🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.7

Radius: 9.7

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.63 AU - 0.83 AU

Year: 416 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,199,564 km

• M1: 120,875 km (0.073 R)
• M2: 477,068 km (0.1 R)
• M3: 1,004,550 km (0.074 R)
• M4: 1,372,860 km (0.117 R)
• M5: 1,846,935 km (0.09 R)
• M6: 2,254,141 km (0.093 R)
• M7: 2,620,506 km (0.062 R)
• M8: 3,204,985 km (0.04 R)
• M9: 3,559,233 km (0.112 R)
• M10: 4,488,983 km (0.059 R)
• M11: 4,918,479 km (0.084 R)
• M12: 5,375,500 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.5

Radius: 8.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.64 AU - 0.9 AU

Year: 451 Days

Day: 7.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,199,564 km

• M1: 105,317 km (0.108 R)
• M2: 376,239 km (0.099 R)
• M3: 833,410 km (0.081 R)
• M4: 1,104,930 km (0.068 R)
• M5: 1,506,899 km (0.092 R)
• M6: 2,159,296 km (0.062 R)
• M7: 2,494,245 km (0.082 R)
• M8: 3,725,735 km (0.116 R)
• M9: 4,210,133 km (0.055 R)
• M10: 4,693,035 km (0.053 R)
• M11: 5,120,586 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 8.7

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.17 AU - 3.13 AU

Year: 2877 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,199,564 km

• M1: 115,190 km (0.078 R)
• M2: 463,454 km (0.091 R)
• M3: 1,389,016 km (0.12 R)
• M4: 2,055,026 km (0.092 R)
• M5: 2,405,534 km (0.088 R)
• M6: 3,834,493 km (0.091 R)
• M7: 4,818,099 km (0.118 R)
• M8: 5,250,885 km (0.068 R)
• M9: 6,706,473 km (0.112 R)
• M10: 7,452,667 km (0.11 R)
• M11: 8,478,310 km (0.081 R)
• M12: 9,110,062 km (0.026 R)
• M13: 10,097,557 km (0.073 R)
• M14: 10,655,258 km (0.09 R)
• M15: 11,430,474 km (0.114 R)
• M16: 17,997,521 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.6

Radius: 11.3

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.92 AU - 4.04 AU

Year: 4329 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,199,564 km

• M1: 140,472 km (0.098 R)
• M2: 632,051 km (0.111 R)
• M3: 1,107,323 km (0.059 R)
• M4: 1,604,138 km (0.12 R)
• M5: 2,778,930 km (0.038 R)
• M6: 3,133,178 km (0.089 R)
• M7: 3,624,158 km (0.071 R)
• M8: 4,531,918 km (0.098 R)
• M9: 5,731,244 km (0.073 R)
• M10: 6,662,940 km (0.079 R)
• M11: 7,029,006 km (0.079 R)
• M12: 9,350,017 km (0.106 R)
• M13: 9,767,395 km (0.063 R)
• M14: 10,729,309 km (0.117 R)
• M15: 14,376,655 km (0.095 R)
• M16: 17,935,887 km (0.085 R)
• M17: 20,055,988 km (0.116 R)
• M18: 22,264,202 km (0.032 R)
• M19: 22,709,705 km (0.09 R)
• M20: 23,541,768 km (0.047 R)
• M21: 26,656,246 km (0.11 R)
• M22: 27,074,522 km (0.085 R)
• M23: 27,924,088 km (0.093 R)
• M24: 30,216,227 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.1

Radius: 5.2

Gravity: 27.96 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.62 AU - 6.3 AU

Year: 9703 Days

Day: 22.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,199,564 km

• M1: 64,776 km (0.051 R)
• M2: 356,941 km (0.073 R)
• M3: 566,976 km (0.1 R)
• M4: 777,759 km (0.111 R)
• M5: 1,247,197 km (0.108 R)
• M6: 2,252,196 km (0.037 R)
• M7: 2,746,318 km (0.085 R)
• M8: 3,309,554 km (0.088 R)
• M9: 3,480,245 km (0.116 R)
• M10: 3,656,920 km (0.072 R)
• M11: 5,630,415 km (0.083 R)
• M12: 7,080,766 km (0.094 R)
• M13: 7,365,152 km (0.091 R)
• M14: 9,091,362 km (0.057 R)
• M15: 10,695,500 km (0.066 R)
• M16: 12,016,150 km (0.07 R)
• M17: 13,014,865 km (0.074 R)
• M18: 15,042,814 km (0.092 R)
• M19: 16,271,461 km (0.064 R)
• M20: 17,054,307 km (0.084 R)
• M21: 17,491,731 km (0.069 R)
• M22: 18,694,947 km (0.113 R)
• M23: 22,459,876 km (0.094 R)
• M24: 22,809,337 km (0.117 R)
• M25: 23,608,938 km (0.099 R)
• M26: 27,588,391 km (0.075 R)
• M27: 29,008,374 km (0.087 R)
• M28: 32,769,713 km (0.114 R)
• M29: 36,362,006 km (0.097 R)
• M30: 37,086,359 km (0.109 R)
• M31: 39,316,864 km (0.036 R)
• M32: 39,824,449 km (0.061 R)
• M33: 41,242,787 km (0.105 R)
• M34: 43,096,155 km (0.087 R)
• M35: 43,365,431 km (0.077 R)
• M36: 45,142,803 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.8

Radius: 7.7

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.05 AU - 7.49 AU

Year: 10470 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,199,564 km

• M1: 95,743 km (0.037 R)
• M2: 427,700 km (0.085 R)
• M3: 728,990 km (0.111 R)
• M4: 1,365,081 km (0.11 R)
• M5: 1,619,247 km (0.104 R)
• M6: 1,920,238 km (0.101 R)
• M7: 2,275,533 km (0.067 R)
• M8: 2,712,658 km (0.112 R)
• M9: 3,034,443 km (0.038 R)
• M10: 3,682,950 km (0.119 R)
• M11: 4,233,919 km (0.109 R)
• M12: 4,556,901 km (0.11 R)
• M13: 4,925,360 km (0.058 R)
• M14: 5,851,820 km (0.079 R)
• M15: 6,926,232 km (0.098 R)
• M16: 7,725,384 km (0.104 R)
• M17: 9,596,853 km (0.107 R)
• M18: 11,699,451 km (0.072 R)
• M19: 12,175,472 km (0.1 R)
• M20: 13,110,009 km (0.114 R)
• M21: 14,935,851 km (0.092 R)
• M22: 16,924,755 km (0.096 R)
• M23: 18,795,626 km (0.109 R)
• M24: 20,800,238 km (0.078 R)
• M25: 24,536,594 km (0.076 R)
• M26: 25,229,232 km (0.111 R)
• M27: 27,200,782 km (0.043 R)
• M28: 28,602,365 km (0.1 R)
• M29: 28,984,288 km (0.066 R)
• M30: 32,264,820 km (0.09 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: 458 - 16,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit