🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 10.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.64 AU - 1.04 AU

Year: 497 Days

Day: 10.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 27,325,254 km

• M1: 130,599 km (0.083 R)
• M2: 533,167 km (0.077 R)
• M3: 940,522 km (0.063 R)
• M4: 1,907,223 km (0.074 R)
• M5: 2,844,753 km (0.087 R)
• M6: 3,461,695 km (0.111 R)
• M7: 4,320,087 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 12.9

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.5 AU - 2.12 AU

Year: 1572 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,325,254 km

• M1: 161,865 km (0.098 R)
• M2: 571,165 km (0.079 R)
• M3: 1,105,528 km (0.064 R)
• M4: 1,555,668 km (0.12 R)
• M5: 1,962,874 km (0.043 R)
• M6: 2,759,333 km (0.116 R)
• M7: 3,710,476 km (0.034 R)
• M8: 5,161,575 km (0.086 R)
• M9: 5,736,480 km (0.115 R)
• M10: 6,477,438 km (0.105 R)
• M11: 6,910,225 km (0.117 R)
• M12: 7,665,544 km (0.109 R)
• M13: 8,963,007 km (0.079 R)
• M14: 10,062,102 km (0.063 R)
• M15: 10,997,388 km (0.104 R)
• M16: 11,615,527 km (0.055 R)
• M17: 12,103,665 km (0.059 R)
• M18: 13,445,557 km (0.116 R)
• M19: 14,322,650 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 11.3

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.99 AU - 2.19 AU

Year: 1951 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,325,254 km

• M1: 141,220 km (0.117 R)
• M2: 532,419 km (0.046 R)
• M3: 930,648 km (0.101 R)
• M4: 1,421,030 km (0.108 R)
• M5: 2,180,239 km (0.101 R)
• M6: 2,652,370 km (0.091 R)
• M7: 3,841,673 km (0.108 R)
• M8: 4,577,246 km (0.107 R)
• M9: 5,103,083 km (0.112 R)
• M10: 5,547,538 km (0.117 R)
• M11: 6,870,282 km (0.116 R)
• M12: 7,984,786 km (0.099 R)
• M13: 8,392,590 km (0.11 R)
• M14: 8,880,429 km (0.11 R)
• M15: 9,318,601 km (0.105 R)
• M16: 10,384,785 km (0.106 R)
• M17: 12,011,662 km (0.108 R)
• M18: 13,492,232 km (0.118 R)
• M19: 14,026,745 km (0.067 R)
• M20: 15,233,701 km (0.119 R)
• M21: 16,208,181 km (0.039 R)
• M22: 17,589,119 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.5

Radius: 11.2

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.49 AU - 3.37 AU

Year: 3238 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,325,254 km

• M1: 139,575 km (0.106 R)
• M2: 527,332 km (0.115 R)
• M3: 993,330 km (0.107 R)
• M4: 1,371,812 km (0.05 R)
• M5: 1,778,569 km (0.1 R)
• M6: 2,763,222 km (0.104 R)
• M7: 4,162,112 km (0.082 R)
• M8: 4,637,534 km (0.086 R)
• M9: 5,077,053 km (0.093 R)
• M10: 5,493,683 km (0.084 R)
• M11: 5,959,830 km (0.101 R)
• M12: 7,550,055 km (0.056 R)
• M13: 11,549,255 km (0.104 R)
• M14: 12,186,093 km (0.059 R)
• M15: 12,846,268 km (0.065 R)
• M16: 13,207,996 km (0.088 R)
• M17: 14,142,235 km (0.033 R)
• M18: 16,194,418 km (0.079 R)
• M19: 16,884,812 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.2

Radius: 13.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3 AU - 4.32 AU

Year: 4521 Days

Day: 11.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,325,254 km

• M1: 169,644 km (0.037 R)
• M2: 1,893,909 km (0.03 R)
• M3: 2,664,338 km (0.047 R)
• M4: 3,594,238 km (0.089 R)
• M5: 4,067,417 km (0.107 R)
• M6: 5,036,063 km (0.061 R)
• M7: 5,716,135 km (0.104 R)
• M8: 6,612,375 km (0.118 R)
• M9: 7,634,877 km (0.12 R)
• M10: 8,760,302 km (0.097 R)
• M11: 11,751,810 km (0.093 R)
• M12: 15,647,488 km (0.043 R)
• M13: 18,071,872 km (0.051 R)
• M14: 26,592,966 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 10.7

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.4 AU - 5.44 AU

Year: 7046 Days

Day: 14 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,325,254 km

• M1: 141,370 km (0.092 R)
• M2: 495,019 km (0.094 R)
• M3: 841,787 km (0.046 R)
• M4: 1,973,794 km (0.111 R)
• M5: 2,614,073 km (0.104 R)
• M6: 2,974,454 km (0.075 R)
• M7: 3,507,172 km (0.104 R)
• M8: 4,616,740 km (0.109 R)
• M9: 4,991,483 km (0.108 R)
• M10: 5,717,780 km (0.106 R)
• M11: 6,451,857 km (0.059 R)
• M12: 7,380,561 km (0.091 R)
• M13: 8,880,578 km (0.09 R)
• M14: 9,265,943 km (0.104 R)
• M15: 10,111,619 km (0.097 R)
• M16: 12,474,368 km (0.111 R)
• M17: 12,860,480 km (0.105 R)
• M18: 14,538,370 km (0.054 R)
• M19: 15,347,545 km (0.117 R)
• M20: 16,996,562 km (0.086 R)
• M21: 18,139,191 km (0.055 R)
• M22: 20,310,454 km (0.109 R)
• M23: 23,736,694 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 11.8

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.02 AU - 6.54 AU

Year: 7834 Days

Day: 10.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,325,254 km

• M1: 146,756 km (0.065 R)
• M2: 561,291 km (0.1 R)
• M3: 1,233,883 km (0.078 R)
• M4: 1,697,786 km (0.032 R)
• M5: 2,262,668 km (0.105 R)
• M6: 2,639,954 km (0.099 R)
• M7: 3,059,576 km (0.119 R)
• M8: 3,605,608 km (0.057 R)
• M9: 4,285,381 km (0.118 R)
• M10: 6,376,609 km (0.081 R)
• M11: 7,271,504 km (0.059 R)
• M12: 7,854,337 km (0.111 R)
• M13: 8,579,887 km (0.119 R)
• M14: 9,509,039 km (0.085 R)
• M15: 11,521,130 km (0.054 R)
• M16: 12,410,191 km (0.109 R)
• M17: 13,094,002 km (0.084 R)
• M18: 13,958,080 km (0.067 R)
• M19: 15,856,178 km (0.108 R)
• M20: 16,837,689 km (0.07 R)
• M21: 17,373,549 km (0.095 R)
• M22: 17,798,107 km (0.077 R)
• M23: 20,762,988 km (0.07 R)
• M24: 21,657,284 km (0.104 R)
• M25: 25,415,033 km (0.103 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 19,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit