🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.04 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.65 AU - 2.51 AU

Year: 1074 Days

Day: 27.4 Hours

Environment

Temp: -63 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.5

Radius: 9.4

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.54 AU - 7.84 AU

Year: 7638 Days

Day: 14.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,471,859 km

• M1: 116,986 km (0.088 R)
• M2: 487,839 km (0.095 R)
• M3: 796,010 km (0.068 R)
• M4: 1,173,446 km (0.116 R)
• M5: 1,533,677 km (0.057 R)
• M6: 1,844,243 km (0.088 R)
• M7: 2,214,497 km (0.087 R)
• M8: 2,634,119 km (0.026 R)
• M9: 3,561,925 km (0.119 R)
• M10: 3,856,334 km (0.116 R)
• M11: 5,614,408 km (0.087 R)
• M12: 7,893,083 km (0.036 R)
• M13: 9,282,697 km (0.061 R)
• M14: 9,748,695 km (0.083 R)
• M15: 10,279,318 km (0.111 R)
• M16: 10,677,099 km (0.052 R)
• M17: 11,932,525 km (0.045 R)
• M18: 12,427,843 km (0.096 R)
• M19: 12,879,629 km (0.092 R)
• M20: 15,049,396 km (0.101 R)
• M21: 15,368,937 km (0.098 R)
• M22: 16,489,425 km (0.073 R)
• M23: 18,671,161 km (0.104 R)
• M24: 19,414,363 km (0.097 R)
• M25: 25,993,528 km (0.109 R)
• M26: 27,391,071 km (0.056 R)
• M27: 29,232,471 km (0.099 R)
• M28: 30,743,410 km (0.115 R)
• M29: 33,593,099 km (0.097 R)
• M30: 36,384,446 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.1

Radius: 14.2

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 9.16 AU - 13.46 AU

Year: 13623 Days

Day: 8.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,471,859 km

• M1: 176,974 km (0.111 R)
• M2: 1,054,815 km (0.102 R)
• M3: 3,547,714 km (0.088 R)
• M4: 3,990,673 km (0.106 R)
• M5: 4,622,574 km (0.085 R)
• M6: 5,236,524 km (0.111 R)
• M7: 5,754,581 km (0.072 R)
• M8: 9,327,278 km (0.078 R)
• M9: 11,843,364 km (0.092 R)
• M10: 12,945,751 km (0.085 R)
• M11: 13,575,408 km (0.04 R)
• M12: 16,849,657 km (0.056 R)
• M13: 20,973,322 km (0.103 R)
• M14: 24,200,148 km (0.117 R)
• M15: 25,644,516 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848

Radius: 9.4

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 10.13 AU - 13.53 AU

Year: 14573 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,471,859 km

• M1: 125,213 km (0.042 R)
• M2: 555,756 km (0.096 R)
• M3: 1,224,907 km (0.098 R)
• M4: 1,582,147 km (0.077 R)
• M5: 2,240,527 km (0.117 R)
• M6: 2,533,590 km (0.078 R)
• M7: 3,121,659 km (0.092 R)
• M8: 4,004,286 km (0.081 R)
• M9: 4,974,728 km (0.088 R)
• M10: 9,084,779 km (0.114 R)
• M11: 9,782,654 km (0.077 R)
• M12: 14,668,520 km (0.058 R)
• M13: 18,002,907 km (0.094 R)
• M14: 19,275,985 km (0.06 R)
• M15: 19,890,234 km (0.105 R)
• M16: 25,387,207 km (0.074 R)
• M17: 26,231,837 km (0.039 R)
• M18: 28,651,134 km (0.06 R)
• M19: 32,062,414 km (0.103 R)
• M20: 32,430,126 km (0.058 R)
• M21: 33,173,777 km (0.077 R)
• M22: 35,998,484 km (0.116 R)
• M23: 38,563,638 km (0.096 R)
• M24: 39,538,717 km (0.048 R)
• M25: 41,248,471 km (0.076 R)
• M26: 48,742,427 km (0.089 R)
• M27: 49,228,620 km (0.042 R)
• M28: 49,882,064 km (0.082 R)
• M29: 50,872,850 km (0.056 R)
• M30: 53,064,758 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 13.1

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 8.91 AU - 14.83 AU

Year: 14647 Days

Day: 10 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,471,859 km

• M1: 162,912 km (0.03 R)
• M2: 706,401 km (0.093 R)
• M3: 1,198,279 km (0.072 R)
• M4: 2,502,623 km (0.115 R)
• M5: 3,516,298 km (0.069 R)
• M6: 4,480,905 km (0.114 R)
• M7: 4,913,542 km (0.09 R)
• M8: 5,720,473 km (0.106 R)
• M9: 12,117,577 km (0.107 R)
• M10: 14,973,251 km (0.043 R)
• M11: 18,018,764 km (0.118 R)
• M12: 18,642,438 km (0.095 R)
• M13: 20,769,570 km (0.073 R)
• M14: 25,501,201 km (0.064 R)
• M15: 26,586,982 km (0.107 R)
• M16: 30,575,860 km (0.107 R)
• M17: 39,981,078 km (0.079 R)
• M18: 42,946,108 km (0.039 R)
• M19: 44,623,698 km (0.097 R)
• M20: 49,008,262 km (0.059 R)
• M21: 52,085,939 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.8

Radius: 5.6

Gravity: 19.99 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 13.44 AU - 15.36 AU

Year: 19571 Days

Day: 22.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 79,471,859 km

• M1: 69,713 km (0.078 R)
• M2: 501,003 km (0.036 R)
• M3: 1,192,594 km (0.112 R)
• M4: 1,549,684 km (0.108 R)
• M5: 1,735,784 km (0.114 R)
• M6: 2,014,036 km (0.105 R)
• M7: 2,903,545 km (0.098 R)
• M8: 3,606,805 km (0.057 R)
• M9: 4,417,775 km (0.082 R)
• M10: 6,057,068 km (0.077 R)
• M11: 6,436,448 km (0.041 R)
• M12: 6,698,095 km (0.055 R)
• M13: 6,921,594 km (0.105 R)
• M14: 8,013,958 km (0.067 R)
• M15: 9,271,777 km (0.12 R)
• M16: 10,005,255 km (0.03 R)
• M17: 10,356,661 km (0.074 R)
• M18: 12,639,823 km (0.109 R)
• M19: 15,469,467 km (0.108 R)
• M20: 17,238,462 km (0.037 R)
• M21: 20,982,149 km (0.078 R)
• M22: 23,347,590 km (0.07 R)
• M23: 26,881,840 km (0.091 R)
• M24: 28,019,382 km (0.107 R)
• M25: 28,483,285 km (0.063 R)
• M26: 34,191,940 km (0.097 R)
• M27: 38,726,850 km (0.045 R)
• M28: 39,447,163 km (0.107 R)
• M29: 42,722,908 km (0.093 R)
• M30: 47,639,741 km (0.104 R)
• M31: 50,319,189 km (0.065 R)
• M32: 52,393,513 km (0.087 R)
• M33: 58,390,293 km (0.068 R)
• M34: 58,767,878 km (0.109 R)
• M35: 60,101,842 km (0.074 R)
• M36: 60,679,589 km (0.094 R)
• M37: 64,024,298 km (0.088 R)
• M38: 70,222,736 km (0.059 R)
• M39: 70,435,913 km (0.084 R)
• M40: 71,724,400 km (0.104 R)
• M41: 72,592,068 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433

Radius: 7.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 13.35 AU - 22.21 AU

Year: 26852 Days

Day: 19.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,471,859 km

• M1: 102,175 km (0.11 R)
• M2: 922,121 km (0.057 R)
• M3: 1,185,713 km (0.08 R)
• M4: 1,451,548 km (0.11 R)
• M5: 3,916,921 km (0.067 R)
• M6: 4,583,230 km (0.099 R)
• M7: 5,886,078 km (0.103 R)
• M8: 6,182,282 km (0.117 R)
• M9: 8,225,340 km (0.066 R)
• M10: 16,226,731 km (0.071 R)
• M11: 17,407,208 km (0.068 R)
• M12: 17,754,724 km (0.082 R)
• M13: 20,414,275 km (0.046 R)
• M14: 24,286,018 km (0.103 R)
• M15: 33,981,755 km (0.098 R)
• M16: 40,580,517 km (0.096 R)
• M17: 45,314,990 km (0.107 R)
• M18: 50,404,759 km (0.117 R)
• M19: 51,288,583 km (0.068 R)
• M20: 55,113,352 km (0.082 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 365 - 13,148 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit