🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144

Radius: 10.3

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.05 AU - 1.25 AU

Year: 796 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,375,366 km

• M1: 128,056 km (0.114 R)
• M2: 548,875 km (0.053 R)
• M3: 1,022,352 km (0.092 R)
• M4: 1,366,726 km (0.113 R)
• M5: 1,962,425 km (0.106 R)
• M6: 2,432,461 km (0.101 R)
• M7: 2,833,084 km (0.099 R)
• M8: 3,322,569 km (0.073 R)
• M9: 4,653,391 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.1

Radius: 8.3

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.02 AU - 1.52 AU

Year: 924 Days

Day: 11.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,375,366 km

• M1: 103,372 km (0.096 R)
• M2: 365,617 km (0.115 R)
• M3: 625,319 km (0.073 R)
• M4: 892,052 km (0.086 R)
• M5: 1,410,409 km (0.115 R)
• M6: 1,697,487 km (0.082 R)
• M7: 2,096,016 km (0.099 R)
• M8: 2,426,178 km (0.028 R)
• M9: 2,702,785 km (0.07 R)
• M10: 3,206,331 km (0.094 R)
• M11: 3,786,771 km (0.116 R)
• M12: 5,534,523 km (0.072 R)
• M13: 5,952,649 km (0.112 R)
• M14: 7,711,321 km (0.093 R)
• M15: 8,667,850 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 9.3

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.87 AU - 2.83 AU

Year: 2326 Days

Day: 9.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,375,366 km

• M1: 115,789 km (0.074 R)
• M2: 448,644 km (0.057 R)
• M3: 766,091 km (0.04 R)
• M4: 1,209,798 km (0.116 R)
• M5: 1,849,778 km (0.031 R)
• M6: 2,293,186 km (0.084 R)
• M7: 3,040,876 km (0.088 R)
• M8: 3,597,380 km (0.077 R)
• M9: 5,381,484 km (0.116 R)
• M10: 5,680,680 km (0.112 R)
• M11: 7,824,268 km (0.096 R)
• M12: 11,938,209 km (0.067 R)

Asteroid Belt

Center: 3.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 12.5

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.12 AU - 4.94 AU

Year: 6225 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,375,366 km

• M1: 156,779 km (0.081 R)
• M2: 771,626 km (0.107 R)
• M3: 1,437,187 km (0.08 R)
• M4: 2,576,375 km (0.102 R)
• M5: 3,081,267 km (0.064 R)
• M6: 3,693,721 km (0.081 R)
• M7: 4,176,623 km (0.035 R)
• M8: 4,602,827 km (0.117 R)
• M9: 5,163,371 km (0.041 R)
• M10: 5,913,454 km (0.072 R)
• M11: 6,671,467 km (0.086 R)
• M12: 7,290,203 km (0.12 R)
• M13: 7,875,879 km (0.116 R)
• M14: 14,433,951 km (0.05 R)
• M15: 14,864,493 km (0.046 R)
• M16: 16,149,988 km (0.096 R)
• M17: 18,560,608 km (0.101 R)
• M18: 19,134,316 km (0.118 R)
• M19: 19,984,032 km (0.099 R)
• M20: 24,538,240 km (0.099 R)
• M21: 25,855,299 km (0.073 R)
• M22: 26,732,242 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.9

Radius: 8.6

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.69 AU - 5.41 AU

Year: 7327 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 30,375,366 km

• M1: 107,561 km (0.115 R)
• M2: 441,015 km (0.109 R)
• M3: 924,066 km (0.106 R)
• M4: 1,260,960 km (0.105 R)
• M5: 1,774,081 km (0.066 R)
• M6: 2,286,155 km (0.099 R)
• M7: 2,667,928 km (0.103 R)
• M8: 3,298,932 km (0.101 R)
• M9: 4,099,430 km (0.117 R)
• M10: 5,549,782 km (0.079 R)
• M11: 6,080,256 km (0.104 R)
• M12: 6,851,134 km (0.12 R)
• M13: 7,648,042 km (0.071 R)
• M14: 8,147,250 km (0.084 R)
• M15: 8,999,359 km (0.049 R)
• M16: 10,690,413 km (0.101 R)
• M17: 11,314,685 km (0.068 R)
• M18: 11,710,821 km (0.096 R)
• M19: 13,116,442 km (0.104 R)
• M20: 16,010,712 km (0.027 R)
• M21: 16,763,937 km (0.026 R)
• M22: 17,149,302 km (0.113 R)
• M23: 17,474,976 km (0.107 R)
• M24: 18,340,998 km (0.066 R)
• M25: 19,445,778 km (0.106 R)
• M26: 20,594,391 km (0.103 R)
• M27: 21,110,803 km (0.057 R)
• M28: 25,054,352 km (0.093 R)
• M29: 26,413,299 km (0.075 R)
• M30: 30,784,399 km (0.073 R)
• M31: 33,040,186 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.6

Radius: 11.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.08 AU - 5.32 AU

Year: 7656 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,375,366 km

• M1: 146,905 km (0.049 R)
• M2: 596,447 km (0.105 R)
• M3: 976,724 km (0.113 R)
• M4: 1,789,639 km (0.103 R)
• M5: 2,699,942 km (0.097 R)
• M6: 4,295,852 km (0.108 R)
• M7: 4,778,306 km (0.105 R)
• M8: 6,724,275 km (0.114 R)
• M9: 7,489,767 km (0.112 R)
• M10: 7,913,279 km (0.111 R)
• M11: 8,393,637 km (0.118 R)
• M12: 9,193,986 km (0.104 R)
• M13: 9,725,358 km (0.095 R)
• M14: 10,418,145 km (0.117 R)
• M15: 12,006,127 km (0.076 R)
• M16: 14,682,433 km (0.036 R)
• M17: 15,470,813 km (0.054 R)
• M18: 19,842,213 km (0.097 R)
• M19: 20,283,227 km (0.101 R)
• M20: 22,987,059 km (0.113 R)
• M21: 23,719,490 km (0.072 R)
• M22: 29,957,273 km (0.084 R)
• M23: 32,022,621 km (0.113 R)
• M24: 35,028,790 km (0.032 R)
• M25: 36,216,597 km (0.028 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.3

Radius: 5.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.62 AU - 6.76 AU

Year: 9944 Days

Day: 16.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,375,366 km

• M1: 111,301 km (0.069 R)
• M2: 480,658 km (0.075 R)
• M3: 1,141,432 km (0.043 R)
• M4: 1,327,382 km (0.104 R)
• M5: 4,382,320 km (0.102 R)
• M6: 4,817,351 km (0.106 R)
• M7: 5,654,650 km (0.053 R)
• M8: 7,155,416 km (0.034 R)
• M9: 10,377,305 km (0.095 R)
• M10: 12,006,576 km (0.094 R)
• M11: 17,274,216 km (0.074 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: 431 - 19,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit