🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 11.4

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.43 AU - 0.67 AU

Year: 287 Days

Day: 8.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 27,476,313 km

• M1: 143,913 km (0.09 R)
• M2: 540,796 km (0.048 R)
• M3: 1,117,945 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 14.3

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.94 AU - 1.28 AU

Year: 822 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,476,313 km

• M1: 177,872 km (0.029 R)
• M2: 856,747 km (0.069 R)
• M3: 1,404,425 km (0.099 R)
• M4: 1,850,675 km (0.1 R)
• M5: 2,393,716 km (0.095 R)
• M6: 2,882,452 km (0.111 R)
• M7: 3,749,970 km (0.06 R)
• M8: 4,431,538 km (0.091 R)
• M9: 4,942,863 km (0.049 R)
• M10: 5,963,570 km (0.045 R)
• M11: 6,588,889 km (0.071 R)
• M12: 7,257,741 km (0.094 R)
• M13: 8,550,266 km (0.108 R)
• M14: 8,995,769 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184

Radius: 15

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.26 AU - 1.64 AU

Year: 1227 Days

Day: 7.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,476,313 km

• M1: 186,997 km (0.119 R)
• M2: 685,158 km (0.072 R)
• M3: 1,392,756 km (0.055 R)
• M4: 2,176,799 km (0.043 R)
• M5: 3,267,666 km (0.095 R)
• M6: 4,250,076 km (0.114 R)
• M7: 4,942,714 km (0.083 R)
• M8: 5,439,678 km (0.087 R)
• M9: 6,277,426 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 9.5

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.72 AU - 2.36 AU

Year: 2048 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,476,313 km

• M1: 118,332 km (0.101 R)
• M2: 459,116 km (0.11 R)
• M3: 948,151 km (0.107 R)
• M4: 1,252,284 km (0.119 R)
• M5: 1,554,471 km (0.079 R)
• M6: 2,101,551 km (0.093 R)
• M7: 2,547,951 km (0.084 R)
• M8: 3,327,505 km (0.074 R)
• M9: 3,684,446 km (0.112 R)
• M10: 4,010,569 km (0.082 R)
• M11: 4,336,393 km (0.066 R)
• M12: 5,398,987 km (0.063 R)
• M13: 5,821,302 km (0.091 R)
• M14: 6,367,185 km (0.078 R)
• M15: 6,732,203 km (0.064 R)
• M16: 7,911,633 km (0.06 R)
• M17: 9,691,698 km (0.062 R)
• M18: 10,281,263 km (0.067 R)
• M19: 14,510,395 km (0.108 R)
• M20: 14,870,178 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 9.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.18 AU - 4.56 AU

Year: 6421 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,476,313 km

• M1: 120,576 km (0.115 R)
• M2: 596,896 km (0.069 R)
• M3: 912,996 km (0.083 R)
• M4: 1,235,529 km (0.089 R)
• M5: 1,648,419 km (0.085 R)
• M6: 1,983,817 km (0.066 R)
• M7: 2,331,333 km (0.105 R)
• M8: 2,756,939 km (0.094 R)
• M9: 3,171,475 km (0.098 R)
• M10: 3,604,710 km (0.102 R)
• M11: 4,328,315 km (0.096 R)
• M12: 4,643,817 km (0.051 R)
• M13: 5,410,357 km (0.099 R)
• M14: 6,526,955 km (0.107 R)
• M15: 8,061,380 km (0.092 R)
• M16: 9,868,224 km (0.109 R)
• M17: 11,727,127 km (0.1 R)
• M18: 16,125,005 km (0.109 R)
• M19: 18,896,904 km (0.109 R)
• M20: 19,743,777 km (0.1 R)
• M21: 21,136,234 km (0.083 R)
• M22: 23,386,186 km (0.041 R)
• M23: 24,860,324 km (0.118 R)
• M24: 29,278,996 km (0.083 R)
• M25: 32,566,110 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 9.1

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.23 AU - 5.69 AU

Year: 7765 Days

Day: 12.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,476,313 km

• M1: 113,246 km (0.111 R)
• M2: 566,826 km (0.107 R)
• M3: 1,455,737 km (0.114 R)
• M4: 2,071,931 km (0.074 R)
• M5: 2,936,307 km (0.109 R)
• M6: 4,629,755 km (0.109 R)
• M7: 6,448,566 km (0.119 R)
• M8: 7,122,654 km (0.107 R)
• M9: 7,638,318 km (0.11 R)
• M10: 8,136,179 km (0.057 R)
• M11: 9,150,752 km (0.083 R)
• M12: 10,050,733 km (0.049 R)
• M13: 10,904,937 km (0.07 R)
• M14: 11,270,404 km (0.086 R)
• M15: 12,472,722 km (0.094 R)
• M16: 15,519,732 km (0.119 R)
• M17: 22,194,789 km (0.075 R)
• M18: 22,952,203 km (0.069 R)
• M19: 23,553,287 km (0.098 R)
• M20: 23,988,916 km (0.118 R)
• M21: 26,062,642 km (0.094 R)
• M22: 28,253,203 km (0.1 R)
• M23: 31,500,973 km (0.118 R)
• M24: 33,323,674 km (0.092 R)
• M25: 36,130,429 km (0.086 R)
• M26: 36,477,496 km (0.098 R)
• M27: 41,068,206 km (0.09 R)
• M28: 43,501,864 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.4

Radius: 7.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.94 AU - 6.44 AU

Year: 10825 Days

Day: 16.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 174 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,476,313 km

• M1: 94,546 km (0.115 R)
• M2: 491,579 km (0.09 R)
• M3: 863,928 km (0.097 R)
• M4: 1,249,142 km (0.103 R)
• M5: 1,842,148 km (0.113 R)
• M6: 2,663,889 km (0.051 R)
• M7: 3,229,519 km (0.06 R)
• M8: 4,492,723 km (0.108 R)
• M9: 5,650,760 km (0.077 R)
• M10: 7,245,474 km (0.103 R)
• M11: 8,185,397 km (0.102 R)
• M12: 8,869,359 km (0.059 R)
• M13: 9,988,201 km (0.066 R)
• M14: 11,246,768 km (0.066 R)
• M15: 12,399,719 km (0.057 R)
• M16: 14,704,723 km (0.078 R)
• M17: 14,997,037 km (0.059 R)
• M18: 21,090,457 km (0.115 R)
• M19: 23,071,881 km (0.032 R)
• M20: 23,705,727 km (0.052 R)
• M21: 28,471,766 km (0.066 R)
• M22: 29,942,463 km (0.07 R)
• M23: 31,270,293 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.8

Radius: 6.2

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.58 AU - 6.98 AU

Year: 11062 Days

Day: 15.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 27,476,313 km

• M1: 77,043 km (0.06 R)
• M2: 359,484 km (0.073 R)
• M3: 926,011 km (0.114 R)
• M4: 1,190,051 km (0.109 R)
• M5: 1,448,107 km (0.069 R)
• M6: 1,650,513 km (0.081 R)
• M7: 2,355,867 km (0.118 R)
• M8: 2,987,619 km (0.12 R)
• M9: 3,197,654 km (0.06 R)
• M10: 3,833,595 km (0.068 R)
• M11: 4,110,351 km (0.109 R)
• M12: 4,312,009 km (0.059 R)
• M13: 6,436,748 km (0.097 R)
• M14: 7,659,411 km (0.105 R)
• M15: 7,965,488 km (0.086 R)
• M16: 8,602,476 km (0.113 R)
• M17: 8,933,237 km (0.095 R)
• M18: 9,620,489 km (0.102 R)
• M19: 10,132,563 km (0.105 R)
• M20: 10,662,738 km (0.063 R)
• M21: 13,721,117 km (0.091 R)
• M22: 13,978,126 km (0.104 R)
• M23: 14,435,596 km (0.059 R)
• M24: 15,797,984 km (0.085 R)
• M25: 16,080,275 km (0.039 R)
• M26: 16,438,113 km (0.04 R)
• M27: 17,243,847 km (0.067 R)
• M28: 24,005,073 km (0.098 R)
• M29: 24,661,059 km (0.068 R)
• M30: 26,402,528 km (0.099 R)
• M31: 27,506,261 km (0.078 R)
• M32: 33,722,202 km (0.059 R)
• M33: 36,968,327 km (0.06 R)
• M34: 38,858,645 km (0.115 R)
• M35: 40,154,163 km (0.097 R)
• M36: 41,746,483 km (0.083 R)
• M37: 46,920,325 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.2

Radius: 3.4

Gravity: 48.72 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 5.46 AU - 8.38 AU

Year: 12796 Days

Day: 25 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 27,476,313 km

• M1: 42,336 km (0.104 R)
• M2: 267,182 km (0.119 R)
• M3: 399,277 km (0.103 R)
• M4: 888,611 km (0.112 R)
• M5: 1,413,849 km (0.11 R)
• M6: 2,139,250 km (0.073 R)
• M7: 2,530,298 km (0.11 R)
• M8: 2,721,036 km (0.095 R)
• M9: 3,036,687 km (0.084 R)
• M10: 3,351,291 km (0.094 R)
• M11: 3,477,851 km (0.11 R)
• M12: 3,634,031 km (0.091 R)
• M13: 3,988,429 km (0.117 R)
• M14: 4,365,415 km (0.057 R)
• M15: 4,547,177 km (0.078 R)
• M16: 4,702,459 km (0.031 R)
• M17: 5,393,901 km (0.099 R)
• M18: 5,532,877 km (0.08 R)
• M19: 6,417,599 km (0.12 R)
• M20: 8,792,914 km (0.103 R)
• M21: 9,529,983 km (0.099 R)
• M22: 11,351,337 km (0.108 R)
• M23: 12,105,011 km (0.048 R)
• M24: 14,431,856 km (0.063 R)
• M25: 15,454,358 km (0.073 R)
• M26: 16,451,577 km (0.11 R)
• M27: 17,040,095 km (0.098 R)
• M28: 18,810,436 km (0.098 R)
• M29: 18,969,908 km (0.089 R)
• M30: 19,535,388 km (0.117 R)
• M31: 22,174,593 km (0.062 R)
• M32: 23,997,742 km (0.1 R)
• M33: 25,041,936 km (0.117 R)
• M34: 27,939,198 km (0.113 R)
• M35: 31,274,931 km (0.101 R)
• M36: 32,063,162 km (0.088 R)
• M37: 39,762,665 km (0.076 R)
• M38: 46,684,409 km (0.043 R)
• M39: 48,607,041 km (0.072 R)
• M40: 50,121,420 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46

Radius: 3.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.3 AU - 10.26 AU

Year: 16748 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,476,313 km

• M1: 44,730 km (0.108 R)
• M2: 212,878 km (0.063 R)
• M3: 489,035 km (0.118 R)
• M4: 734,825 km (0.073 R)
• M5: 1,585,887 km (0.107 R)
• M6: 1,894,208 km (0.113 R)
• M7: 2,271,793 km (0.11 R)
• M8: 2,911,025 km (0.06 R)
• M9: 5,314,315 km (0.102 R)
• M10: 5,678,586 km (0.045 R)
• M11: 10,240,872 km (0.09 R)
• M12: 12,863,173 km (0.112 R)
• M13: 17,553,665 km (0.118 R)
• M14: 23,268,004 km (0.061 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: 291 - 11,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit