🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.51 AU - 0.73 AU

Year: 310 Days

Day: 36.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 164.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,441,956 km

• M1: 203,304 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.8

Radius: 9.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.82 AU - 1.14 AU

Year: 617 Days

Day: 6.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,441,956 km

• M1: 121,324 km (0.098 R)
• M2: 430,692 km (0.095 R)
• M3: 826,678 km (0.104 R)
• M4: 1,132,007 km (0.097 R)
• M5: 1,533,079 km (0.105 R)
• M6: 1,900,641 km (0.092 R)
• M7: 2,421,242 km (0.084 R)
• M8: 3,915,275 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.7

Radius: 15

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.52 AU - 1.9 AU

Year: 1422 Days

Day: 7.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,441,956 km

• M1: 186,549 km (0.104 R)
• M2: 695,630 km (0.085 R)
• M3: 1,700,180 km (0.107 R)
• M4: 2,167,823 km (0.102 R)
• M5: 2,772,198 km (0.049 R)
• M6: 3,713,019 km (0.092 R)
• M7: 4,446,647 km (0.107 R)
• M8: 5,256,121 km (0.119 R)
• M9: 5,842,096 km (0.113 R)
• M10: 6,494,044 km (0.073 R)
• M11: 7,267,016 km (0.059 R)
• M12: 7,790,459 km (0.118 R)
• M13: 8,392,590 km (0.06 R)
• M14: 10,141,539 km (0.063 R)
• M15: 10,796,628 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 9.3

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.43 AU - 2.13 AU

Year: 1510 Days

Day: 6.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,441,956 km

• M1: 116,387 km (0.042 R)
• M2: 433,983 km (0.111 R)
• M3: 828,174 km (0.109 R)
• M4: 1,140,534 km (0.041 R)
• M5: 1,637,049 km (0.06 R)
• M6: 1,936,395 km (0.12 R)
• M7: 3,491,166 km (0.11 R)
• M8: 4,047,969 km (0.105 R)
• M9: 4,425,105 km (0.064 R)
• M10: 4,887,961 km (0.1 R)
• M11: 5,653,902 km (0.062 R)
• M12: 6,523,066 km (0.046 R)
• M13: 6,858,015 km (0.115 R)
• M14: 7,451,021 km (0.077 R)
• M15: 8,314,350 km (0.088 R)
• M16: 8,647,056 km (0.066 R)
• M17: 9,469,096 km (0.089 R)
• M18: 9,798,810 km (0.099 R)
• M19: 11,415,365 km (0.086 R)
• M20: 12,209,580 km (0.061 R)
• M21: 12,521,791 km (0.082 R)
• M22: 13,080,688 km (0.113 R)
• M23: 13,739,816 km (0.09 R)
• M24: 14,077,608 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.7

Radius: 11.6

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.58 AU - 2.32 AU

Year: 1731 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,441,956 km

• M1: 144,212 km (0.093 R)
• M2: 675,584 km (0.117 R)
• M3: 1,065,137 km (0.083 R)
• M4: 1,916,349 km (0.106 R)
• M5: 2,286,903 km (0.09 R)
• M6: 3,042,521 km (0.083 R)
• M7: 4,208,936 km (0.036 R)
• M8: 4,986,097 km (0.089 R)
• M9: 6,749,407 km (0.037 R)
• M10: 8,270,369 km (0.071 R)
• M11: 8,774,364 km (0.066 R)
• M12: 10,309,088 km (0.109 R)
• M13: 10,788,699 km (0.086 R)
• M14: 13,253,623 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 10.4

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.54 AU - 3.32 AU

Year: 3189 Days

Day: 7.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,441,956 km

• M1: 129,402 km (0.032 R)
• M2: 513,719 km (0.067 R)
• M3: 951,592 km (0.091 R)
• M4: 1,431,652 km (0.048 R)
• M5: 2,151,068 km (0.108 R)
• M6: 2,577,721 km (0.053 R)
• M7: 2,973,258 km (0.098 R)
• M8: 4,954,382 km (0.06 R)
• M9: 7,428,581 km (0.102 R)
• M10: 8,165,800 km (0.114 R)
• M11: 8,768,380 km (0.046 R)
• M12: 9,707,855 km (0.052 R)
• M13: 10,754,890 km (0.098 R)
• M14: 11,348,943 km (0.098 R)
• M15: 12,556,497 km (0.077 R)
• M16: 12,977,466 km (0.091 R)
• M17: 13,311,368 km (0.12 R)
• M18: 15,278,131 km (0.112 R)
• M19: 16,029,113 km (0.069 R)
• M20: 16,636,330 km (0.079 R)
• M21: 17,604,977 km (0.067 R)
• M22: 18,310,929 km (0.082 R)
• M23: 19,654,168 km (0.112 R)
• M24: 20,736,210 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.8

Radius: 6.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.1 AU - 8.28 AU

Year: 12258 Days

Day: 15.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,441,956 km

• M1: 85,869 km (0.057 R)
• M2: 362,625 km (0.078 R)
• M3: 650,751 km (0.1 R)
• M4: 889,060 km (0.087 R)
• M5: 1,311,525 km (0.073 R)
• M6: 1,700,180 km (0.047 R)
• M7: 2,113,369 km (0.116 R)
• M8: 2,727,169 km (0.12 R)
• M9: 3,097,125 km (0.081 R)
• M10: 3,690,131 km (0.071 R)
• M11: 3,937,566 km (0.102 R)
• M12: 4,410,893 km (0.04 R)
• M13: 4,980,562 km (0.118 R)
• M14: 5,252,381 km (0.102 R)
• M15: 5,695,041 km (0.109 R)
• M16: 7,135,070 km (0.08 R)
• M17: 7,797,939 km (0.114 R)
• M18: 9,564,839 km (0.113 R)
• M19: 10,615,465 km (0.035 R)
• M20: 11,015,938 km (0.115 R)
• M21: 12,775,060 km (0.116 R)
• M22: 16,175,270 km (0.11 R)
• M23: 18,725,913 km (0.057 R)
• M24: 22,012,878 km (0.112 R)
• M25: 23,665,037 km (0.088 R)
• M26: 25,754,620 km (0.077 R)
• M27: 27,400,346 km (0.09 R)
• M28: 37,031,756 km (0.086 R)
• M29: 39,839,708 km (0.087 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 14,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit