)
• M2: 740,809 km (0.068 R)
• M3: 1,158,636 km (0.115 R)
• M4: 1,639,293 km (0.095 R)
• M5: 2,381,149 km (0.094 R)
• M6: 2,855,375 km (0.118 R)
• M7: 3,406,493 km (0.036 R)
• M8: 3,873,538 km (0.084 R)
• M9: 4,812,713 km (0.108 R)
• M10: 5,980,324 km (0.054 R)
• M11: 6,708,567 km (0.099 R)
• M12: 7,304,864 km (0.099 R)
• M13: 8,188,539 km (0.078 R)
• M14: 9,060,096 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 9.1

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.3 AU - 1.84 AU

Year: 1270 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,835,097 km

• M1: 113,246 km (0.081 R)
• M2: 696,079 km (0.099 R)
• M3: 1,091,316 km (0.116 R)
• M4: 1,588,580 km (0.105 R)
• M5: 2,064,002 km (0.112 R)
• M6: 2,468,514 km (0.09 R)
• M7: 2,843,108 km (0.101 R)
• M8: 3,137,815 km (0.109 R)
• M9: 3,675,021 km (0.108 R)
• M10: 4,326,370 km (0.087 R)
• M11: 5,235,925 km (0.055 R)
• M12: 5,638,045 km (0.089 R)
• M13: 6,015,031 km (0.11 R)
• M14: 6,408,922 km (0.118 R)
• M15: 7,197,154 km (0.074 R)
• M16: 7,668,088 km (0.1 R)
• M17: 8,215,317 km (0.086 R)
• M18: 8,584,823 km (0.092 R)
• M19: 9,084,779 km (0.083 R)
• M20: 10,046,245 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.91 AU - 2.33 AU

Year: 1993 Days

Day: 11.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 85.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,835,097 km

• M1: 168,148 km (0.091 R)
• M2: 593,006 km (0.116 R)
• M3: 1,127,669 km (0.033 R)
• M4: 2,022,713 km (0.088 R)
• M5: 2,641,450 km (0.088 R)
• M6: 3,315,986 km (0.1 R)
• M7: 3,759,394 km (0.1 R)
• M8: 4,701,861 km (0.073 R)
• M9: 5,406,018 km (0.089 R)
• M10: 6,364,193 km (0.108 R)
• M11: 7,111,434 km (0.068 R)
• M12: 8,584,225 km (0.102 R)
• M13: 9,186,057 km (0.094 R)
• M14: 10,662,588 km (0.066 R)
• M15: 11,240,485 km (0.068 R)
• M16: 12,250,270 km (0.068 R)
• M17: 14,265,354 km (0.112 R)
• M18: 15,063,159 km (0.095 R)
• M19: 15,890,585 km (0.06 R)
• M20: 16,441,853 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.3

Radius: 7.7

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.43 AU - 8.29 AU

Year: 11601 Days

Day: 15.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,835,097 km

• M1: 95,743 km (0.07 R)
• M2: 375,341 km (0.075 R)
• M3: 832,662 km (0.119 R)
• M4: 1,867,131 km (0.062 R)
• M5: 2,147,178 km (0.082 R)
• M6: 2,832,187 km (0.104 R)
• M7: 3,203,938 km (0.105 R)
• M8: 3,822,226 km (0.082 R)
• M9: 4,910,251 km (0.104 R)
• M10: 5,479,022 km (0.06 R)
• M11: 5,827,884 km (0.099 R)
• M12: 6,191,557 km (0.08 R)
• M13: 7,839,377 km (0.118 R)
• M14: 8,658,276 km (0.119 R)
• M15: 9,852,366 km (0.101 R)
• M16: 10,854,373 km (0.073 R)
• M17: 12,563,828 km (0.098 R)
• M18: 14,505,159 km (0.086 R)
• M19: 15,359,662 km (0.111 R)
• M20: 16,769,772 km (0.061 R)
• M21: 19,187,722 km (0.118 R)
• M22: 20,442,100 km (0.098 R)
• M23: 27,543,212 km (0.105 R)
• M24: 28,756,600 km (0.111 R)
• M25: 30,791,580 km (0.093 R)
• M26: 31,692,459 km (0.09 R)
• M27: 35,471,750 km (0.113 R)
• M28: 35,909,473 km (0.081 R)
• M29: 36,240,084 km (0.078 R)
• M30: 38,266,387 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.9

Radius: 7.3

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 9.62 AU - 12.98 AU

Year: 24526 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,835,097 km

• M1: 97,837 km (0.119 R)
• M2: 608,415 km (0.087 R)
• M3: 889,359 km (0.076 R)
• M4: 1,545,047 km (0.053 R)
• M5: 1,896,452 km (0.116 R)
• M6: 2,277,628 km (0.118 R)
• M7: 2,812,141 km (0.11 R)
• M8: 4,094,793 km (0.051 R)
• M9: 5,856,009 km (0.12 R)
• M10: 8,785,285 km (0.104 R)
• M11: 10,659,895 km (0.076 R)
• M12: 17,857,498 km (0.051 R)
• M13: 21,343,577 km (0.051 R)
• M14: 23,245,714 km (0.099 R)
• M15: 25,028,921 km (0.035 R)
• M16: 28,865,508 km (0.05 R)
• M17: 30,140,381 km (0.113 R)
• M18: 32,257,639 km (0.105 R)
• M19: 33,909,349 km (0.112 R)
• M20: 35,041,207 km (0.041 R)
• M21: 36,052,040 km (0.097 R)
• M22: 37,830,160 km (0.105 R)
• M23: 40,290,596 km (0.102 R)
• M24: 46,385,213 km (0.113 R)
• M25: 50,285,379 km (0.075 R)
• M26: 53,444,886 km (0.05 R)
• M27: 54,783,488 km (0.117 R)
• M28: 57,527,412 km (0.1 R)
• M29: 58,529,120 km (0.118 R)
• M30: 59,135,739 km (0.08 R)
• M31: 60,980,879 km (0.083 R)
• M32: 63,500,107 km (0.097 R)
• M33: 65,217,641 km (0.078 R)
• M34: 74,271,902 km (0.059 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 17,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit