🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 13.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 9.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,882,623 km

• M1: 169,195 km (0.081 R)
• M2: 607,517 km (0.097 R)
• M3: 1,071,420 km (0.07 R)
• M4: 1,607,579 km (0.034 R)
• M5: 2,175,901 km (0.112 R)
• M6: 2,646,985 km (0.098 R)
• M7: 3,153,673 km (0.098 R)
• M8: 3,578,830 km (0.112 R)
• M9: 4,323,678 km (0.11 R)
• M10: 4,910,849 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.5

Radius: 13.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.7 AU - 0.9 AU

Year: 494 Days

Day: 12.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,882,623 km

• M1: 169,195 km (0.072 R)
• M2: 593,305 km (0.052 R)
• M3: 1,118,244 km (0.1 R)
• M4: 1,695,692 km (0.111 R)
• M5: 2,216,143 km (0.086 R)
• M6: 2,647,134 km (0.039 R)
• M7: 3,167,137 km (0.056 R)
• M8: 3,816,541 km (0.108 R)
• M9: 4,553,759 km (0.116 R)
• M10: 5,031,425 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.2

Radius: 8

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.64 AU - 1.04 AU

Year: 531 Days

Day: 8.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,882,623 km

• M1: 99,483 km (0.11 R)
• M2: 418,874 km (0.119 R)
• M3: 745,895 km (0.114 R)
• M4: 1,576,313 km (0.11 R)
• M5: 2,159,744 km (0.088 R)
• M6: 2,579,965 km (0.104 R)
• M7: 3,235,054 km (0.095 R)
• M8: 3,859,625 km (0.118 R)
• M9: 4,279,546 km (0.108 R)

Asteroid Belt

Center: 1.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.5

Radius: 14.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.07 AU - 2.57 AU

Year: 2439 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,882,623 km

• M1: 206,894 km (0.114 R)
• M2: 736,022 km (0.075 R)
• M3: 1,987,408 km (0.12 R)
• M4: 2,516,835 km (0.045 R)
• M5: 4,619,133 km (0.072 R)
• M6: 5,240,862 km (0.092 R)
• M7: 6,164,779 km (0.095 R)
• M8: 6,626,737 km (0.108 R)
• M9: 10,253,737 km (0.104 R)
• M10: 10,757,433 km (0.062 R)
• M11: 14,269,094 km (0.103 R)
• M12: 15,405,140 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 12.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.97 AU - 3.04 AU

Year: 2728 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,882,623 km

• M1: 159,322 km (0.116 R)
• M2: 564,732 km (0.059 R)
• M3: 1,104,930 km (0.111 R)
• M4: 1,700,329 km (0.107 R)
• M5: 2,099,606 km (0.094 R)
• M6: 3,093,534 km (0.073 R)
• M7: 3,812,352 km (0.097 R)
• M8: 4,400,870 km (0.098 R)
• M9: 5,385,075 km (0.117 R)
• M10: 6,765,115 km (0.047 R)
• M11: 7,538,087 km (0.103 R)
• M12: 8,670,693 km (0.068 R)
• M13: 10,213,645 km (0.068 R)
• M14: 10,675,304 km (0.118 R)
• M15: 11,312,441 km (0.078 R)
• M16: 12,315,645 km (0.075 R)
• M17: 15,330,790 km (0.074 R)
• M18: 15,885,798 km (0.085 R)
• M19: 16,558,988 km (0.101 R)
• M20: 17,197,173 km (0.051 R)
• M21: 18,073,517 km (0.11 R)
• M22: 19,210,611 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565

Radius: 3.2

Gravity: 55.18 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.59 AU - 6.53 AU

Year: 10297 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,882,623 km

• M1: 40,990 km (0.111 R)
• M2: 302,487 km (0.031 R)
• M3: 488,587 km (0.093 R)
• M4: 755,469 km (0.094 R)
• M5: 911,500 km (0.074 R)
• M6: 1,180,028 km (0.106 R)
• M7: 1,746,256 km (0.073 R)
• M8: 3,015,145 km (0.093 R)
• M9: 3,506,125 km (0.099 R)
• M10: 3,941,156 km (0.079 R)
• M11: 4,794,761 km (0.115 R)
• M12: 5,297,111 km (0.116 R)
• M13: 5,594,661 km (0.093 R)
• M14: 6,115,112 km (0.038 R)
• M15: 6,368,681 km (0.068 R)
• M16: 7,372,333 km (0.091 R)
• M17: 8,082,773 km (0.052 R)
• M18: 8,975,723 km (0.06 R)
• M19: 13,387,214 km (0.116 R)
• M20: 13,752,831 km (0.102 R)
• M21: 14,504,112 km (0.092 R)
• M22: 15,681,597 km (0.059 R)
• M23: 18,825,246 km (0.071 R)
• M24: 20,383,458 km (0.051 R)
• M25: 21,358,537 km (0.073 R)
• M26: 21,773,820 km (0.078 R)
• M27: 22,449,404 km (0.118 R)
• M28: 22,620,544 km (0.081 R)
• M29: 23,931,321 km (0.119 R)
• M30: 26,895,154 km (0.113 R)
• M31: 31,357,060 km (0.077 R)
• M32: 32,435,661 km (0.079 R)
• M33: 34,325,531 km (0.12 R)
• M34: 36,405,240 km (0.05 R)
• M35: 37,837,341 km (0.048 R)
• M36: 38,322,935 km (0.108 R)
• M37: 39,804,702 km (0.079 R)
• M38: 39,929,916 km (0.096 R)
• M39: 42,098,337 km (0.042 R)
• M40: 44,883,700 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.3

Radius: 3

Gravity: 36.59 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.69 AU - 8.15 AU

Year: 13951 Days

Day: 22 Hours

Environment

Temp: -241 °C

Axial Tilt: 169.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,882,623 km

• M1: 37,399 km (0.101 R)
• M2: 145,110 km (0.087 R)
• M3: 240,254 km (0.081 R)
• M4: 384,616 km (0.071 R)
• M5: 536,159 km (0.082 R)
• M6: 1,314,816 km (0.062 R)
• M7: 1,830,180 km (0.085 R)
• M8: 1,944,324 km (0.108 R)
• M9: 2,487,962 km (0.117 R)
• M10: 2,946,330 km (0.062 R)
• M11: 3,582,869 km (0.119 R)
• M12: 4,392,044 km (0.08 R)
• M13: 4,567,373 km (0.069 R)
• M14: 5,057,754 km (0.103 R)
• M15: 5,514,926 km (0.118 R)
• M16: 6,700,489 km (0.057 R)
• M17: 7,537,339 km (0.094 R)
• M18: 8,804,433 km (0.04 R)
• M19: 8,943,110 km (0.089 R)
• M20: 12,032,007 km (0.049 R)
• M21: 13,201,414 km (0.109 R)
• M22: 14,253,236 km (0.034 R)
• M23: 14,962,779 km (0.083 R)
• M24: 15,359,662 km (0.083 R)
• M25: 18,943,279 km (0.081 R)
• M26: 19,485,721 km (0.092 R)
• M27: 20,118,071 km (0.079 R)
• M28: 26,919,838 km (0.119 R)
• M29: 29,833,555 km (0.119 R)
• M30: 37,717,662 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 14,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit