🌌 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: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.3

Radius: 11

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.51 AU - 0.81 AU

Year: 377 Days

Day: 8.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,654,070 km

• M1: 136,732 km (0.098 R)
• M2: 529,277 km (0.111 R)
• M3: 963,859 km (0.087 R)
• M4: 1,309,580 km (0.108 R)
• M5: 1,726,359 km (0.077 R)
• M6: 2,071,183 km (0.042 R)
• M7: 2,561,116 km (0.104 R)
• M8: 2,963,384 km (0.065 R)
• M9: 3,740,396 km (0.115 R)
• M10: 4,145,357 km (0.042 R)
• M11: 4,579,640 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993

Radius: 9.1

Gravity: 11.99 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.76 AU - 1.08 AU

Year: 620 Days

Day: 13 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,654,070 km

• M1: 113,246 km (0.088 R)
• M2: 650,003 km (0.118 R)
• M3: 978,370 km (0.119 R)
• M4: 1,265,448 km (0.079 R)
• M5: 1,716,037 km (0.113 R)
• M6: 2,131,470 km (0.108 R)
• M7: 3,429,980 km (0.067 R)
• M8: 3,912,583 km (0.088 R)
• M9: 4,311,560 km (0.102 R)
• M10: 4,636,936 km (0.076 R)
• M11: 6,045,998 km (0.118 R)
• M12: 6,969,017 km (0.096 R)
• M13: 7,510,561 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.1

Radius: 8.4

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.56 AU - 1.94 AU

Year: 1627 Days

Day: 9.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,654,070 km

• M1: 106,962 km (0.116 R)
• M2: 774,169 km (0.054 R)
• M3: 1,586,037 km (0.069 R)
• M4: 2,200,585 km (0.114 R)
• M5: 2,550,045 km (0.069 R)
• M6: 3,189,427 km (0.095 R)
• M7: 3,757,300 km (0.054 R)
• M8: 4,526,084 km (0.12 R)
• M9: 5,439,678 km (0.074 R)
• M10: 5,708,954 km (0.101 R)
• M11: 6,596,219 km (0.12 R)
• M12: 7,767,421 km (0.115 R)
• M13: 8,641,820 km (0.097 R)
• M14: 10,074,369 km (0.097 R)
• M15: 10,378,801 km (0.054 R)
• M16: 10,654,660 km (0.108 R)
• M17: 11,006,215 km (0.101 R)
• M18: 12,961,309 km (0.117 R)
• M19: 13,402,772 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 13.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.55 AU - 3.51 AU

Year: 3707 Days

Day: 9.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,654,070 km

• M1: 167,849 km (0.097 R)
• M2: 759,508 km (0.118 R)
• M3: 1,669,363 km (0.114 R)
• M4: 2,729,114 km (0.061 R)
• M5: 3,678,312 km (0.08 R)
• M6: 5,422,474 km (0.052 R)
• M7: 5,887,275 km (0.091 R)
• M8: 6,645,586 km (0.11 R)
• M9: 7,346,751 km (0.115 R)
• M10: 7,866,454 km (0.06 R)
• M11: 9,345,229 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.6

Radius: 9.1

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.86 AU - 5.15 AU

Year: 7859 Days

Day: 9.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,654,070 km

• M1: 113,096 km (0.058 R)
• M2: 413,937 km (0.111 R)
• M3: 1,155,045 km (0.112 R)
• M4: 1,642,136 km (0.094 R)
• M5: 2,499,631 km (0.106 R)
• M6: 3,071,992 km (0.114 R)
• M7: 4,678,524 km (0.074 R)
• M8: 5,714,040 km (0.066 R)
• M9: 6,484,768 km (0.116 R)
• M10: 7,893,083 km (0.114 R)
• M11: 9,030,027 km (0.051 R)
• M12: 9,830,226 km (0.099 R)
• M13: 10,987,066 km (0.106 R)
• M14: 11,463,535 km (0.094 R)
• M15: 11,788,911 km (0.092 R)
• M16: 12,514,909 km (0.1 R)
• M17: 15,390,180 km (0.109 R)
• M18: 17,511,029 km (0.063 R)
• M19: 18,678,641 km (0.118 R)
• M20: 21,494,222 km (0.1 R)
• M21: 22,156,193 km (0.046 R)
• M22: 22,746,655 km (0.112 R)
• M23: 24,224,234 km (0.112 R)
• M24: 29,543,635 km (0.094 R)
• M25: 30,053,464 km (0.111 R)
• M26: 31,300,811 km (0.088 R)
• M27: 35,135,753 km (0.119 R)
• M28: 35,823,155 km (0.093 R)
• M29: 38,662,971 km (0.076 R)
• M30: 41,141,210 km (0.072 R)
• M31: 44,518,980 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.9

Radius: 7.3

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.65 AU - 6.95 AU

Year: 11115 Days

Day: 20.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,654,070 km

• M1: 148,700 km (0.044 R)
• M2: 422,315 km (0.096 R)
• M3: 730,636 km (0.118 R)
• M4: 1,053,019 km (0.06 R)
• M5: 1,468,752 km (0.056 R)
• M6: 1,974,094 km (0.12 R)
• M7: 2,515,787 km (0.039 R)
• M8: 3,867,105 km (0.092 R)
• M9: 4,629,007 km (0.119 R)
• M10: 5,060,447 km (0.113 R)
• M11: 6,239,877 km (0.092 R)
• M12: 6,912,020 km (0.081 R)
• M13: 8,029,666 km (0.039 R)
• M14: 8,567,919 km (0.1 R)
• M15: 12,047,416 km (0.113 R)
• M16: 13,891,060 km (0.095 R)
• M17: 14,849,384 km (0.072 R)
• M18: 16,368,401 km (0.074 R)
• M19: 18,551,183 km (0.079 R)
• M20: 18,980,978 km (0.105 R)
• M21: 19,638,161 km (0.073 R)
• M22: 24,242,485 km (0.043 R)
• M23: 25,015,906 km (0.064 R)
• M24: 26,612,115 km (0.086 R)
• M25: 27,713,155 km (0.085 R)
• M26: 39,141,535 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.4

Radius: 3.3

Gravity: 14.55 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.38 AU - 7.52 AU

Year: 14294 Days

Day: 19.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,654,070 km

• M1: 68,217 km (0.119 R)
• M2: 366,964 km (0.089 R)
• M3: 931,845 km (0.068 R)
• M4: 1,078,451 km (0.08 R)
• M5: 1,217,727 km (0.099 R)
• M6: 1,393,355 km (0.119 R)
• M7: 2,152,564 km (0.109 R)
• M8: 2,725,673 km (0.084 R)
• M9: 2,944,385 km (0.11 R)
• M10: 3,507,621 km (0.098 R)
• M11: 4,113,792 km (0.092 R)
• M12: 7,279,432 km (0.062 R)
• M13: 18,149,214 km (0.117 R)
• M14: 25,540,695 km (0.099 R)
• M15: 26,507,845 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.9

Radius: 5.6

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.92 AU - 10.76 AU

Year: 23372 Days

Day: 17.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,654,070 km

• M1: 125,812 km (0.094 R)
• M2: 342,579 km (0.102 R)
• M3: 560,842 km (0.061 R)
• M4: 1,242,410 km (0.088 R)
• M5: 2,121,747 km (0.104 R)
• M6: 2,350,332 km (0.058 R)
• M7: 4,656,234 km (0.063 R)
• M8: 4,879,733 km (0.098 R)
• M9: 5,348,124 km (0.117 R)
• M10: 5,593,315 km (0.054 R)
• M11: 7,183,241 km (0.113 R)
• M12: 8,475,168 km (0.079 R)
• M13: 9,101,684 km (0.109 R)
• M14: 13,653,498 km (0.103 R)
• M15: 17,460,914 km (0.106 R)
• M16: 19,688,725 km (0.116 R)
• M17: 20,528,119 km (0.084 R)
• M18: 23,654,565 km (0.057 R)
• M19: 25,477,864 km (0.091 R)
• M20: 30,608,323 km (0.066 R)
• M21: 32,076,626 km (0.077 R)
• M22: 35,520,219 km (0.074 R)
• M23: 40,932,221 km (0.038 R)
• M24: 45,696,614 km (0.09 R)
• M25: 46,869,013 km (0.1 R)
• M26: 47,313,767 km (0.063 R)
• M27: 48,061,308 km (0.097 R)
• M28: 49,273,649 km (0.109 R)
• M29: 49,733,513 km (0.07 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 16,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit