🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.1 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.4

Radius: 9.3

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.13 AU - 2.25 AU

Year: 1491 Days

Day: 9 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 97,670,794 km

• M1: 119,977 km (0.083 R)
• M2: 489,634 km (0.109 R)
• M3: 942,915 km (0.118 R)
• M4: 1,527,394 km (0.064 R)
• M5: 2,128,628 km (0.105 R)
• M6: 2,434,705 km (0.107 R)
• M7: 3,456,908 km (0.06 R)
• M8: 3,968,832 km (0.108 R)
• M9: 4,980,861 km (0.053 R)
• M10: 5,375,051 km (0.059 R)
• M11: 5,723,166 km (0.064 R)
• M12: 9,075,804 km (0.105 R)
• M13: 10,647,928 km (0.064 R)
• M14: 11,445,434 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 11.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.16 AU - 2.34 AU

Year: 1553 Days

Day: 9.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 97,670,794 km

• M1: 178,321 km (0.095 R)
• M2: 601,832 km (0.096 R)
• M3: 1,505,254 km (0.092 R)
• M4: 2,486,616 km (0.102 R)
• M5: 2,935,709 km (0.116 R)
• M6: 5,688,459 km (0.096 R)
• M7: 6,787,555 km (0.084 R)
• M8: 7,626,051 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 14.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.04 AU - 2.82 AU

Year: 1743 Days

Day: 12.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 97,670,794 km

• M1: 187,895 km (0.075 R)
• M2: 739,761 km (0.065 R)
• M3: 1,237,324 km (0.108 R)
• M4: 1,732,942 km (0.089 R)
• M5: 3,382,857 km (0.048 R)
• M6: 4,435,726 km (0.111 R)
• M7: 5,150,206 km (0.11 R)
• M8: 6,099,105 km (0.11 R)
• M9: 6,639,901 km (0.093 R)
• M10: 7,630,688 km (0.111 R)
• M11: 9,716,681 km (0.06 R)
• M12: 12,380,570 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 10.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.24 AU - 5.98 AU

Year: 5316 Days

Day: 13.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 97,670,794 km

• M1: 131,796 km (0.089 R)
• M2: 496,515 km (0.034 R)
• M3: 844,181 km (0.105 R)
• M4: 1,545,496 km (0.112 R)
• M5: 1,884,484 km (0.084 R)
• M6: 2,229,607 km (0.113 R)
• M7: 2,716,697 km (0.079 R)
• M8: 3,863,066 km (0.112 R)
• M9: 4,840,090 km (0.059 R)
• M10: 6,091,177 km (0.109 R)
• M11: 6,823,757 km (0.082 R)
• M12: 7,411,079 km (0.027 R)
• M13: 7,751,713 km (0.09 R)
• M14: 8,282,337 km (0.114 R)
• M15: 9,259,360 km (0.076 R)
• M16: 10,480,228 km (0.083 R)
• M17: 12,556,348 km (0.046 R)
• M18: 16,622,567 km (0.098 R)
• M19: 21,149,399 km (0.071 R)
• M20: 23,039,867 km (0.085 R)
• M21: 24,435,915 km (0.048 R)
• M22: 26,122,182 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 10.5

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.88 AU - 11.08 AU

Year: 12383 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 97,670,794 km

• M1: 131,048 km (0.084 R)
• M2: 790,326 km (0.118 R)
• M3: 1,520,513 km (0.049 R)
• M4: 2,347,490 km (0.072 R)
• M5: 2,806,306 km (0.111 R)
• M6: 3,877,577 km (0.09 R)
• M7: 4,773,518 km (0.099 R)
• M8: 6,175,699 km (0.091 R)
• M9: 7,139,110 km (0.063 R)
• M10: 8,865,170 km (0.061 R)
• M11: 9,311,869 km (0.119 R)
• M12: 10,196,441 km (0.114 R)
• M13: 12,375,185 km (0.115 R)
• M14: 14,234,686 km (0.071 R)
• M15: 14,641,443 km (0.117 R)
• M16: 15,196,002 km (0.106 R)
• M17: 16,793,259 km (0.093 R)
• M18: 20,748,327 km (0.079 R)
• M19: 21,536,708 km (0.083 R)
• M20: 23,736,844 km (0.062 R)
• M21: 25,383,318 km (0.054 R)
• M22: 26,285,094 km (0.095 R)
• M23: 29,118,777 km (0.118 R)
• M24: 33,205,641 km (0.092 R)
• M25: 37,788,572 km (0.103 R)
• M26: 38,700,670 km (0.033 R)
• M27: 42,917,236 km (0.117 R)
• M28: 44,340,061 km (0.069 R)
• M29: 45,354,783 km (0.088 R)
• M30: 46,088,860 km (0.053 R)
• M31: 49,878,922 km (0.062 R)
• M32: 51,929,610 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.5

Radius: 3.8

Gravity: 19.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.26 AU - 15.14 AU

Year: 20827 Days

Day: 23.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,670,794 km

• M1: 48,769 km (0.097 R)
• M2: 510,727 km (0.027 R)
• M3: 808,726 km (0.077 R)
• M4: 1,187,508 km (0.076 R)
• M5: 1,658,891 km (0.1 R)
• M6: 2,110,377 km (0.071 R)
• M7: 3,053,741 km (0.086 R)
• M8: 3,251,360 km (0.102 R)
• M9: 6,256,033 km (0.087 R)
• M10: 6,697,497 km (0.068 R)
• M11: 9,425,414 km (0.052 R)
• M12: 15,021,571 km (0.103 R)
• M13: 23,905,889 km (0.08 R)
• M14: 24,098,871 km (0.11 R)
• M15: 27,433,856 km (0.055 R)
• M16: 31,063,848 km (0.089 R)
• M17: 35,877,160 km (0.072 R)
• M18: 39,258,520 km (0.083 R)
• M19: 45,898,572 km (0.095 R)
• M20: 57,460,542 km (0.118 R)

Asteroid Belt

Center: 13.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 874

Radius: 7.3

Gravity: 16.4 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 11.82 AU - 17.44 AU

Year: 25751 Days

Day: 18 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 97,670,794 km

• M1: 92,003 km (0.116 R)
• M2: 561,740 km (0.115 R)
• M3: 1,060,499 km (0.079 R)
• M4: 1,633,908 km (0.081 R)
• M5: 1,906,774 km (0.082 R)
• M6: 2,570,540 km (0.072 R)
• M7: 3,228,771 km (0.101 R)
• M8: 3,858,727 km (0.091 R)
• M9: 4,274,460 km (0.04 R)
• M10: 6,335,919 km (0.105 R)
• M11: 7,217,499 km (0.064 R)
• M12: 8,067,664 km (0.095 R)
• M13: 10,029,041 km (0.04 R)
• M14: 10,882,348 km (0.054 R)
• M15: 14,700,534 km (0.113 R)
• M16: 17,878,142 km (0.114 R)
• M17: 20,645,553 km (0.117 R)
• M18: 22,022,452 km (0.076 R)
• M19: 24,490,368 km (0.115 R)
• M20: 28,017,288 km (0.113 R)
• M21: 31,730,456 km (0.096 R)
• M22: 36,360,810 km (0.081 R)
• M23: 36,816,634 km (0.049 R)
• M24: 37,895,235 km (0.101 R)
• M25: 40,277,282 km (0.101 R)
• M26: 46,397,630 km (0.106 R)
• M27: 47,113,605 km (0.116 R)
• M28: 50,427,348 km (0.096 R)
• M29: 51,184,313 km (0.119 R)
• M30: 54,485,938 km (0.058 R)
• M31: 63,905,368 km (0.12 R)
• M32: 67,499,756 km (0.052 R)
• M33: 89,701,426 km (0.079 R)
• M34: 95,059,723 km (0.114 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: 213 - 19,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit