🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 11.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.84 AU - 0.86 AU

Year: 532 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,948,707 km

• M1: 139,575 km (0.112 R)
• M2: 506,538 km (0.109 R)
• M3: 1,014,423 km (0.044 R)
• M4: 1,446,462 km (0.062 R)
• M5: 1,846,636 km (0.118 R)
• M6: 2,254,590 km (0.114 R)
• M7: 2,685,282 km (0.11 R)
• M8: 3,202,442 km (0.072 R)
• M9: 3,691,028 km (0.112 R)
• M10: 4,384,714 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.1

Radius: 9.9

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.84 AU - 1.18 AU

Year: 688 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,948,707 km

• M1: 123,119 km (0.112 R)
• M2: 480,209 km (0.095 R)
• M3: 799,152 km (0.039 R)
• M4: 1,151,604 km (0.089 R)
• M5: 1,601,296 km (0.054 R)
• M6: 2,088,685 km (0.048 R)
• M7: 2,399,699 km (0.112 R)
• M8: 3,608,450 km (0.11 R)
• M9: 4,182,457 km (0.07 R)
• M10: 4,664,611 km (0.073 R)
• M11: 5,006,442 km (0.051 R)
• M12: 5,438,631 km (0.108 R)
• M13: 6,378,105 km (0.099 R)
• M14: 7,240,836 km (0.102 R)
• M15: 7,794,498 km (0.063 R)
• M16: 8,277,400 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 13.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.22 AU - 1.68 AU

Year: 1184 Days

Day: 10.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,948,707 km

• M1: 172,935 km (0.034 R)
• M2: 864,825 km (0.088 R)
• M3: 2,054,428 km (0.118 R)
• M4: 2,833,982 km (0.058 R)
• M5: 3,573,893 km (0.085 R)
• M6: 4,136,381 km (0.092 R)
• M7: 5,091,264 km (0.106 R)
• M8: 5,825,939 km (0.098 R)
• M9: 6,981,433 km (0.039 R)
• M10: 7,507,868 km (0.03 R)
• M11: 8,134,983 km (0.116 R)
• M12: 8,615,042 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 8.1

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.54 AU - 1.68 AU

Year: 1386 Days

Day: 13 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,948,707 km

• M1: 101,577 km (0.092 R)
• M2: 467,793 km (0.113 R)
• M3: 869,463 km (0.099 R)
• M4: 1,135,747 km (0.083 R)
• M5: 1,424,172 km (0.11 R)
• M6: 1,889,122 km (0.069 R)
• M7: 2,380,401 km (0.074 R)
• M8: 2,662,992 km (0.082 R)
• M9: 3,009,610 km (0.106 R)
• M10: 3,992,618 km (0.093 R)
• M11: 4,650,848 km (0.095 R)
• M12: 5,075,407 km (0.071 R)
• M13: 5,462,566 km (0.054 R)
• M14: 5,717,182 km (0.03 R)
• M15: 7,037,084 km (0.119 R)
• M16: 7,728,525 km (0.118 R)
• M17: 8,719,910 km (0.105 R)
• M18: 9,793,574 km (0.055 R)
• M19: 10,298,168 km (0.106 R)
• M20: 10,886,237 km (0.097 R)
• M21: 11,600,567 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.1

Radius: 9.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.73 AU - 2.15 AU

Year: 1833 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 14,948,707 km

• M1: 120,127 km (0.112 R)
• M2: 738,415 km (0.118 R)
• M3: 1,391,559 km (0.111 R)
• M4: 1,891,665 km (0.075 R)
• M5: 3,099,369 km (0.077 R)
• M6: 3,412,327 km (0.115 R)
• M7: 4,383,966 km (0.093 R)
• M8: 6,839,315 km (0.1 R)
• M9: 7,992,117 km (0.081 R)
• M10: 10,092,172 km (0.07 R)
• M11: 10,573,578 km (0.069 R)
• M12: 10,998,286 km (0.079 R)
• M13: 13,582,439 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 11

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.2 AU - 3.24 AU

Year: 3919 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,948,707 km

• M1: 145,409 km (0.094 R)
• M2: 767,886 km (0.119 R)
• M3: 1,148,912 km (0.09 R)
• M4: 1,497,325 km (0.102 R)
• M5: 2,137,006 km (0.058 R)
• M6: 3,053,143 km (0.072 R)
• M7: 3,737,852 km (0.095 R)
• M8: 5,038,606 km (0.116 R)
• M9: 5,438,481 km (0.098 R)
• M10: 6,050,635 km (0.067 R)
• M11: 8,031,610 km (0.063 R)
• M12: 10,531,840 km (0.114 R)
• M13: 11,188,126 km (0.087 R)
• M14: 12,223,642 km (0.091 R)
• M15: 13,846,629 km (0.066 R)
• M16: 14,836,070 km (0.107 R)
• M17: 20,628,649 km (0.108 R)
• M18: 21,074,002 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.5

Radius: 14.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.74 AU - 5.82 AU

Year: 8229 Days

Day: 13.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 14,948,707 km

• M1: 175,478 km (0.101 R)
• M2: 675,135 km (0.1 R)
• M3: 2,336,868 km (0.102 R)
• M4: 2,814,235 km (0.12 R)
• M5: 3,584,365 km (0.118 R)
• M6: 4,740,906 km (0.105 R)
• M7: 5,452,842 km (0.047 R)
• M8: 6,200,981 km (0.059 R)
• M9: 8,776,309 km (0.113 R)
• M10: 9,575,311 km (0.03 R)
• M11: 10,666,179 km (0.088 R)
• M12: 11,733,111 km (0.109 R)
• M13: 16,195,765 km (0.06 R)
• M14: 17,398,382 km (0.1 R)
• M15: 18,516,776 km (0.12 R)
• M16: 19,460,289 km (0.114 R)
• M17: 20,742,194 km (0.116 R)
• M18: 21,601,185 km (0.11 R)
• M19: 22,240,715 km (0.115 R)
• M20: 26,437,385 km (0.117 R)
• M21: 32,054,635 km (0.034 R)
• M22: 34,812,920 km (0.1 R)
• M23: 35,914,858 km (0.111 R)
• M24: 39,955,048 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 10.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.3 AU - 6.72 AU

Year: 8772 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,948,707 km

• M1: 139,724 km (0.068 R)
• M2: 488,287 km (0.114 R)
• M3: 1,572,872 km (0.097 R)
• M4: 2,131,171 km (0.103 R)
• M5: 10,541,713 km (0.101 R)
• M6: 14,421,684 km (0.063 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 17,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit