🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 13

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.86 AU - 1.1 AU

Year: 636 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,542,103 km

• M1: 161,865 km (0.112 R)
• M2: 610,060 km (0.096 R)
• M3: 1,344,286 km (0.098 R)
• M4: 2,143,737 km (0.048 R)
• M5: 2,749,908 km (0.072 R)
• M6: 3,507,621 km (0.034 R)
• M7: 5,076,155 km (0.113 R)
• M8: 5,492,785 km (0.083 R)
• M9: 6,064,698 km (0.111 R)
• M10: 6,717,094 km (0.118 R)
• M11: 7,481,838 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 8.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.05 AU - 2.61 AU

Year: 2333 Days

Day: 12.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,542,103 km

• M1: 109,506 km (0.03 R)
• M2: 568,472 km (0.086 R)
• M3: 869,313 km (0.113 R)
• M4: 1,392,158 km (0.075 R)
• M5: 2,493,198 km (0.093 R)
• M6: 2,863,303 km (0.046 R)
• M7: 3,583,767 km (0.091 R)
• M8: 4,217,613 km (0.039 R)
• M9: 4,784,888 km (0.074 R)
• M10: 5,337,951 km (0.114 R)
• M11: 5,619,195 km (0.087 R)
• M12: 6,474,297 km (0.11 R)
• M13: 8,383,315 km (0.091 R)
• M14: 9,065,033 km (0.089 R)
• M15: 9,372,755 km (0.115 R)
• M16: 9,655,645 km (0.107 R)
• M17: 10,041,757 km (0.075 R)
• M18: 11,618,070 km (0.119 R)
• M19: 12,654,783 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.3

Radius: 14.6

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.8 AU - 3.96 AU

Year: 4076 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,542,103 km

• M1: 181,612 km (0.087 R)
• M2: 637,137 km (0.087 R)
• M3: 1,282,802 km (0.1 R)
• M4: 2,474,798 km (0.08 R)
• M5: 3,178,207 km (0.112 R)
• M6: 4,054,701 km (0.108 R)
• M7: 5,162,174 km (0.113 R)
• M8: 7,158,857 km (0.034 R)
• M9: 7,971,771 km (0.111 R)
• M10: 10,867,837 km (0.073 R)
• M11: 11,461,291 km (0.092 R)
• M12: 12,166,196 km (0.107 R)
• M13: 14,304,399 km (0.108 R)
• M14: 14,760,523 km (0.096 R)
• M15: 16,024,475 km (0.041 R)
• M16: 16,516,802 km (0.109 R)
• M17: 20,505,081 km (0.092 R)
• M18: 23,378,856 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.4

Radius: 9.4

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.98 AU - 3.83 AU

Year: 4113 Days

Day: 13.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,542,103 km

• M1: 119,977 km (0.107 R)
• M2: 430,692 km (0.08 R)
• M3: 729,738 km (0.113 R)
• M4: 1,175,839 km (0.102 R)
• M5: 1,773,333 km (0.059 R)
• M6: 2,078,363 km (0.029 R)
• M7: 2,387,432 km (0.099 R)
• M8: 2,954,109 km (0.037 R)
• M9: 3,386,597 km (0.069 R)
• M10: 3,691,028 km (0.109 R)
• M11: 4,473,575 km (0.074 R)
• M12: 6,487,611 km (0.057 R)
• M13: 8,295,052 km (0.057 R)
• M14: 8,927,702 km (0.107 R)
• M15: 10,671,714 km (0.082 R)
• M16: 14,238,426 km (0.032 R)
• M17: 15,584,957 km (0.114 R)
• M18: 16,955,722 km (0.105 R)
• M19: 19,096,467 km (0.072 R)
• M20: 20,464,091 km (0.038 R)
• M21: 21,549,124 km (0.114 R)
• M22: 22,175,940 km (0.103 R)
• M23: 22,815,022 km (0.114 R)
• M24: 25,263,490 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 13

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.43 AU - 7.11 AU

Year: 9092 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,542,103 km

• M1: 161,865 km (0.08 R)
• M2: 1,425,668 km (0.115 R)
• M3: 2,254,290 km (0.082 R)
• M4: 4,255,311 km (0.09 R)
• M5: 5,487,699 km (0.065 R)
• M6: 6,375,412 km (0.105 R)
• M7: 6,908,878 km (0.085 R)
• M8: 7,433,369 km (0.079 R)
• M9: 8,818,944 km (0.104 R)
• M10: 12,638,926 km (0.059 R)
• M11: 13,830,922 km (0.118 R)
• M12: 14,666,426 km (0.101 R)
• M13: 15,283,517 km (0.101 R)
• M14: 17,239,509 km (0.075 R)
• M15: 21,643,222 km (0.118 R)
• M16: 25,666,656 km (0.117 R)
• M17: 27,388,528 km (0.045 R)
• M18: 28,705,737 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.1

Radius: 4.7

Gravity: 44.55 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.09 AU - 7.57 AU

Year: 10448 Days

Day: 19.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 41,542,103 km

• M1: 58,792 km (0.076 R)
• M2: 273,764 km (0.067 R)
• M3: 523,742 km (0.063 R)
• M4: 917,334 km (0.044 R)
• M5: 1,070,373 km (0.081 R)
• M6: 1,950,457 km (0.025 R)
• M7: 2,303,358 km (0.092 R)
• M8: 2,899,207 km (0.119 R)
• M9: 3,358,323 km (0.09 R)
• M10: 3,781,385 km (0.088 R)
• M11: 3,977,209 km (0.104 R)
• M12: 6,249,152 km (0.1 R)
• M13: 7,265,520 km (0.063 R)
• M14: 7,524,922 km (0.106 R)
• M15: 7,925,546 km (0.084 R)
• M16: 8,154,281 km (0.101 R)
• M17: 8,577,044 km (0.058 R)
• M18: 9,113,353 km (0.084 R)
• M19: 9,263,399 km (0.089 R)
• M20: 9,671,652 km (0.086 R)
• M21: 10,634,165 km (0.1 R)
• M22: 12,134,631 km (0.108 R)
• M23: 12,998,260 km (0.099 R)
• M24: 13,902,280 km (0.103 R)
• M25: 15,834,486 km (0.117 R)
• M26: 20,821,929 km (0.078 R)
• M27: 29,186,245 km (0.072 R)
• M28: 29,403,761 km (0.067 R)
• M29: 31,408,821 km (0.094 R)
• M30: 31,751,699 km (0.12 R)
• M31: 36,187,575 km (0.111 R)
• M32: 37,198,109 km (0.119 R)
• M33: 42,953,887 km (0.101 R)
• M34: 43,235,281 km (0.107 R)
• M35: 43,659,391 km (0.056 R)
• M36: 47,153,698 km (0.093 R)
• M37: 51,936,940 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.6

Radius: 7.1

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 7.08 AU - 9.16 AU

Year: 15179 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,542,103 km

• M1: 88,263 km (0.096 R)
• M2: 339,288 km (0.107 R)
• M3: 1,442,273 km (0.037 R)
• M4: 3,164,294 km (0.071 R)
• M5: 3,618,772 km (0.084 R)
• M6: 5,558,458 km (0.07 R)
• M7: 6,345,942 km (0.084 R)
• M8: 6,933,263 km (0.115 R)
• M9: 8,178,216 km (0.095 R)
• M10: 11,149,529 km (0.087 R)
• M11: 12,951,884 km (0.115 R)
• M12: 13,261,402 km (0.092 R)
• M13: 16,755,560 km (0.101 R)
• M14: 17,684,712 km (0.071 R)
• M15: 21,602,082 km (0.071 R)
• M16: 25,412,938 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87

Radius: 4.7

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.56 AU - 12.64 AU

Year: 22640 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,542,103 km

• M1: 98,735 km (0.05 R)
• M2: 288,425 km (0.083 R)
• M3: 1,993,840 km (0.119 R)
• M4: 4,909,204 km (0.094 R)
• M5: 8,363,568 km (0.098 R)
• M6: 9,199,371 km (0.038 R)
• M7: 14,471,051 km (0.114 R)
• M8: 18,630,620 km (0.029 R)
• M9: 28,618,521 km (0.105 R)
• M10: 38,271,773 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit