🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 14.5

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.82 AU - 1.32 AU

Year: 778 Days

Day: 8.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,944,532 km

• M1: 180,415 km (0.113 R)
• M2: 668,702 km (0.067 R)
• M3: 1,286,093 km (0.119 R)
• M4: 1,768,396 km (0.054 R)
• M5: 2,332,081 km (0.115 R)
• M6: 2,880,806 km (0.118 R)
• M7: 3,571,500 km (0.103 R)
• M8: 4,056,047 km (0.095 R)
• M9: 4,551,216 km (0.099 R)
• M10: 5,435,938 km (0.079 R)
• M11: 6,453,802 km (0.064 R)
• M12: 7,132,527 km (0.073 R)
• M13: 7,810,056 km (0.043 R)
• M14: 8,352,498 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 10.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.83 AU - 2.01 AU

Year: 1870 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,944,532 km

• M1: 134,339 km (0.087 R)
• M2: 485,894 km (0.116 R)
• M3: 839,394 km (0.104 R)
• M4: 1,238,521 km (0.111 R)
• M5: 2,196,546 km (0.089 R)
• M6: 2,630,828 km (0.047 R)
• M7: 3,242,983 km (0.055 R)
• M8: 3,591,695 km (0.072 R)
• M9: 4,383,966 km (0.079 R)
• M10: 5,140,482 km (0.119 R)
• M11: 5,506,249 km (0.115 R)
• M12: 6,289,992 km (0.08 R)
• M13: 8,280,990 km (0.112 R)
• M14: 8,906,608 km (0.118 R)
• M15: 10,660,643 km (0.087 R)
• M16: 11,473,708 km (0.089 R)
• M17: 12,100,822 km (0.096 R)
• M18: 12,634,288 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.7

Radius: 10.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.56 AU - 2.5 AU

Year: 2033 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,944,532 km

• M1: 188,942 km (0.092 R)
• M2: 739,761 km (0.113 R)
• M3: 1,214,884 km (0.079 R)
• M4: 1,608,327 km (0.096 R)
• M5: 2,078,363 km (0.095 R)
• M6: 3,165,491 km (0.105 R)
• M7: 4,816,453 km (0.081 R)
• M8: 6,636,012 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606

Radius: 14.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.61 AU - 3.61 AU

Year: 3855 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,944,532 km

• M1: 180,415 km (0.104 R)
• M2: 801,396 km (0.109 R)
• M3: 1,682,677 km (0.048 R)
• M4: 2,660,299 km (0.105 R)
• M5: 3,204,536 km (0.095 R)
• M6: 4,249,627 km (0.05 R)
• M7: 5,048,779 km (0.074 R)
• M8: 5,591,220 km (0.095 R)
• M9: 6,732,951 km (0.107 R)
• M10: 8,550,117 km (0.078 R)
• M11: 9,514,873 km (0.075 R)
• M12: 11,054,235 km (0.081 R)
• M13: 12,660,617 km (0.109 R)
• M14: 13,133,347 km (0.102 R)
• M15: 14,164,525 km (0.058 R)
• M16: 15,302,067 km (0.083 R)
• M17: 18,532,483 km (0.096 R)
• M18: 19,328,494 km (0.117 R)
• M19: 24,373,981 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.1

Radius: 10

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.34 AU - 3.38 AU

Year: 4329 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,944,532 km

• M1: 124,914 km (0.086 R)
• M2: 454,927 km (0.041 R)
• M3: 835,953 km (0.104 R)
• M4: 1,413,251 km (0.112 R)
• M5: 1,762,113 km (0.099 R)
• M6: 2,182,783 km (0.086 R)
• M7: 2,621,553 km (0.028 R)
• M8: 3,457,805 km (0.117 R)
• M9: 3,842,870 km (0.112 R)
• M10: 4,462,654 km (0.069 R)
• M11: 5,020,505 km (0.108 R)
• M12: 5,435,639 km (0.081 R)
• M13: 6,187,966 km (0.091 R)
• M14: 6,788,901 km (0.087 R)
• M15: 7,933,773 km (0.098 R)
• M16: 9,088,968 km (0.11 R)
• M17: 11,113,327 km (0.025 R)
• M18: 12,047,117 km (0.102 R)
• M19: 12,509,823 km (0.118 R)
• M20: 13,868,620 km (0.077 R)
• M21: 14,687,818 km (0.064 R)
• M22: 17,810,973 km (0.085 R)
• M23: 22,862,145 km (0.119 R)
• M24: 23,428,822 km (0.076 R)
• M25: 23,859,963 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.9

Radius: 6.1

Gravity: 23.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.02 AU - 6.24 AU

Year: 9390 Days

Day: 24.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,944,532 km

• M1: 76,445 km (0.059 R)
• M2: 521,648 km (0.106 R)
• M3: 813,513 km (0.11 R)
• M4: 1,061,995 km (0.048 R)
• M5: 1,745,508 km (0.074 R)
• M6: 1,972,149 km (0.097 R)
• M7: 2,163,933 km (0.098 R)
• M8: 2,387,432 km (0.118 R)
• M9: 2,816,030 km (0.115 R)
• M10: 5,154,395 km (0.113 R)
• M11: 5,453,142 km (0.03 R)
• M12: 6,725,771 km (0.103 R)
• M13: 7,452,068 km (0.114 R)
• M14: 8,364,017 km (0.069 R)
• M15: 10,565,050 km (0.113 R)
• M16: 11,432,718 km (0.108 R)
• M17: 11,998,647 km (0.115 R)
• M18: 12,346,911 km (0.086 R)
• M19: 16,493,913 km (0.057 R)
• M20: 20,071,696 km (0.045 R)
• M21: 20,562,676 km (0.1 R)
• M22: 24,042,921 km (0.101 R)
• M23: 24,970,577 km (0.049 R)
• M24: 29,757,560 km (0.089 R)
• M25: 30,075,455 km (0.071 R)
• M26: 32,142,449 km (0.119 R)
• M27: 34,302,343 km (0.12 R)
• M28: 34,886,373 km (0.099 R)
• M29: 36,799,879 km (0.055 R)
• M30: 43,364,982 km (0.115 R)
• M31: 48,295,728 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.8

Radius: 5.7

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.13 AU - 9.13 AU

Year: 16295 Days

Day: 21.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,944,532 km

• M1: 90,956 km (0.071 R)
• M2: 376,538 km (0.069 R)
• M3: 563,984 km (0.082 R)
• M4: 1,075,908 km (0.11 R)
• M5: 1,315,713 km (0.074 R)
• M6: 1,795,324 km (0.067 R)
• M7: 2,134,911 km (0.038 R)
• M8: 2,440,540 km (0.071 R)
• M9: 3,321,372 km (0.091 R)
• M10: 3,534,848 km (0.095 R)
• M11: 3,937,117 km (0.103 R)
• M12: 5,107,271 km (0.097 R)
• M13: 6,383,341 km (0.074 R)
• M14: 8,238,804 km (0.112 R)
• M15: 8,720,060 km (0.06 R)
• M16: 9,642,630 km (0.098 R)
• M17: 12,175,322 km (0.104 R)
• M18: 12,456,416 km (0.065 R)
• M19: 14,990,903 km (0.078 R)
• M20: 15,840,171 km (0.056 R)
• M21: 18,728,606 km (0.095 R)
• M22: 19,254,443 km (0.067 R)
• M23: 26,919,838 km (0.117 R)
• M24: 31,314,275 km (0.084 R)
• M25: 38,044,534 km (0.101 R)
• M26: 43,681,830 km (0.1 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 14,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit