🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 13.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.51 AU - 0.77 AU

Year: 353 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 58,436,451 km

• M1: 165,605 km (0.114 R)
• M2: 587,471 km (0.11 R)
• M3: 1,151,305 km (0.104 R)
• M4: 2,432,611 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.5

Radius: 11.1

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.6 AU - 0.98 AU

Year: 485 Days

Day: 13.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 179.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,436,451 km

• M1: 138,228 km (0.082 R)
• M2: 527,931 km (0.067 R)
• M3: 886,966 km (0.104 R)
• M4: 1,256,921 km (0.095 R)
• M5: 1,992,344 km (0.045 R)
• M6: 2,372,173 km (0.081 R)
• M7: 3,141,256 km (0.097 R)
• M8: 3,789,015 km (0.08 R)
• M9: 4,392,493 km (0.059 R)
• M10: 5,433,843 km (0.089 R)
• M11: 5,897,298 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 8.2

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.72 AU - 0.96 AU

Year: 531 Days

Day: 8.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,436,451 km

• M1: 102,026 km (0.027 R)
• M2: 445,802 km (0.059 R)
• M3: 819,348 km (0.092 R)
• M4: 1,074,412 km (0.108 R)
• M5: 1,580,950 km (0.111 R)
• M6: 2,034,082 km (0.094 R)
• M7: 2,811,393 km (0.037 R)
• M8: 3,211,268 km (0.098 R)
• M9: 3,773,457 km (0.087 R)
• M10: 4,111,847 km (0.077 R)
• M11: 4,484,495 km (0.062 R)
• M12: 5,622,636 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 12.9

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.79 AU - 1.99 AU

Year: 1794 Days

Day: 8.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,436,451 km

• M1: 161,416 km (0.087 R)
• M2: 696,677 km (0.078 R)
• M3: 1,112,559 km (0.093 R)
• M4: 1,521,560 km (0.093 R)
• M5: 1,959,583 km (0.117 R)
• M6: 2,725,524 km (0.097 R)
• M7: 3,898,820 km (0.083 R)
• M8: 4,468,488 km (0.114 R)
• M9: 5,321,196 km (0.103 R)
• M10: 7,696,511 km (0.1 R)
• M11: 8,921,718 km (0.06 R)
• M12: 9,915,048 km (0.099 R)
• M13: 11,223,730 km (0.116 R)
• M14: 11,648,737 km (0.085 R)
• M15: 12,269,269 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 13.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.82 AU - 3.82 AU

Year: 5154 Days

Day: 13.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,436,451 km

• M1: 172,935 km (0.114 R)
• M2: 631,153 km (0.04 R)
• M3: 1,532,630 km (0.109 R)
• M4: 2,532,991 km (0.091 R)
• M5: 3,128,241 km (0.103 R)
• M6: 3,793,054 km (0.113 R)
• M7: 5,120,137 km (0.102 R)
• M8: 5,675,743 km (0.092 R)
• M9: 7,190,122 km (0.105 R)
• M10: 8,353,246 km (0.112 R)
• M11: 9,681,825 km (0.098 R)
• M12: 10,861,703 km (0.086 R)
• M13: 11,584,710 km (0.095 R)
• M14: 12,808,270 km (0.05 R)
• M15: 15,095,472 km (0.105 R)
• M16: 17,447,600 km (0.088 R)
• M17: 17,906,117 km (0.119 R)
• M18: 20,537,843 km (0.071 R)
• M19: 22,558,013 km (0.047 R)
• M20: 24,380,713 km (0.09 R)
• M21: 27,604,547 km (0.09 R)
• M22: 29,688,146 km (0.107 R)
• M23: 33,861,777 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.7

Radius: 9.6

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.36 AU - 4.44 AU

Year: 6371 Days

Day: 11.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,436,451 km

• M1: 122,820 km (0.095 R)
• M2: 602,580 km (0.118 R)
• M3: 1,097,450 km (0.099 R)
• M4: 1,425,967 km (0.051 R)
• M5: 1,750,145 km (0.032 R)
• M6: 2,076,418 km (0.045 R)
• M7: 3,159,657 km (0.092 R)
• M8: 3,464,986 km (0.111 R)
• M9: 3,862,318 km (0.088 R)
• M10: 4,289,869 km (0.099 R)
• M11: 5,210,494 km (0.073 R)
• M12: 5,576,261 km (0.09 R)
• M13: 7,176,958 km (0.057 R)
• M14: 7,553,645 km (0.093 R)
• M15: 8,264,834 km (0.108 R)
• M16: 8,977,069 km (0.115 R)
• M17: 10,380,447 km (0.097 R)
• M18: 11,159,403 km (0.069 R)
• M19: 11,872,536 km (0.085 R)
• M20: 12,943,657 km (0.049 R)
• M21: 13,730,841 km (0.087 R)
• M22: 15,587,201 km (0.108 R)
• M23: 17,402,720 km (0.116 R)
• M24: 17,946,359 km (0.113 R)
• M25: 19,718,346 km (0.116 R)
• M26: 20,760,145 km (0.098 R)
• M27: 21,294,509 km (0.086 R)
• M28: 23,034,183 km (0.088 R)
• M29: 23,524,564 km (0.106 R)
• M30: 29,388,651 km (0.097 R)
• M31: 33,483,444 km (0.096 R)
• M32: 36,378,462 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.8

Radius: 6.5

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.94 AU - 7.72 AU

Year: 10993 Days

Day: 17.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,436,451 km

• M1: 80,932 km (0.114 R)
• M2: 352,901 km (0.069 R)
• M3: 728,392 km (0.068 R)
• M4: 1,024,147 km (0.107 R)
• M5: 1,784,852 km (0.05 R)
• M6: 3,086,204 km (0.118 R)
• M7: 3,310,451 km (0.036 R)
• M8: 3,741,592 km (0.046 R)
• M9: 4,833,507 km (0.08 R)
• M10: 5,984,962 km (0.052 R)
• M11: 6,551,489 km (0.101 R)
• M12: 6,885,392 km (0.095 R)
• M13: 7,427,385 km (0.042 R)
• M14: 7,831,748 km (0.083 R)
• M15: 8,509,127 km (0.061 R)
• M16: 11,828,255 km (0.117 R)
• M17: 13,121,977 km (0.092 R)
• M18: 18,138,143 km (0.117 R)
• M19: 20,007,369 km (0.084 R)
• M20: 20,631,641 km (0.105 R)
• M21: 21,837,100 km (0.101 R)
• M22: 22,249,093 km (0.086 R)
• M23: 22,498,772 km (0.054 R)
• M24: 23,259,178 km (0.052 R)
• M25: 23,516,336 km (0.107 R)
• M26: 30,376,296 km (0.075 R)
• M27: 37,393,334 km (0.119 R)
• M28: 39,060,154 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.3

Radius: 4.8

Gravity: 14.86 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.97 AU - 11.29 AU

Year: 19042 Days

Day: 20.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,436,451 km

• M1: 65,823 km (0.089 R)
• M2: 939,325 km (0.03 R)
• M3: 1,341,145 km (0.078 R)
• M4: 1,498,223 km (0.067 R)
• M5: 1,748,799 km (0.114 R)
• M6: 2,968,919 km (0.073 R)
• M7: 3,237,747 km (0.088 R)
• M8: 3,908,992 km (0.105 R)
• M9: 6,081,901 km (0.088 R)
• M10: 8,652,591 km (0.12 R)
• M11: 9,509,637 km (0.05 R)
• M12: 9,985,508 km (0.088 R)
• M13: 13,572,416 km (0.098 R)
• M14: 15,219,788 km (0.071 R)
• M15: 27,444,029 km (0.101 R)
• M16: 37,450,181 km (0.099 R)
• M17: 40,250,055 km (0.063 R)
• M18: 42,051,513 km (0.069 R)
• M19: 46,562,487 km (0.104 R)
• M20: 46,713,132 km (0.101 R)
• M21: 49,012,152 km (0.095 R)
• M22: 52,193,500 km (0.083 R)
• M23: 55,171,844 km (0.112 R)
• M24: 55,848,775 km (0.066 R)
• M25: 56,189,259 km (0.109 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: 385 - 19,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit