🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 10.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.38 AU - 1.68 AU

Year: 1306 Days

Day: 13 Hours

Environment

Temp: -202 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,889,397 km

• M1: 129,851 km (0.033 R)
• M2: 987,047 km (0.096 R)
• M3: 1,383,631 km (0.113 R)
• M4: 1,845,439 km (0.087 R)
• M5: 2,448,468 km (0.091 R)
• M6: 2,874,972 km (0.07 R)
• M7: 4,250,973 km (0.079 R)
• M8: 4,854,451 km (0.092 R)
• M9: 5,514,028 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.2

Radius: 12.7

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.43 AU - 2.05 AU

Year: 1584 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 63.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,889,397 km

• M1: 157,975 km (0.119 R)
• M2: 771,027 km (0.047 R)
• M3: 1,180,776 km (0.092 R)
• M4: 1,711,400 km (0.03 R)
• M5: 2,275,384 km (0.068 R)
• M6: 3,065,859 km (0.082 R)
• M7: 3,781,834 km (0.112 R)
• M8: 4,198,913 km (0.111 R)
• M9: 5,257,168 km (0.032 R)
• M10: 5,731,992 km (0.064 R)
• M11: 6,536,529 km (0.109 R)
• M12: 7,810,505 km (0.07 R)
• M13: 8,988,289 km (0.092 R)
• M14: 9,603,435 km (0.091 R)
• M15: 10,211,850 km (0.099 R)
• M16: 12,785,980 km (0.026 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.8

Radius: 13.6

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.04 AU - 2.34 AU

Year: 2237 Days

Day: 5.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,889,397 km

• M1: 169,345 km (0.084 R)
• M2: 909,555 km (0.099 R)
• M3: 1,353,262 km (0.084 R)
• M4: 1,880,744 km (0.066 R)
• M5: 2,558,572 km (0.049 R)
• M6: 3,016,192 km (0.117 R)
• M7: 3,461,695 km (0.085 R)
• M8: 3,896,725 km (0.117 R)
• M9: 4,899,480 km (0.082 R)
• M10: 5,450,748 km (0.072 R)
• M11: 8,571,659 km (0.084 R)
• M12: 9,210,442 km (0.118 R)
• M13: 9,710,099 km (0.075 R)
• M14: 10,298,317 km (0.061 R)
• M15: 11,057,676 km (0.091 R)
• M16: 11,738,047 km (0.072 R)
• M17: 12,246,680 km (0.082 R)
• M18: 13,266,190 km (0.077 R)
• M19: 13,732,486 km (0.114 R)
• M20: 14,430,061 km (0.079 R)
• M21: 15,801,873 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 10.3

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.58 AU - 2.68 AU

Year: 2944 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,889,397 km

• M1: 128,205 km (0.108 R)
• M2: 454,030 km (0.067 R)
• M3: 971,638 km (0.088 R)
• M4: 1,349,522 km (0.092 R)
• M5: 1,790,238 km (0.113 R)
• M6: 2,131,919 km (0.05 R)
• M7: 2,457,444 km (0.105 R)
• M8: 3,337,678 km (0.111 R)
• M9: 3,680,556 km (0.119 R)
• M10: 4,110,501 km (0.094 R)
• M11: 4,806,580 km (0.104 R)
• M12: 5,170,701 km (0.12 R)
• M13: 5,579,253 km (0.092 R)
• M14: 7,058,776 km (0.079 R)
• M15: 12,139,867 km (0.114 R)
• M16: 12,956,522 km (0.055 R)
• M17: 13,906,468 km (0.069 R)
• M18: 16,813,005 km (0.098 R)
• M19: 17,428,152 km (0.032 R)
• M20: 18,232,689 km (0.111 R)
• M21: 19,061,761 km (0.091 R)
• M22: 19,915,815 km (0.08 R)
• M23: 20,478,153 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 9.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.08 AU - 3.34 AU

Year: 3970 Days

Day: 12.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,889,397 km

• M1: 121,922 km (0.101 R)
• M2: 441,314 km (0.1 R)
• M3: 854,353 km (0.109 R)
• M4: 1,550,432 km (0.056 R)
• M5: 2,676,904 km (0.081 R)
• M6: 3,226,676 km (0.096 R)
• M7: 3,983,941 km (0.106 R)
• M8: 6,026,999 km (0.08 R)
• M9: 7,249,363 km (0.038 R)
• M10: 9,336,852 km (0.114 R)
• M11: 10,050,135 km (0.116 R)
• M12: 11,903,054 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 11.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.79 AU - 4.43 AU

Year: 4734 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,889,397 km

• M1: 138,079 km (0.101 R)
• M2: 533,466 km (0.08 R)
• M3: 986,149 km (0.095 R)
• M4: 1,389,465 km (0.115 R)
• M5: 1,903,783 km (0.092 R)
• M6: 2,991,658 km (0.093 R)
• M7: 3,415,319 km (0.115 R)
• M8: 4,338,787 km (0.105 R)
• M9: 5,033,669 km (0.117 R)
• M10: 5,447,906 km (0.058 R)
• M11: 7,017,187 km (0.062 R)
• M12: 9,320,995 km (0.117 R)
• M13: 10,108,927 km (0.043 R)
• M14: 13,122,276 km (0.059 R)
• M15: 15,962,242 km (0.088 R)
• M16: 16,575,743 km (0.116 R)
• M17: 18,755,534 km (0.066 R)
• M18: 19,126,237 km (0.074 R)
• M19: 19,564,858 km (0.101 R)
• M20: 20,462,446 km (0.07 R)
• M21: 22,477,678 km (0.052 R)
• M22: 22,826,092 km (0.079 R)
• M23: 24,109,941 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.7

Radius: 3.6

Gravity: 61.4 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.88 AU - 7.36 AU

Year: 10451 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,889,397 km

• M1: 44,879 km (0.081 R)
• M2: 209,437 km (0.07 R)
• M3: 484,847 km (0.09 R)
• M4: 761,453 km (0.082 R)
• M5: 1,207,404 km (0.119 R)
• M6: 2,011,343 km (0.108 R)
• M7: 2,483,773 km (0.073 R)
• M8: 3,488,772 km (0.089 R)
• M9: 3,941,006 km (0.066 R)
• M10: 7,334,484 km (0.062 R)
• M11: 7,895,028 km (0.038 R)
• M12: 9,696,635 km (0.106 R)
• M13: 10,692,508 km (0.051 R)
• M14: 12,341,076 km (0.077 R)
• M15: 15,291,146 km (0.102 R)
• M16: 18,057,061 km (0.071 R)
• M17: 24,553,199 km (0.109 R)
• M18: 42,015,908 km (0.118 R)
• M19: 44,495,044 km (0.07 R)
• M20: 44,917,509 km (0.026 R)
• M21: 50,349,557 km (0.095 R)
• M22: 50,808,224 km (0.099 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 15,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit