🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 9.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.6 AU - 0.96 AU

Year: 476 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,922,536 km

• M1: 115,789 km (0.105 R)
• M2: 478,264 km (0.097 R)
• M3: 799,451 km (0.12 R)
• M4: 1,148,612 km (0.113 R)
• M5: 1,449,753 km (0.103 R)
• M6: 1,739,075 km (0.089 R)
• M7: 2,401,046 km (0.065 R)
• M8: 2,711,461 km (0.102 R)
• M9: 3,211,268 km (0.108 R)
• M10: 4,491,975 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.3

Radius: 13.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.81 AU - 0.85 AU

Year: 522 Days

Day: 9.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,922,536 km

• M1: 171,738 km (0.056 R)
• M2: 642,224 km (0.061 R)
• M3: 1,164,470 km (0.068 R)
• M4: 1,671,906 km (0.112 R)
• M5: 2,160,343 km (0.086 R)
• M6: 3,535,446 km (0.084 R)
• M7: 4,048,717 km (0.112 R)
• M8: 5,043,094 km (0.049 R)
• M9: 6,213,398 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.1

Radius: 8.6

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.19 AU - 1.39 AU

Year: 1011 Days

Day: 8.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,922,536 km

• M1: 107,561 km (0.105 R)
• M2: 487,091 km (0.086 R)
• M3: 1,028,635 km (0.058 R)
• M4: 1,321,697 km (0.094 R)
• M5: 1,751,941 km (0.035 R)
• M6: 2,040,964 km (0.1 R)
• M7: 2,741,830 km (0.08 R)
• M8: 3,107,297 km (0.092 R)
• M9: 3,920,212 km (0.094 R)
• M10: 4,794,462 km (0.075 R)
• M11: 5,132,254 km (0.094 R)
• M12: 5,607,527 km (0.035 R)
• M13: 6,286,402 km (0.094 R)
• M14: 6,760,926 km (0.072 R)
• M15: 7,090,341 km (0.111 R)
• M16: 7,405,992 km (0.075 R)
• M17: 8,329,011 km (0.05 R)
• M18: 8,818,495 km (0.105 R)
• M19: 9,471,490 km (0.09 R)
• M20: 10,217,535 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.2

Radius: 13.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.09 AU - 2.29 AU

Year: 2237 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,922,536 km

• M1: 162,912 km (0.101 R)
• M2: 674,387 km (0.044 R)
• M3: 1,095,954 km (0.085 R)
• M4: 1,568,534 km (0.095 R)
• M5: 2,066,545 km (0.086 R)
• M6: 2,540,471 km (0.089 R)
• M7: 3,006,768 km (0.104 R)
• M8: 3,459,301 km (0.086 R)
• M9: 4,074,896 km (0.119 R)
• M10: 4,828,720 km (0.114 R)
• M11: 5,381,634 km (0.111 R)
• M12: 6,922,641 km (0.096 R)
• M13: 8,641,222 km (0.074 R)
• M14: 10,477,536 km (0.062 R)
• M15: 12,434,276 km (0.115 R)
• M16: 13,973,788 km (0.105 R)
• M17: 16,490,921 km (0.03 R)
• M18: 17,059,842 km (0.058 R)
• M19: 18,346,683 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 13.5

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.02 AU - 3.88 AU

Year: 4423 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 69.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,922,536 km

• M1: 168,597 km (0.078 R)
• M2: 836,850 km (0.074 R)
• M3: 1,491,341 km (0.102 R)
• M4: 2,068,939 km (0.098 R)
• M5: 3,683,848 km (0.044 R)
• M6: 5,327,180 km (0.1 R)
• M7: 5,971,349 km (0.112 R)
• M8: 7,904,901 km (0.106 R)
• M9: 9,750,640 km (0.098 R)
• M10: 11,302,867 km (0.068 R)
• M11: 12,970,584 km (0.116 R)
• M12: 13,412,047 km (0.102 R)
• M13: 15,036,680 km (0.095 R)
• M14: 15,921,701 km (0.104 R)
• M15: 16,633,937 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.9

Radius: 3.4

Gravity: 59.33 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.77 AU - 9.33 AU

Year: 14320 Days

Day: 17.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,922,536 km

• M1: 44,730 km (0.085 R)
• M2: 166,951 km (0.045 R)
• M3: 301,141 km (0.102 R)
• M4: 606,021 km (0.111 R)
• M5: 763,847 km (0.116 R)
• M6: 1,137,243 km (0.113 R)
• M7: 1,336,208 km (0.066 R)
• M8: 1,573,620 km (0.108 R)
• M9: 2,290,343 km (0.12 R)
• M10: 2,435,154 km (0.114 R)
• M11: 3,737,553 km (0.037 R)
• M12: 3,997,405 km (0.096 R)
• M13: 4,268,925 km (0.037 R)
• M14: 6,084,893 km (0.098 R)
• M15: 6,691,363 km (0.067 R)
• M16: 7,790,160 km (0.109 R)
• M17: 9,260,707 km (0.081 R)
• M18: 9,628,717 km (0.109 R)
• M19: 9,897,545 km (0.065 R)
• M20: 12,168,141 km (0.057 R)
• M21: 13,590,817 km (0.082 R)
• M22: 13,860,991 km (0.074 R)
• M23: 14,411,810 km (0.118 R)
• M24: 16,761,544 km (0.03 R)
• M25: 19,185,029 km (0.112 R)
• M26: 24,314,591 km (0.099 R)
• M27: 26,872,864 km (0.111 R)
• M28: 27,944,583 km (0.117 R)
• M29: 29,155,877 km (0.083 R)
• M30: 35,613,269 km (0.117 R)
• M31: 41,107,550 km (0.068 R)
• M32: 43,396,398 km (0.086 R)
• M33: 55,434,389 km (0.091 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 16,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit