🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.1

Radius: 9

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.14 AU - 1.72 AU

Year: 1140 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,950,493 km

• M1: 116,537 km (0.113 R)
• M2: 651,948 km (0.109 R)
• M3: 936,183 km (0.057 R)
• M4: 1,313,170 km (0.102 R)
• M5: 1,735,335 km (0.106 R)
• M6: 2,579,815 km (0.059 R)
• M7: 2,946,180 km (0.077 R)
• M8: 3,332,891 km (0.08 R)
• M9: 4,174,828 km (0.112 R)
• M10: 4,736,867 km (0.077 R)
• M11: 5,036,362 km (0.112 R)
• M12: 5,777,769 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.8

Radius: 12.6

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.97 AU - 2.77 AU

Year: 2433 Days

Day: 7.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,950,493 km

• M1: 156,779 km (0.115 R)
• M2: 553,662 km (0.085 R)
• M3: 1,462,768 km (0.062 R)
• M4: 2,234,992 km (0.054 R)
• M5: 3,016,491 km (0.084 R)
• M6: 3,781,834 km (0.095 R)
• M7: 4,607,614 km (0.111 R)
• M8: 5,624,132 km (0.106 R)
• M9: 6,645,287 km (0.097 R)
• M10: 7,511,907 km (0.117 R)
• M11: 8,004,084 km (0.106 R)
• M12: 8,649,599 km (0.051 R)
• M13: 9,329,671 km (0.091 R)
• M14: 11,504,974 km (0.115 R)
• M15: 11,952,870 km (0.086 R)
• M16: 15,422,344 km (0.067 R)
• M17: 15,917,363 km (0.083 R)
• M18: 18,004,702 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.9

Radius: 9.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.52 AU - 3.16 AU

Year: 3192 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,950,493 km

• M1: 124,765 km (0.082 R)
• M2: 449,841 km (0.115 R)
• M3: 1,185,713 km (0.087 R)
• M4: 2,723,728 km (0.098 R)
• M5: 3,064,363 km (0.111 R)
• M6: 5,703,120 km (0.068 R)
• M7: 6,404,584 km (0.094 R)
• M8: 9,547,934 km (0.113 R)
• M9: 9,986,107 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.7

Radius: 13.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.78 AU - 5.34 AU

Year: 6493 Days

Day: 14 Hours

Environment

Temp: -213 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,950,493 km

• M1: 181,911 km (0.1 R)
• M2: 1,101,938 km (0.099 R)
• M3: 1,510,490 km (0.099 R)
• M4: 2,669,724 km (0.117 R)
• M5: 3,429,232 km (0.104 R)
• M6: 4,328,614 km (0.088 R)
• M7: 4,889,906 km (0.075 R)
• M8: 8,623,420 km (0.099 R)
• M9: 13,046,580 km (0.082 R)
• M10: 15,104,299 km (0.084 R)
• M11: 19,496,043 km (0.067 R)
• M12: 22,331,970 km (0.097 R)
• M13: 25,177,920 km (0.096 R)
• M14: 26,820,056 km (0.097 R)
• M15: 31,876,314 km (0.091 R)
• M16: 33,591,005 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.7

Radius: 3.5

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.41 AU - 8.71 AU

Year: 16701 Days

Day: 18.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,950,493 km

• M1: 44,730 km (0.028 R)
• M2: 485,595 km (0.098 R)
• M3: 5,147,513 km (0.108 R)
• M4: 10,268,099 km (0.114 R)
• M5: 10,767,606 km (0.08 R)
• M6: 13,451,242 km (0.112 R)
• M7: 17,096,045 km (0.043 R)
• M8: 17,514,171 km (0.048 R)
• M9: 18,957,341 km (0.072 R)
• M10: 22,740,372 km (0.1 R)
• M11: 24,018,387 km (0.071 R)
• M12: 24,807,815 km (0.106 R)
• M13: 35,669,518 km (0.099 R)
• M14: 37,742,047 km (0.071 R)
• M15: 40,015,336 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.3

Radius: 4.5

Gravity: 42.88 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.29 AU - 12.33 AU

Year: 22076 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,950,493 km

• M1: 55,950 km (0.116 R)
• M2: 207,791 km (0.046 R)
• M3: 893,398 km (0.114 R)
• M4: 1,084,136 km (0.055 R)
• M5: 1,513,332 km (0.058 R)
• M6: 1,691,653 km (0.085 R)
• M7: 2,936,157 km (0.088 R)
• M8: 5,472,889 km (0.061 R)
• M9: 7,594,336 km (0.118 R)
• M10: 10,021,412 km (0.101 R)
• M11: 10,587,789 km (0.074 R)
• M12: 10,911,519 km (0.076 R)
• M13: 14,839,510 km (0.12 R)
• M14: 15,244,921 km (0.115 R)
• M15: 18,663,980 km (0.096 R)
• M16: 23,971,862 km (0.103 R)
• M17: 26,609,871 km (0.114 R)
• M18: 28,679,707 km (0.044 R)
• M19: 29,946,053 km (0.095 R)
• M20: 33,274,157 km (0.055 R)
• M21: 36,840,570 km (0.107 R)
• M22: 46,421,566 km (0.083 R)
• M23: 47,637,048 km (0.115 R)
• M24: 48,518,180 km (0.106 R)
• M25: 48,873,624 km (0.094 R)
• M26: 49,410,082 km (0.082 R)
• M27: 50,131,443 km (0.103 R)
• M28: 50,677,027 km (0.102 R)
• M29: 59,749,689 km (0.101 R)
• M30: 63,917,785 km (0.093 R)
• M31: 64,989,205 km (0.078 R)
• M32: 65,421,094 km (0.045 R)
• M33: 68,275,421 km (0.116 R)
• M34: 72,594,760 km (0.079 R)
• M35: 75,891,449 km (0.056 R)
• M36: 83,035,046 km (0.068 R)
• M37: 84,824,087 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 12,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit