🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 13.4

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.54 AU - 0.74 AU

Year: 341 Days

Day: 8.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,204,320 km

• M1: 166,652 km (0.051 R)
• M2: 594,053 km (0.032 R)
• M3: 1,049,429 km (0.056 R)
• M4: 1,957,189 km (0.094 R)
• M5: 2,391,771 km (0.069 R)
• M6: 2,921,198 km (0.051 R)
• M7: 3,349,945 km (0.083 R)
• M8: 4,323,079 km (0.102 R)
• M9: 4,984,003 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.8

Radius: 9.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.56 AU - 2.2 AU

Year: 1719 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,204,320 km

• M1: 118,482 km (0.083 R)
• M2: 471,084 km (0.108 R)
• M3: 1,150,258 km (0.083 R)
• M4: 1,476,082 km (0.055 R)
• M5: 2,131,171 km (0.092 R)
• M6: 2,544,061 km (0.089 R)
• M7: 3,307,459 km (0.106 R)
• M8: 4,250,823 km (0.098 R)
• M9: 4,553,610 km (0.096 R)
• M10: 5,162,772 km (0.103 R)
• M11: 6,684,631 km (0.099 R)
• M12: 9,618,395 km (0.12 R)
• M13: 10,174,002 km (0.078 R)
• M14: 10,948,021 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.6

Radius: 11.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.3 AU - 2.32 AU

Year: 2341 Days

Day: 7.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,204,320 km

• M1: 145,110 km (0.073 R)
• M2: 894,296 km (0.115 R)
• M3: 1,260,512 km (0.089 R)
• M4: 4,360,479 km (0.118 R)
• M5: 6,715,149 km (0.049 R)
• M6: 7,293,794 km (0.076 R)
• M7: 8,049,263 km (0.119 R)
• M8: 8,794,560 km (0.094 R)
• M9: 9,263,399 km (0.047 R)
• M10: 11,271,900 km (0.069 R)
• M11: 12,359,028 km (0.119 R)
• M12: 13,068,122 km (0.12 R)
• M13: 13,473,532 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 11.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.24 AU - 3.12 AU

Year: 2926 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,204,320 km

• M1: 141,220 km (0.079 R)
• M2: 532,120 km (0.098 R)
• M3: 886,218 km (0.103 R)
• M4: 1,266,496 km (0.11 R)
• M5: 1,678,787 km (0.039 R)
• M6: 2,075,670 km (0.094 R)
• M7: 2,580,713 km (0.065 R)
• M8: 4,126,358 km (0.072 R)
• M9: 5,001,655 km (0.052 R)
• M10: 5,573,568 km (0.12 R)
• M11: 6,188,565 km (0.115 R)
• M12: 7,491,113 km (0.078 R)
• M13: 9,551,076 km (0.098 R)
• M14: 10,042,954 km (0.057 R)
• M15: 10,995,443 km (0.065 R)
• M16: 11,791,454 km (0.057 R)
• M17: 12,357,981 km (0.119 R)
• M18: 15,160,099 km (0.102 R)
• M19: 16,954,375 km (0.109 R)
• M20: 17,452,088 km (0.058 R)
• M21: 18,016,520 km (0.102 R)
• M22: 18,709,906 km (0.118 R)
• M23: 21,277,754 km (0.057 R)

Asteroid Belt

Center: 3.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.3

Radius: 12.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.47 AU - 4.24 AU

Year: 5038 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 76.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,204,320 km

• M1: 159,172 km (0.101 R)
• M2: 576,700 km (0.1 R)
• M3: 1,001,408 km (0.083 R)
• M4: 1,798,466 km (0.089 R)
• M5: 2,556,029 km (0.104 R)
• M6: 3,017,688 km (0.103 R)
• M7: 4,401,917 km (0.043 R)
• M8: 5,308,331 km (0.116 R)
• M9: 5,755,030 km (0.075 R)
• M10: 8,022,335 km (0.082 R)
• M11: 9,880,341 km (0.071 R)
• M12: 14,335,665 km (0.042 R)
• M13: 15,058,821 km (0.107 R)
• M14: 16,214,764 km (0.118 R)
• M15: 16,788,172 km (0.068 R)
• M16: 18,589,779 km (0.106 R)
• M17: 19,333,730 km (0.073 R)
• M18: 19,801,373 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.7

Radius: 6.1

Gravity: 16.14 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.52 AU - 7.1 AU

Year: 11851 Days

Day: 18.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,204,320 km

• M1: 79,885 km (0.103 R)
• M2: 323,431 km (0.077 R)
• M3: 530,923 km (0.083 R)
• M4: 1,694,645 km (0.064 R)
• M5: 3,483,985 km (0.096 R)
• M6: 4,298,844 km (0.072 R)
• M7: 4,506,037 km (0.047 R)
• M8: 5,609,023 km (0.093 R)
• M9: 6,374,066 km (0.104 R)
• M10: 6,683,135 km (0.086 R)
• M11: 7,248,017 km (0.103 R)
• M12: 7,844,164 km (0.038 R)
• M13: 8,989,336 km (0.109 R)
• M14: 16,783,385 km (0.106 R)
• M15: 17,076,597 km (0.097 R)
• M16: 18,129,317 km (0.117 R)
• M17: 20,363,711 km (0.088 R)
• M18: 22,685,919 km (0.08 R)
• M19: 25,563,135 km (0.111 R)
• M20: 26,048,879 km (0.085 R)
• M21: 28,466,680 km (0.095 R)
• M22: 31,805,554 km (0.091 R)
• M23: 34,327,475 km (0.072 R)
• M24: 35,637,205 km (0.086 R)
• M25: 36,121,453 km (0.115 R)
• M26: 37,103,413 km (0.073 R)
• M27: 38,103,026 km (0.112 R)
• M28: 39,248,797 km (0.057 R)
• M29: 41,076,583 km (0.069 R)
• M30: 44,340,659 km (0.101 R)
• M31: 45,607,903 km (0.09 R)
• M32: 46,610,209 km (0.033 R)
• M33: 46,899,232 km (0.086 R)
• M34: 47,189,452 km (0.061 R)
• M35: 51,379,389 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.7

Radius: 7.2

Gravity: 13.34 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 8.13 AU - 10.89 AU

Year: 19557 Days

Day: 20.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,204,320 km

• M1: 103,522 km (0.045 R)
• M2: 426,952 km (0.099 R)
• M3: 699,520 km (0.1 R)
• M4: 945,159 km (0.057 R)
• M5: 1,194,240 km (0.086 R)
• M6: 1,738,477 km (0.064 R)
• M7: 2,117,707 km (0.072 R)
• M8: 3,536,045 km (0.06 R)
• M9: 3,987,681 km (0.111 R)
• M10: 4,789,525 km (0.068 R)
• M11: 5,978,679 km (0.116 R)
• M12: 7,118,465 km (0.11 R)
• M13: 7,544,969 km (0.104 R)
• M14: 8,293,257 km (0.093 R)
• M15: 8,872,650 km (0.091 R)
• M16: 9,422,721 km (0.087 R)
• M17: 10,590,482 km (0.081 R)
• M18: 12,792,413 km (0.103 R)
• M19: 14,000,266 km (0.107 R)
• M20: 15,753,105 km (0.088 R)
• M21: 17,905,070 km (0.101 R)
• M22: 19,872,880 km (0.03 R)
• M23: 22,479,623 km (0.071 R)
• M24: 23,604,001 km (0.119 R)
• M25: 24,127,294 km (0.106 R)
• M26: 24,872,890 km (0.055 R)
• M27: 27,430,864 km (0.081 R)
• M28: 27,777,033 km (0.112 R)
• M29: 28,951,676 km (0.034 R)
• M30: 37,689,388 km (0.109 R)
• M31: 44,929,177 km (0.094 R)
• M32: 55,765,897 km (0.112 R)
• M33: 65,513,246 km (0.109 R)
• M34: 69,710,364 km (0.105 R)
• M35: 72,312,768 km (0.102 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: 268 - 17,101 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit