🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 15

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.61 AU - 0.69 AU

Year: 362 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,260,991 km

• M1: 187,446 km (0.032 R)
• M2: 673,639 km (0.054 R)
• M3: 1,174,792 km (0.065 R)
• M4: 1,671,607 km (0.092 R)
• M5: 2,164,980 km (0.117 R)
• M6: 2,657,457 km (0.083 R)
• M7: 3,169,680 km (0.119 R)
• M8: 4,327,717 km (0.099 R)
• M9: 5,151,851 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 11.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.41 AU - 1.95 AU

Year: 1503 Days

Day: 14.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,260,991 km

• M1: 144,212 km (0.061 R)
• M2: 509,979 km (0.112 R)
• M3: 923,617 km (0.096 R)
• M4: 1,419,534 km (0.085 R)
• M5: 1,875,957 km (0.102 R)
• M6: 2,633,072 km (0.112 R)
• M7: 3,149,035 km (0.09 R)
• M8: 4,183,056 km (0.051 R)
• M9: 5,051,023 km (0.035 R)
• M10: 5,408,861 km (0.088 R)
• M11: 5,783,454 km (0.075 R)
• M12: 6,246,459 km (0.077 R)
• M13: 6,885,392 km (0.066 R)
• M14: 8,974,825 km (0.035 R)
• M15: 9,628,568 km (0.093 R)
• M16: 10,147,822 km (0.092 R)
• M17: 10,927,077 km (0.084 R)
• M18: 12,151,237 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 9.6

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.69 AU - 1.93 AU

Year: 1681 Days

Day: 8.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,260,991 km

• M1: 119,379 km (0.066 R)
• M2: 437,275 km (0.112 R)
• M3: 1,031,178 km (0.06 R)
• M4: 1,747,902 km (0.091 R)
• M5: 2,342,852 km (0.113 R)
• M6: 2,740,184 km (0.096 R)
• M7: 3,039,230 km (0.082 R)
• M8: 4,157,624 km (0.114 R)
• M9: 5,637,147 km (0.038 R)
• M10: 7,259,685 km (0.115 R)
• M11: 7,729,872 km (0.042 R)
• M12: 10,522,415 km (0.068 R)
• M13: 11,892,582 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.2

Radius: 9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.41 AU - 2.65 AU

Year: 2778 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,260,991 km

• M1: 151,842 km (0.103 R)
• M2: 1,055,413 km (0.08 R)
• M3: 1,413,700 km (0.085 R)
• M4: 1,973,794 km (0.109 R)
• M5: 2,316,373 km (0.116 R)
• M6: 2,628,285 km (0.081 R)
• M7: 3,678,163 km (0.103 R)
• M8: 5,528,988 km (0.115 R)
• M9: 6,645,137 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 9.4

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.51 AU - 3.57 AU

Year: 4597 Days

Day: 13.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,260,991 km

• M1: 116,836 km (0.084 R)
• M2: 451,786 km (0.116 R)
• M3: 1,443,171 km (0.102 R)
• M4: 1,820,606 km (0.111 R)
• M5: 3,347,552 km (0.079 R)
• M6: 3,682,202 km (0.097 R)
• M7: 5,822,648 km (0.038 R)
• M8: 6,215,642 km (0.117 R)
• M9: 6,626,288 km (0.044 R)
• M10: 7,224,680 km (0.114 R)
• M11: 9,077,150 km (0.111 R)
• M12: 11,134,270 km (0.118 R)
• M13: 14,445,320 km (0.086 R)
• M14: 15,796,488 km (0.117 R)
• M15: 17,664,217 km (0.084 R)
• M16: 21,261,448 km (0.117 R)
• M17: 23,081,156 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.3

Radius: 9.6

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.1 AU - 4.52 AU

Year: 5133 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,260,991 km

• M1: 119,529 km (0.051 R)
• M2: 426,204 km (0.033 R)
• M3: 937,829 km (0.05 R)
• M4: 1,419,085 km (0.095 R)
• M5: 1,817,764 km (0.047 R)
• M6: 2,149,871 km (0.1 R)
• M7: 2,556,927 km (0.076 R)
• M8: 4,518,454 km (0.119 R)
• M9: 4,914,140 km (0.118 R)
• M10: 5,775,226 km (0.083 R)
• M11: 7,145,692 km (0.063 R)
• M12: 7,869,446 km (0.057 R)
• M13: 8,210,829 km (0.106 R)
• M14: 9,336,403 km (0.117 R)
• M15: 10,024,254 km (0.026 R)
• M16: 10,884,442 km (0.105 R)
• M17: 12,443,252 km (0.103 R)
• M18: 12,803,184 km (0.08 R)
• M19: 14,708,163 km (0.063 R)
• M20: 17,045,481 km (0.099 R)
• M21: 17,941,721 km (0.094 R)
• M22: 19,139,851 km (0.062 R)
• M23: 26,275,968 km (0.084 R)
• M24: 26,698,732 km (0.069 R)
• M25: 28,524,125 km (0.068 R)
• M26: 30,153,844 km (0.104 R)
• M27: 30,524,249 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.9

Radius: 10.5

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.66 AU - 4.96 AU

Year: 7282 Days

Day: 13.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,260,991 km

• M1: 131,796 km (0.067 R)
• M2: 480,359 km (0.062 R)
• M3: 878,439 km (0.087 R)
• M4: 1,225,805 km (0.118 R)
• M5: 1,606,083 km (0.116 R)
• M6: 2,629,033 km (0.111 R)
• M7: 3,815,793 km (0.041 R)
• M8: 5,246,397 km (0.073 R)
• M9: 5,873,212 km (0.074 R)
• M10: 6,613,423 km (0.116 R)
• M11: 7,484,082 km (0.097 R)
• M12: 8,130,495 km (0.062 R)
• M13: 8,658,725 km (0.111 R)
• M14: 9,129,360 km (0.107 R)
• M15: 9,741,813 km (0.099 R)
• M16: 11,369,887 km (0.119 R)
• M17: 12,867,661 km (0.116 R)
• M18: 14,657,300 km (0.116 R)
• M19: 15,669,031 km (0.084 R)
• M20: 17,894,299 km (0.1 R)
• M21: 19,847,150 km (0.048 R)
• M22: 20,254,056 km (0.088 R)
• M23: 21,296,005 km (0.072 R)
• M24: 24,171,725 km (0.082 R)
• M25: 24,636,077 km (0.072 R)
• M26: 26,717,133 km (0.098 R)
• M27: 29,086,613 km (0.11 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: 429 - 12,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit