🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.4

Radius: 11.3

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.58 AU - 0.84 AU

Year: 392 Days

Day: 10.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,863,407 km

• M1: 140,472 km (0.114 R)
• M2: 496,665 km (0.12 R)
• M3: 880,982 km (0.096 R)
• M4: 1,339,649 km (0.096 R)
• M5: 1,807,441 km (0.066 R)
• M6: 2,355,418 km (0.079 R)
• M7: 2,979,242 km (0.105 R)
• M8: 3,438,208 km (0.072 R)
• M9: 3,865,011 km (0.116 R)
• M10: 4,341,480 km (0.114 R)
• M11: 4,705,451 km (0.117 R)
• M12: 5,363,383 km (0.032 R)
• M13: 5,731,992 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 8.6

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.65 AU - 0.91 AU

Year: 452 Days

Day: 10.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,863,407 km

• M1: 107,860 km (0.084 R)
• M2: 384,766 km (0.111 R)
• M3: 781,050 km (0.087 R)
• M4: 1,090,269 km (0.059 R)
• M5: 1,435,092 km (0.119 R)
• M6: 1,836,164 km (0.082 R)
• M7: 2,358,111 km (0.117 R)
• M8: 2,801,071 km (0.073 R)
• M9: 3,657,967 km (0.069 R)
• M10: 3,934,424 km (0.117 R)
• M11: 4,559,294 km (0.071 R)
• M12: 5,022,300 km (0.12 R)
• M13: 5,331,369 km (0.066 R)
• M14: 5,618,746 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.6

Radius: 12.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.97 AU - 1.47 AU

Year: 884 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,863,407 km

• M1: 160,668 km (0.093 R)
• M2: 672,742 km (0.078 R)
• M3: 1,099,844 km (0.085 R)
• M4: 2,478,687 km (0.048 R)
• M5: 2,885,593 km (0.082 R)
• M6: 3,324,364 km (0.095 R)
• M7: 4,290,766 km (0.104 R)
• M8: 5,436,536 km (0.083 R)
• M9: 6,396,655 km (0.078 R)
• M10: 7,149,432 km (0.043 R)
• M11: 7,746,178 km (0.102 R)
• M12: 8,178,665 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.9

Radius: 14.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.39 AU - 1.55 AU

Year: 1169 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,863,407 km

• M1: 177,872 km (0.089 R)
• M2: 644,468 km (0.056 R)
• M3: 1,176,886 km (0.08 R)
• M4: 1,779,018 km (0.052 R)
• M5: 2,911,773 km (0.078 R)
• M6: 4,020,742 km (0.111 R)
• M7: 5,203,014 km (0.069 R)
• M8: 9,852,665 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 10.7

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.99 AU - 2.59 AU

Year: 2273 Days

Day: 13.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 165 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,863,407 km

• M1: 133,142 km (0.116 R)
• M2: 730,636 km (0.109 R)
• M3: 1,917,097 km (0.081 R)
• M4: 2,543,313 km (0.102 R)
• M5: 3,603,663 km (0.073 R)
• M6: 4,327,118 km (0.099 R)
• M7: 5,028,433 km (0.081 R)
• M8: 6,327,840 km (0.113 R)
• M9: 7,683,945 km (0.094 R)
• M10: 8,059,436 km (0.081 R)
• M11: 9,577,704 km (0.109 R)
• M12: 11,438,852 km (0.087 R)
• M13: 13,350,264 km (0.055 R)
• M14: 14,078,356 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 13.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.3 AU - 5.32 AU

Year: 5870 Days

Day: 14 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,863,407 km

• M1: 164,258 km (0.048 R)
• M2: 1,124,826 km (0.026 R)
• M3: 1,720,824 km (0.069 R)
• M4: 2,211,954 km (0.092 R)
• M5: 5,378,193 km (0.105 R)
• M6: 7,781,333 km (0.115 R)
• M7: 8,443,902 km (0.098 R)
• M8: 9,644,575 km (0.074 R)
• M9: 11,258,287 km (0.118 R)
• M10: 12,337,037 km (0.1 R)
• M11: 13,238,963 km (0.032 R)
• M12: 19,536,285 km (0.106 R)
• M13: 21,359,434 km (0.099 R)
• M14: 22,939,936 km (0.117 R)
• M15: 23,650,825 km (0.068 R)
• M16: 24,084,509 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 14

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.68 AU - 5.24 AU

Year: 6179 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,863,407 km

• M1: 174,132 km (0.101 R)
• M2: 822,040 km (0.042 R)
• M3: 1,591,572 km (0.075 R)
• M4: 2,303,807 km (0.112 R)
• M5: 3,099,817 km (0.059 R)
• M6: 3,789,164 km (0.111 R)
• M7: 4,930,147 km (0.08 R)
• M8: 5,387,319 km (0.117 R)
• M9: 8,116,283 km (0.079 R)
• M10: 9,216,426 km (0.118 R)
• M11: 11,025,961 km (0.075 R)
• M12: 11,513,351 km (0.112 R)
• M13: 11,964,090 km (0.093 R)
• M14: 13,388,112 km (0.09 R)
• M15: 15,519,283 km (0.118 R)
• M16: 17,017,356 km (0.12 R)
• M17: 18,953,901 km (0.12 R)
• M18: 20,299,833 km (0.118 R)
• M19: 21,331,759 km (0.065 R)
• M20: 22,475,883 km (0.108 R)
• M21: 29,279,295 km (0.069 R)
• M22: 31,076,115 km (0.096 R)
• M23: 31,952,609 km (0.095 R)
• M24: 34,370,260 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 12.8

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.44 AU - 6 AU

Year: 8974 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,863,407 km

• M1: 161,566 km (0.108 R)
• M2: 697,425 km (0.107 R)
• M3: 1,384,528 km (0.055 R)
• M4: 2,256,983 km (0.095 R)
• M5: 2,731,358 km (0.098 R)
• M6: 3,603,214 km (0.094 R)
• M7: 4,958,870 km (0.052 R)
• M8: 6,526,955 km (0.086 R)
• M9: 7,020,179 km (0.118 R)
• M10: 10,713,751 km (0.096 R)
• M11: 12,812,310 km (0.094 R)
• M12: 13,987,251 km (0.108 R)
• M13: 16,875,837 km (0.077 R)
• M14: 19,341,957 km (0.056 R)
• M15: 20,214,861 km (0.081 R)
• M16: 21,189,940 km (0.116 R)
• M17: 23,888,536 km (0.103 R)
• M18: 29,959,068 km (0.118 R)
• M19: 30,832,570 km (0.058 R)
• M20: 31,325,196 km (0.115 R)
• M21: 33,245,135 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.6

Radius: 5.7

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.14 AU - 7.74 AU

Year: 13313 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,863,407 km

• M1: 71,059 km (0.097 R)
• M2: 406,757 km (0.096 R)
• M3: 738,565 km (0.07 R)
• M4: 1,170,903 km (0.089 R)
• M5: 1,381,088 km (0.082 R)
• M6: 1,644,081 km (0.043 R)
• M7: 2,151,367 km (0.097 R)
• M8: 2,487,663 km (0.056 R)
• M9: 3,025,168 km (0.111 R)
• M10: 3,287,712 km (0.109 R)
• M11: 4,604,922 km (0.12 R)
• M12: 5,349,321 km (0.1 R)
• M13: 6,998,488 km (0.113 R)
• M14: 7,497,696 km (0.092 R)
• M15: 7,736,005 km (0.085 R)
• M16: 12,657,027 km (0.035 R)
• M17: 13,748,344 km (0.066 R)
• M18: 15,661,401 km (0.057 R)
• M19: 16,647,849 km (0.082 R)
• M20: 16,849,956 km (0.109 R)
• M21: 18,526,799 km (0.11 R)
• M22: 19,257,136 km (0.102 R)
• M23: 19,779,681 km (0.066 R)
• M24: 23,790,699 km (0.089 R)
• M25: 24,740,496 km (0.074 R)
• M26: 25,003,788 km (0.118 R)
• M27: 27,178,642 km (0.049 R)
• M28: 28,696,612 km (0.106 R)
• M29: 28,987,430 km (0.059 R)
• M30: 32,948,482 km (0.082 R)
• M31: 37,949,988 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.6

Radius: 5.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.41 AU - 9.55 AU

Year: 19148 Days

Day: 20.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,863,407 km

• M1: 73,453 km (0.105 R)
• M2: 298,747 km (0.116 R)
• M3: 516,711 km (0.032 R)
• M4: 1,555,818 km (0.096 R)
• M5: 2,710,564 km (0.086 R)
• M6: 2,937,055 km (0.1 R)
• M7: 4,184,252 km (0.075 R)
• M8: 4,630,353 km (0.101 R)
• M9: 6,516,184 km (0.096 R)
• M10: 7,832,197 km (0.119 R)
• M11: 8,039,539 km (0.068 R)
• M12: 10,620,701 km (0.094 R)
• M13: 15,003,470 km (0.1 R)
• M14: 16,515,007 km (0.114 R)
• M15: 22,982,571 km (0.085 R)
• M16: 25,890,754 km (0.081 R)
• M17: 26,259,213 km (0.1 R)
• M18: 31,895,313 km (0.086 R)
• M19: 35,727,711 km (0.033 R)
• M20: 40,594,130 km (0.11 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: 432 - 15,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit