🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 11.8

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.82 AU - 1.04 AU

Year: 630 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,418,920 km

• M1: 147,055 km (0.12 R)
• M2: 571,913 km (0.11 R)
• M3: 1,623,885 km (0.06 R)
• M4: 2,187,869 km (0.081 R)
• M5: 2,708,170 km (0.097 R)
• M6: 3,615,930 km (0.097 R)
• M7: 4,316,647 km (0.116 R)
• M8: 4,832,610 km (0.048 R)
• M9: 5,535,271 km (0.062 R)
• M10: 6,928,027 km (0.087 R)
• M11: 7,388,190 km (0.104 R)
• M12: 8,057,341 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.6

Radius: 14.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.79 AU - 1.19 AU

Year: 692 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,418,920 km

• M1: 185,352 km (0.119 R)
• M2: 679,474 km (0.108 R)
• M3: 1,212,491 km (0.082 R)
• M4: 1,755,980 km (0.045 R)
• M5: 2,307,996 km (0.109 R)
• M6: 3,196,308 km (0.111 R)
• M7: 3,784,078 km (0.041 R)
• M8: 4,930,895 km (0.102 R)
• M9: 5,552,624 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.6

Radius: 11.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.79 AU - 1.25 AU

Year: 724 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,418,920 km

• M1: 142,268 km (0.119 R)
• M2: 571,165 km (0.093 R)
• M3: 971,040 km (0.057 R)
• M4: 1,563,747 km (0.09 R)
• M5: 2,133,266 km (0.044 R)
• M6: 2,673,763 km (0.097 R)
• M7: 3,398,116 km (0.103 R)
• M8: 3,910,638 km (0.06 R)
• M9: 4,507,085 km (0.082 R)
• M10: 4,967,098 km (0.105 R)
• M11: 6,042,258 km (0.115 R)
• M12: 7,040,225 km (0.103 R)
• M13: 7,637,719 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 13.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.23 AU - 5.27 AU

Year: 6159 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,418,920 km

• M1: 166,951 km (0.029 R)
• M2: 681,568 km (0.063 R)
• M3: 1,196,484 km (0.114 R)
• M4: 1,898,098 km (0.108 R)
• M5: 3,380,164 km (0.038 R)
• M6: 5,347,226 km (0.092 R)
• M7: 5,856,906 km (0.065 R)
• M8: 6,311,235 km (0.078 R)
• M9: 6,819,718 km (0.077 R)
• M10: 7,650,435 km (0.057 R)
• M11: 8,837,345 km (0.072 R)
• M12: 11,012,498 km (0.116 R)
• M13: 12,339,132 km (0.117 R)
• M14: 12,851,504 km (0.118 R)
• M15: 13,523,947 km (0.071 R)
• M16: 14,219,876 km (0.075 R)
• M17: 15,846,005 km (0.096 R)
• M18: 22,828,485 km (0.104 R)
• M19: 23,389,178 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.6

Radius: 9.2

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.67 AU - 6.13 AU

Year: 8821 Days

Day: 8.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,418,920 km

• M1: 115,938 km (0.078 R)
• M2: 515,514 km (0.117 R)
• M3: 1,340,696 km (0.063 R)
• M4: 1,674,748 km (0.106 R)
• M5: 4,521,745 km (0.046 R)
• M6: 5,251,484 km (0.107 R)
• M7: 5,883,235 km (0.069 R)
• M8: 6,271,592 km (0.052 R)
• M9: 6,639,453 km (0.102 R)
• M10: 8,388,401 km (0.112 R)
• M11: 15,448,224 km (0.11 R)
• M12: 16,602,970 km (0.106 R)
• M13: 18,628,675 km (0.116 R)
• M14: 21,968,148 km (0.066 R)
• M15: 22,732,444 km (0.056 R)
• M16: 26,821,851 km (0.071 R)
• M17: 27,596,918 km (0.103 R)
• M18: 31,164,079 km (0.074 R)
• M19: 34,230,386 km (0.082 R)
• M20: 35,836,469 km (0.037 R)
• M21: 36,187,127 km (0.119 R)
• M22: 44,491,753 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.4

Radius: 4.2

Gravity: 38.91 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.28 AU - 8.98 AU

Year: 16295 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 129.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 66,418,920 km

• M1: 52,210 km (0.119 R)
• M2: 204,799 km (0.106 R)
• M3: 366,964 km (0.115 R)
• M4: 1,126,921 km (0.067 R)
• M5: 1,790,986 km (0.063 R)
• M6: 3,122,856 km (0.118 R)
• M7: 3,386,746 km (0.116 R)
• M8: 3,898,820 km (0.116 R)
• M9: 4,795,659 km (0.078 R)
• M10: 5,292,174 km (0.104 R)
• M11: 5,667,216 km (0.111 R)
• M12: 5,861,245 km (0.106 R)
• M13: 7,717,605 km (0.067 R)
• M14: 8,498,356 km (0.109 R)
• M15: 10,444,624 km (0.03 R)
• M16: 10,854,821 km (0.107 R)
• M17: 12,086,012 km (0.11 R)
• M18: 12,735,117 km (0.042 R)
• M19: 13,068,272 km (0.042 R)
• M20: 13,961,670 km (0.066 R)
• M21: 15,264,817 km (0.105 R)
• M22: 16,646,952 km (0.068 R)
• M23: 18,278,167 km (0.111 R)
• M24: 19,306,353 km (0.103 R)
• M25: 21,197,420 km (0.1 R)
• M26: 22,139,886 km (0.052 R)
• M27: 22,913,756 km (0.119 R)
• M28: 23,906,039 km (0.054 R)
• M29: 24,617,676 km (0.104 R)
• M30: 27,384,040 km (0.087 R)
• M31: 28,275,194 km (0.095 R)
• M32: 33,904,712 km (0.077 R)
• M33: 40,522,622 km (0.102 R)
• M34: 42,118,084 km (0.096 R)
• M35: 43,754,834 km (0.104 R)
• M36: 46,210,633 km (0.098 R)
• M37: 52,068,885 km (0.052 R)
• M38: 54,649,299 km (0.106 R)
• M39: 55,527,887 km (0.057 R)
• M40: 58,403,009 km (0.073 R)
• M41: 60,249,495 km (0.055 R)
• M42: 63,284,088 km (0.087 R)
• M43: 63,670,350 km (0.085 R)
• M44: 64,838,859 km (0.092 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 19,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit