🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 9.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.83 AU - 1.17 AU

Year: 667 Days

Day: 12.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,775,927 km

• M1: 122,969 km (0.108 R)
• M2: 452,534 km (0.05 R)
• M3: 1,032,674 km (0.105 R)
• M4: 1,402,330 km (0.11 R)
• M5: 2,518,331 km (0.08 R)
• M6: 3,200,796 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.7

Radius: 9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.26 AU - 1.7 AU

Year: 1201 Days

Day: 13.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,775,927 km

• M1: 112,049 km (0.07 R)
• M2: 404,812 km (0.119 R)
• M3: 895,792 km (0.081 R)
• M4: 1,203,066 km (0.039 R)
• M5: 1,745,807 km (0.053 R)
• M6: 2,039,019 km (0.081 R)
• M7: 2,332,380 km (0.055 R)
• M8: 3,444,940 km (0.061 R)
• M9: 4,805,383 km (0.114 R)
• M10: 5,686,813 km (0.086 R)
• M11: 6,717,692 km (0.051 R)
• M12: 7,158,408 km (0.04 R)
• M13: 7,868,250 km (0.045 R)
• M14: 8,149,494 km (0.115 R)
• M15: 9,061,592 km (0.067 R)
• M16: 9,658,039 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.1

Radius: 9.3

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.37 AU - 1.89 AU

Year: 1388 Days

Day: 14.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,775,927 km

• M1: 115,639 km (0.111 R)
• M2: 448,195 km (0.071 R)
• M3: 981,512 km (0.088 R)
• M4: 1,599,650 km (0.05 R)
• M5: 2,021,965 km (0.081 R)
• M6: 2,565,304 km (0.1 R)
• M7: 2,891,428 km (0.089 R)
• M8: 3,862,767 km (0.078 R)
• M9: 4,432,286 km (0.096 R)
• M10: 6,278,473 km (0.026 R)
• M11: 6,664,436 km (0.084 R)
• M12: 7,090,490 km (0.075 R)
• M13: 9,947,510 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 9.9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.43 AU - 2.25 AU

Year: 1664 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,775,927 km

• M1: 123,119 km (0.075 R)
• M2: 623,374 km (0.054 R)
• M3: 964,009 km (0.108 R)
• M4: 1,330,673 km (0.12 R)
• M5: 2,139,399 km (0.11 R)
• M6: 2,832,187 km (0.088 R)
• M7: 3,324,962 km (0.114 R)
• M8: 4,070,259 km (0.106 R)
• M9: 5,132,703 km (0.081 R)
• M10: 7,882,013 km (0.092 R)
• M11: 8,346,364 km (0.114 R)
• M12: 9,045,585 km (0.04 R)
• M13: 10,116,406 km (0.092 R)
• M14: 10,665,131 km (0.094 R)
• M15: 11,784,722 km (0.116 R)
• M16: 13,342,933 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 12.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.35 AU - 2.73 AU

Year: 2699 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,775,927 km

• M1: 150,495 km (0.113 R)
• M2: 623,225 km (0.096 R)
• M3: 1,389,465 km (0.119 R)
• M4: 1,793,230 km (0.092 R)
• M5: 2,288,847 km (0.08 R)
• M6: 2,673,912 km (0.072 R)
• M7: 3,577,483 km (0.047 R)
• M8: 4,081,778 km (0.104 R)
• M9: 5,301,449 km (0.067 R)
• M10: 7,020,179 km (0.093 R)
• M11: 7,726,281 km (0.105 R)
• M12: 8,510,473 km (0.045 R)
• M13: 9,313,814 km (0.095 R)
• M14: 9,819,754 km (0.098 R)
• M15: 10,450,907 km (0.071 R)
• M16: 11,258,885 km (0.067 R)
• M17: 11,833,341 km (0.117 R)
• M18: 12,999,457 km (0.069 R)
• M19: 14,196,539 km (0.076 R)
• M20: 14,958,441 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.4

Radius: 13.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.59 AU - 4.31 AU

Year: 5235 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,775,927 km

• M1: 166,502 km (0.086 R)
• M2: 580,290 km (0.116 R)
• M3: 1,059,602 km (0.058 R)
• M4: 1,493,585 km (0.088 R)
• M5: 1,940,584 km (0.069 R)
• M6: 2,430,965 km (0.108 R)
• M7: 2,949,920 km (0.095 R)
• M8: 3,624,607 km (0.098 R)
• M9: 4,306,474 km (0.107 R)
• M10: 5,419,632 km (0.064 R)
• M11: 6,192,604 km (0.115 R)
• M12: 6,779,776 km (0.083 R)
• M13: 7,887,847 km (0.086 R)
• M14: 8,881,476 km (0.113 R)
• M15: 11,206,676 km (0.079 R)
• M16: 11,615,078 km (0.047 R)
• M17: 14,068,633 km (0.096 R)
• M18: 14,544,503 km (0.095 R)
• M19: 17,266,287 km (0.057 R)
• M20: 18,810,885 km (0.071 R)
• M21: 21,332,507 km (0.093 R)
• M22: 25,214,871 km (0.108 R)
• M23: 27,118,803 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.9

Radius: 6.6

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.24 AU - 8.38 AU

Year: 13180 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,775,927 km

• M1: 88,861 km (0.092 R)
• M2: 344,823 km (0.11 R)
• M3: 654,491 km (0.104 R)
• M4: 1,013,526 km (0.082 R)
• M5: 1,312,273 km (0.045 R)
• M6: 2,686,927 km (0.093 R)
• M7: 3,341,568 km (0.117 R)
• M8: 3,833,745 km (0.078 R)
• M9: 4,499,754 km (0.109 R)
• M10: 5,827,735 km (0.075 R)
• M11: 6,540,269 km (0.098 R)
• M12: 10,994,995 km (0.085 R)
• M13: 11,710,372 km (0.112 R)
• M14: 14,111,418 km (0.103 R)
• M15: 15,833,439 km (0.096 R)
• M16: 20,123,158 km (0.12 R)
• M17: 20,652,734 km (0.088 R)
• M18: 21,464,751 km (0.058 R)
• M19: 22,485,757 km (0.115 R)
• M20: 31,373,516 km (0.082 R)
• M21: 40,224,474 km (0.068 R)
• M22: 46,352,900 km (0.111 R)
• M23: 54,255,408 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 426.1

Radius: 7.4

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.42 AU - 11.32 AU

Year: 22269 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,775,927 km

• M1: 95,892 km (0.081 R)
• M2: 440,416 km (0.089 R)
• M3: 737,368 km (0.066 R)
• M4: 973,433 km (0.063 R)
• M5: 1,388,867 km (0.096 R)
• M6: 1,638,246 km (0.114 R)
• M7: 2,879,460 km (0.101 R)
• M8: 3,209,622 km (0.093 R)
• M9: 4,289,569 km (0.101 R)
• M10: 6,699,441 km (0.051 R)
• M11: 12,593,747 km (0.117 R)
• M12: 13,064,980 km (0.061 R)
• M13: 14,993,746 km (0.049 R)
• M14: 17,934,391 km (0.06 R)
• M15: 19,674,065 km (0.115 R)
• M16: 20,217,105 km (0.101 R)
• M17: 22,587,932 km (0.079 R)
• M18: 24,613,487 km (0.118 R)
• M19: 25,563,284 km (0.073 R)
• M20: 30,802,501 km (0.088 R)
• M21: 31,045,298 km (0.087 R)
• M22: 33,415,676 km (0.051 R)
• M23: 34,318,649 km (0.037 R)
• M24: 39,220,672 km (0.113 R)
• M25: 39,792,585 km (0.113 R)
• M26: 40,080,561 km (0.12 R)
• M27: 48,066,993 km (0.053 R)
• M28: 51,230,988 km (0.077 R)
• M29: 53,124,897 km (0.117 R)
• M30: 56,323,748 km (0.071 R)
• M31: 57,970,372 km (0.107 R)
• M32: 65,477,342 km (0.073 R)
• M33: 69,358,659 km (0.096 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 12,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit