🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.5

Radius: 13.9

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.68 AU - 0.82 AU

Year: 426 Days

Day: 5.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,488,957 km

• M1: 173,085 km (0.119 R)
• M2: 621,878 km (0.074 R)
• M3: 1,131,110 km (0.118 R)
• M4: 1,785,600 km (0.119 R)
• M5: 2,269,998 km (0.103 R)
• M6: 3,006,169 km (0.106 R)
• M7: 3,675,021 km (0.05 R)
• M8: 4,755,716 km (0.113 R)
• M9: 5,685,018 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.1

Radius: 8.4

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.08 AU - 2.18 AU

Year: 2039 Days

Day: 10.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,488,957 km

• M1: 104,569 km (0.096 R)
• M2: 609,462 km (0.118 R)
• M3: 1,315,713 km (0.091 R)
• M4: 1,776,624 km (0.079 R)
• M5: 2,709,367 km (0.094 R)
• M6: 3,275,595 km (0.033 R)
• M7: 4,560,491 km (0.119 R)
• M8: 4,832,011 km (0.099 R)
• M9: 9,189,049 km (0.106 R)
• M10: 11,809,854 km (0.053 R)
• M11: 13,018,456 km (0.045 R)
• M12: 14,665,229 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.7

Radius: 9.1

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.57 AU - 2.69 AU

Year: 2798 Days

Day: 14.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,488,957 km

• M1: 113,246 km (0.099 R)
• M2: 841,638 km (0.107 R)
• M3: 1,179,430 km (0.103 R)
• M4: 2,750,207 km (0.061 R)
• M5: 3,201,843 km (0.101 R)
• M6: 4,720,262 km (0.083 R)
• M7: 6,524,861 km (0.119 R)
• M8: 6,964,529 km (0.094 R)
• M9: 7,838,180 km (0.096 R)
• M10: 8,540,094 km (0.099 R)
• M11: 11,350,140 km (0.118 R)
• M12: 12,336,140 km (0.071 R)
• M13: 15,584,657 km (0.1 R)
• M14: 16,639,173 km (0.101 R)
• M15: 17,074,054 km (0.115 R)
• M16: 17,684,413 km (0.083 R)
• M17: 19,965,930 km (0.096 R)
• M18: 20,333,642 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.4

Radius: 5.9

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.34 AU - 6.76 AU

Year: 10997 Days

Day: 24.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,488,957 km

• M1: 73,453 km (0.062 R)
• M2: 319,541 km (0.052 R)
• M3: 543,339 km (0.032 R)
• M4: 779,555 km (0.103 R)
• M5: 1,377,647 km (0.044 R)
• M6: 1,855,762 km (0.083 R)
• M7: 2,043,208 km (0.046 R)
• M8: 2,664,039 km (0.068 R)
• M9: 3,267,666 km (0.118 R)
• M10: 3,758,946 km (0.103 R)
• M11: 5,156,040 km (0.068 R)
• M12: 5,657,642 km (0.026 R)
• M13: 6,904,690 km (0.106 R)
• M14: 7,204,933 km (0.12 R)
• M15: 7,671,678 km (0.083 R)
• M16: 8,409,196 km (0.09 R)
• M17: 8,882,523 km (0.086 R)
• M18: 10,854,373 km (0.097 R)
• M19: 11,056,180 km (0.111 R)
• M20: 13,677,733 km (0.099 R)
• M21: 14,820,811 km (0.058 R)
• M22: 15,511,055 km (0.087 R)
• M23: 16,156,869 km (0.12 R)
• M24: 16,553,004 km (0.032 R)
• M25: 17,364,423 km (0.046 R)
• M26: 18,344,140 km (0.058 R)
• M27: 22,306,987 km (0.1 R)
• M28: 22,797,968 km (0.101 R)
• M29: 28,206,529 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.5

Radius: 7.3

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.88 AU - 9.66 AU

Year: 14208 Days

Day: 19.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,488,957 km

• M1: 90,956 km (0.089 R)
• M2: 387,907 km (0.078 R)
• M3: 634,295 km (0.113 R)
• M4: 1,486,704 km (0.099 R)
• M5: 4,801,792 km (0.12 R)
• M6: 12,506,681 km (0.072 R)
• M7: 12,832,805 km (0.069 R)
• M8: 14,765,160 km (0.115 R)
• M9: 15,649,882 km (0.111 R)
• M10: 16,182,002 km (0.082 R)
• M11: 22,279,910 km (0.029 R)
• M12: 29,520,896 km (0.117 R)
• M13: 42,285,783 km (0.119 R)
• M14: 42,725,900 km (0.091 R)
• M15: 43,466,110 km (0.066 R)
• M16: 44,516,586 km (0.077 R)
• M17: 46,512,372 km (0.107 R)
• M18: 51,677,836 km (0.079 R)
• M19: 55,618,095 km (0.098 R)
• M20: 58,655,979 km (0.052 R)
• M21: 59,386,465 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.8

Radius: 5.5

Gravity: 30.41 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.64 AU - 10.68 AU

Year: 16718 Days

Day: 15.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 125.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,488,957 km

• M1: 68,366 km (0.117 R)
• M2: 259,702 km (0.101 R)
• M3: 539,600 km (0.089 R)
• M4: 1,046,587 km (0.109 R)
• M5: 1,827,637 km (0.099 R)
• M6: 2,285,407 km (0.093 R)
• M7: 2,767,261 km (0.097 R)
• M8: 3,124,352 km (0.108 R)
• M9: 3,426,090 km (0.105 R)
• M10: 4,249,477 km (0.116 R)
• M11: 4,760,204 km (0.116 R)
• M12: 5,701,025 km (0.11 R)
• M13: 11,022,970 km (0.089 R)
• M14: 11,400,704 km (0.038 R)
• M15: 12,049,360 km (0.045 R)
• M16: 13,278,307 km (0.082 R)
• M17: 14,891,271 km (0.075 R)
• M18: 15,352,781 km (0.091 R)
• M19: 17,043,685 km (0.1 R)
• M20: 18,150,410 km (0.117 R)
• M21: 26,256,670 km (0.079 R)
• M22: 29,019,294 km (0.06 R)
• M23: 31,089,280 km (0.051 R)
• M24: 31,969,663 km (0.05 R)
• M25: 44,970,167 km (0.112 R)
• M26: 45,450,077 km (0.102 R)
• M27: 58,587,612 km (0.041 R)
• M28: 64,684,025 km (0.073 R)
• M29: 66,530,212 km (0.097 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: 242 - 15,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit