🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.3

Radius: 14.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.01 AU - 1.01 AU

Year: 655 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 78,682,828 km

• M1: 218,263 km (0.111 R)
• M2: 1,363,884 km (0.105 R)
• M3: 2,712,359 km (0.112 R)
• M4: 3,430,429 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.5

Radius: 9.2

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.94 AU - 5.14 AU

Year: 7306 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,682,828 km

• M1: 119,529 km (0.116 R)
• M2: 452,683 km (0.119 R)
• M3: 1,031,029 km (0.091 R)
• M4: 1,452,147 km (0.078 R)
• M5: 2,333,577 km (0.086 R)
• M6: 3,068,252 km (0.106 R)
• M7: 3,489,520 km (0.119 R)
• M8: 4,286,577 km (0.101 R)
• M9: 4,960,516 km (0.085 R)
• M10: 6,169,715 km (0.052 R)
• M11: 6,625,390 km (0.091 R)
• M12: 9,706,658 km (0.115 R)
• M13: 10,372,368 km (0.075 R)
• M14: 10,716,443 km (0.056 R)
• M15: 11,272,648 km (0.091 R)
• M16: 12,775,209 km (0.084 R)
• M17: 15,336,026 km (0.089 R)
• M18: 20,359,073 km (0.093 R)
• M19: 22,659,440 km (0.074 R)
• M20: 23,914,716 km (0.104 R)
• M21: 25,039,692 km (0.091 R)
• M22: 26,563,496 km (0.057 R)
• M23: 27,301,462 km (0.091 R)
• M24: 28,915,174 km (0.093 R)
• M25: 29,401,666 km (0.106 R)
• M26: 29,992,727 km (0.099 R)
• M27: 30,291,175 km (0.076 R)
• M28: 30,792,927 km (0.119 R)
• M29: 39,595,116 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.4

Radius: 11.2

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.47 AU - 6.39 AU

Year: 8170 Days

Day: 14.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,682,828 km

• M1: 140,323 km (0.111 R)
• M2: 675,734 km (0.069 R)
• M3: 1,285,195 km (0.084 R)
• M4: 2,108,133 km (0.069 R)
• M5: 2,514,740 km (0.101 R)
• M6: 5,001,356 km (0.073 R)
• M7: 6,049,887 km (0.119 R)
• M8: 6,879,856 km (0.11 R)
• M9: 8,356,537 km (0.096 R)
• M10: 9,787,590 km (0.037 R)
• M11: 10,886,835 km (0.118 R)
• M12: 13,480,863 km (0.113 R)
• M13: 15,111,779 km (0.119 R)
• M14: 16,577,987 km (0.082 R)
• M15: 19,079,413 km (0.057 R)
• M16: 20,790,364 km (0.106 R)
• M17: 22,245,054 km (0.054 R)
• M18: 24,666,595 km (0.039 R)
• M19: 25,901,675 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.5

Radius: 4.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.51 AU - 11.05 AU

Year: 18253 Days

Day: 16.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,682,828 km

• M1: 68,516 km (0.067 R)
• M2: 261,647 km (0.086 R)
• M3: 416,331 km (0.049 R)
• M4: 1,742,366 km (0.074 R)
• M5: 3,091,141 km (0.057 R)
• M6: 3,340,820 km (0.099 R)
• M7: 4,714,577 km (0.076 R)
• M8: 4,961,413 km (0.115 R)
• M9: 14,358,553 km (0.057 R)
• M10: 16,013,704 km (0.038 R)
• M11: 16,446,640 km (0.064 R)
• M12: 18,728,457 km (0.083 R)
• M13: 22,189,254 km (0.116 R)
• M14: 22,727,058 km (0.091 R)
• M15: 23,116,461 km (0.036 R)
• M16: 25,883,872 km (0.118 R)
• M17: 26,394,001 km (0.089 R)
• M18: 27,434,604 km (0.052 R)
• M19: 30,530,831 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.4

Radius: 3.6

Gravity: 54.43 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.6 AU - 10.61 AU

Year: 20725 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,682,828 km

• M1: 60,138 km (0.094 R)
• M2: 217,515 km (0.118 R)
• M3: 417,677 km (0.05 R)
• M4: 645,964 km (0.115 R)
• M5: 772,972 km (0.099 R)
• M6: 976,874 km (0.114 R)
• M7: 1,091,616 km (0.091 R)
• M8: 1,771,089 km (0.076 R)
• M9: 2,063,553 km (0.074 R)
• M10: 3,027,711 km (0.105 R)
• M11: 3,416,367 km (0.087 R)
• M12: 3,622,812 km (0.057 R)
• M13: 8,687,298 km (0.117 R)
• M14: 9,071,764 km (0.096 R)
• M15: 12,565,473 km (0.114 R)
• M16: 12,774,611 km (0.109 R)
• M17: 12,985,993 km (0.08 R)
• M18: 17,806,485 km (0.103 R)
• M19: 18,247,499 km (0.032 R)
• M20: 19,895,918 km (0.09 R)
• M21: 21,146,257 km (0.119 R)
• M22: 22,448,058 km (0.112 R)
• M23: 22,652,858 km (0.082 R)
• M24: 23,590,387 km (0.093 R)
• M25: 25,878,038 km (0.047 R)
• M26: 29,152,287 km (0.036 R)
• M27: 29,641,472 km (0.035 R)
• M28: 30,888,370 km (0.037 R)
• M29: 32,955,513 km (0.075 R)
• M30: 35,112,864 km (0.043 R)
• M31: 37,076,336 km (0.077 R)
• M32: 39,408,268 km (0.111 R)
• M33: 42,302,388 km (0.074 R)
• M34: 52,545,654 km (0.05 R)
• M35: 54,923,512 km (0.091 R)
• M36: 57,563,166 km (0.112 R)
• M37: 59,499,711 km (0.077 R)
• M38: 60,880,798 km (0.095 R)
• M39: 68,537,217 km (0.057 R)
• M40: 69,618,660 km (0.086 R)
• M41: 71,151,739 km (0.111 R)
• M42: 78,447,179 km (0.037 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 16,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit