🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.8

Radius: 10

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.58 AU - 0.8 AU

Year: 403 Days

Day: 13.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,937,716 km

• M1: 124,316 km (0.083 R)
• M2: 550,071 km (0.064 R)
• M3: 868,116 km (0.053 R)
• M4: 1,181,973 km (0.069 R)
• M5: 2,044,405 km (0.082 R)
• M6: 2,896,813 km (0.075 R)
• M7: 3,745,781 km (0.114 R)
• M8: 4,116,335 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.2

Radius: 9.3

Gravity: 10.96 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.66 AU - 1.88 AU

Year: 1655 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,937,716 km

• M1: 115,639 km (0.058 R)
• M2: 654,491 km (0.028 R)
• M3: 1,042,398 km (0.12 R)
• M4: 1,459,178 km (0.106 R)
• M5: 1,840,054 km (0.074 R)
• M6: 3,014,846 km (0.042 R)
• M7: 3,889,545 km (0.03 R)
• M8: 5,576,410 km (0.107 R)
• M9: 6,009,197 km (0.106 R)
• M10: 6,464,274 km (0.104 R)
• M11: 7,217,798 km (0.041 R)
• M12: 7,968,929 km (0.112 R)
• M13: 8,394,385 km (0.115 R)
• M14: 8,771,073 km (0.11 R)
• M15: 10,039,214 km (0.116 R)
• M16: 10,937,549 km (0.119 R)
• M17: 11,578,426 km (0.069 R)
• M18: 13,737,722 km (0.035 R)
• M19: 14,041,705 km (0.045 R)
• M20: 15,395,865 km (0.063 R)
• M21: 15,771,206 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.5

Radius: 10.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.59 AU - 2.45 AU

Year: 2018 Days

Day: 8.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,937,716 km

• M1: 135,685 km (0.114 R)
• M2: 608,115 km (0.11 R)
• M3: 1,031,777 km (0.08 R)
• M4: 1,974,692 km (0.097 R)
• M5: 3,349,197 km (0.066 R)
• M6: 3,962,249 km (0.048 R)
• M7: 4,562,885 km (0.096 R)
• M8: 5,744,409 km (0.056 R)
• M9: 6,646,185 km (0.081 R)
• M10: 7,933,923 km (0.102 R)
• M11: 8,415,329 km (0.108 R)
• M12: 9,078,496 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115

Radius: 10.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.7 AU - 3.88 AU

Year: 5186 Days

Day: 14 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,937,716 km

• M1: 165,306 km (0.078 R)
• M2: 1,009,636 km (0.074 R)
• M3: 2,003,863 km (0.077 R)
• M4: 2,964,132 km (0.069 R)
• M5: 3,418,461 km (0.059 R)
• M6: 5,646,871 km (0.091 R)
• M7: 8,933,985 km (0.119 R)
• M8: 9,435,886 km (0.06 R)
• M9: 10,134,358 km (0.099 R)
• M10: 10,942,187 km (0.112 R)
• M11: 14,470,752 km (0.087 R)
• M12: 15,304,909 km (0.049 R)
• M13: 17,018,403 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.7

Radius: 6.5

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.19 AU - 8.57 AU

Year: 12685 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,937,716 km

• M1: 80,783 km (0.087 R)
• M2: 784,641 km (0.095 R)
• M3: 1,188,106 km (0.087 R)
• M4: 1,504,057 km (0.101 R)
• M5: 2,864,799 km (0.092 R)
• M6: 3,547,714 km (0.091 R)
• M7: 6,164,180 km (0.109 R)
• M8: 6,413,710 km (0.108 R)
• M9: 8,121,668 km (0.073 R)
• M10: 10,577,168 km (0.04 R)
• M11: 11,760,487 km (0.099 R)
• M12: 13,580,495 km (0.034 R)
• M13: 15,225,922 km (0.091 R)
• M14: 17,162,616 km (0.063 R)
• M15: 17,880,386 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.7

Radius: 3.1

Gravity: 31.08 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.33 AU - 8.43 AU

Year: 14093 Days

Day: 22.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,937,716 km

• M1: 56,997 km (0.059 R)
• M2: 376,987 km (0.058 R)
• M3: 661,821 km (0.116 R)
• M4: 2,204,175 km (0.079 R)
• M5: 6,165,676 km (0.068 R)
• M6: 6,494,492 km (0.072 R)
• M7: 7,551,102 km (0.08 R)
• M8: 7,884,855 km (0.031 R)
• M9: 10,298,766 km (0.11 R)
• M10: 14,203,271 km (0.069 R)
• M11: 14,647,277 km (0.089 R)
• M12: 23,149,523 km (0.087 R)
• M13: 24,842,073 km (0.097 R)
• M14: 27,581,659 km (0.12 R)
• M15: 29,789,574 km (0.091 R)
• M16: 40,553,290 km (0.088 R)
• M17: 42,872,805 km (0.063 R)
• M18: 43,532,532 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.6

Radius: 4.6

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.28 AU - 12.12 AU

Year: 21236 Days

Day: 22.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,937,716 km

• M1: 57,894 km (0.101 R)
• M2: 230,680 km (0.109 R)
• M3: 441,164 km (0.03 R)
• M4: 731,384 km (0.107 R)
• M5: 1,458,878 km (0.053 R)
• M6: 2,009,847 km (0.102 R)
• M7: 2,516,984 km (0.109 R)
• M8: 2,711,013 km (0.082 R)
• M9: 4,271,318 km (0.046 R)
• M10: 5,002,254 km (0.053 R)
• M11: 5,666,319 km (0.059 R)
• M12: 8,816,251 km (0.115 R)
• M13: 9,520,708 km (0.109 R)
• M14: 10,099,951 km (0.111 R)
• M15: 10,425,625 km (0.045 R)
• M16: 12,778,501 km (0.062 R)
• M17: 14,212,396 km (0.104 R)
• M18: 15,822,668 km (0.114 R)
• M19: 16,114,533 km (0.097 R)
• M20: 16,634,086 km (0.07 R)
• M21: 17,088,266 km (0.056 R)
• M22: 19,069,839 km (0.102 R)
• M23: 19,651,027 km (0.11 R)
• M24: 21,376,339 km (0.113 R)
• M25: 23,387,982 km (0.081 R)
• M26: 26,329,674 km (0.088 R)
• M27: 33,410,590 km (0.093 R)
• M28: 35,733,845 km (0.087 R)
• M29: 36,871,088 km (0.066 R)
• M30: 38,556,009 km (0.088 R)
• M31: 40,291,494 km (0.053 R)
• M32: 41,800,188 km (0.063 R)
• M33: 42,218,015 km (0.113 R)
• M34: 48,979,240 km (0.077 R)
• M35: 56,937,698 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 14,635 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit