🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.6

Radius: 8.7

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.67 AU - 0.73 AU

Year: 391 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,767,284 km

• M1: 109,655 km (0.048 R)
• M2: 386,860 km (0.092 R)
• M3: 683,513 km (0.11 R)
• M4: 1,321,099 km (0.052 R)
• M5: 1,710,652 km (0.071 R)
• M6: 2,259,676 km (0.088 R)
• M7: 2,580,563 km (0.084 R)
• M8: 3,840,776 km (0.09 R)
• M9: 4,488,834 km (0.032 R)

Asteroid Belt

Center: 1.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550

Radius: 9.6

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.81 AU - 2.89 AU

Year: 2402 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,767,284 km

• M1: 120,576 km (0.055 R)
• M2: 502,798 km (0.119 R)
• M3: 1,133,503 km (0.119 R)
• M4: 1,729,800 km (0.095 R)
• M5: 2,057,868 km (0.08 R)
• M6: 3,219,496 km (0.104 R)
• M7: 3,849,452 km (0.119 R)
• M8: 5,735,882 km (0.083 R)
• M9: 6,059,462 km (0.113 R)
• M10: 7,419,157 km (0.099 R)
• M11: 8,295,501 km (0.078 R)
• M12: 11,416,711 km (0.077 R)
• M13: 14,184,421 km (0.05 R)
• M14: 15,723,484 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357

Radius: 12.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.84 AU - 3.5 AU

Year: 3764 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,767,284 km

• M1: 156,629 km (0.113 R)
• M2: 739,612 km (0.063 R)
• M3: 1,414,597 km (0.085 R)
• M4: 1,974,841 km (0.068 R)
• M5: 2,741,531 km (0.042 R)
• M6: 3,422,051 km (0.078 R)
• M7: 3,929,936 km (0.062 R)
• M8: 5,169,354 km (0.059 R)
• M9: 5,585,386 km (0.109 R)
• M10: 6,265,458 km (0.118 R)
• M11: 7,388,489 km (0.063 R)
• M12: 7,918,215 km (0.111 R)
• M13: 9,159,130 km (0.064 R)
• M14: 10,720,483 km (0.118 R)
• M15: 11,897,668 km (0.104 R)
• M16: 13,249,584 km (0.044 R)
• M17: 13,939,230 km (0.091 R)
• M18: 15,290,847 km (0.057 R)
• M19: 16,728,034 km (0.049 R)
• M20: 18,648,871 km (0.088 R)
• M21: 19,929,129 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.3

Radius: 9.3

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.95 AU - 3.41 AU

Year: 3782 Days

Day: 12.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,767,284 km

• M1: 116,088 km (0.1 R)
• M2: 413,040 km (0.088 R)
• M3: 737,218 km (0.108 R)
• M4: 1,208,900 km (0.104 R)
• M5: 1,693,897 km (0.119 R)
• M6: 2,110,078 km (0.081 R)
• M7: 2,478,388 km (0.115 R)
• M8: 2,925,686 km (0.094 R)
• M9: 3,591,396 km (0.088 R)
• M10: 4,050,811 km (0.116 R)
• M11: 4,378,580 km (0.097 R)
• M12: 5,960,129 km (0.104 R)
• M13: 7,433,668 km (0.082 R)
• M14: 8,404,259 km (0.054 R)
• M15: 9,335,954 km (0.092 R)
• M16: 9,826,785 km (0.055 R)
• M17: 11,964,688 km (0.032 R)
• M18: 12,446,244 km (0.108 R)
• M19: 13,192,887 km (0.112 R)
• M20: 13,759,115 km (0.057 R)
• M21: 16,480,599 km (0.101 R)
• M22: 18,567,340 km (0.071 R)
• M23: 20,413,377 km (0.105 R)
• M24: 22,018,862 km (0.06 R)
• M25: 23,407,130 km (0.117 R)
• M26: 28,343,261 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 13.3

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.26 AU - 3.78 AU

Year: 4404 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,767,284 km

• M1: 165,754 km (0.055 R)
• M2: 1,571,226 km (0.077 R)
• M3: 3,551,753 km (0.029 R)
• M4: 5,479,172 km (0.116 R)
• M5: 8,026,524 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 293.3

Radius: 6.4

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.43 AU - 6.43 AU

Year: 9630 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,767,284 km

• M1: 79,736 km (0.101 R)
• M2: 438,771 km (0.097 R)
• M3: 648,806 km (0.108 R)
• M4: 945,758 km (0.08 R)
• M5: 1,573,770 km (0.088 R)
• M6: 2,008,351 km (0.119 R)
• M7: 2,262,369 km (0.099 R)
• M8: 3,434,468 km (0.088 R)
• M9: 4,065,023 km (0.086 R)
• M10: 4,715,026 km (0.107 R)
• M11: 5,372,209 km (0.062 R)
• M12: 6,285,803 km (0.078 R)
• M13: 7,558,732 km (0.074 R)
• M14: 10,048,040 km (0.094 R)
• M15: 11,476,849 km (0.105 R)
• M16: 13,199,469 km (0.12 R)
• M17: 15,027,705 km (0.081 R)
• M18: 22,126,871 km (0.093 R)
• M19: 22,593,766 km (0.085 R)
• M20: 24,692,924 km (0.073 R)
• M21: 26,480,768 km (0.09 R)
• M22: 33,877,036 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.9

Radius: 6.6

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.8 AU - 7.9 AU

Year: 14667 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 35,767,284 km

• M1: 82,129 km (0.117 R)
• M2: 302,936 km (0.103 R)
• M3: 561,890 km (0.073 R)
• M4: 901,477 km (0.105 R)
• M5: 1,424,920 km (0.108 R)
• M6: 1,769,892 km (0.044 R)
• M7: 2,064,301 km (0.061 R)
• M8: 2,448,768 km (0.06 R)
• M9: 2,858,367 km (0.075 R)
• M10: 3,557,288 km (0.09 R)
• M11: 4,138,176 km (0.093 R)
• M12: 5,222,910 km (0.072 R)
• M13: 5,521,209 km (0.041 R)
• M14: 5,936,791 km (0.042 R)
• M15: 7,147,337 km (0.104 R)
• M16: 7,515,498 km (0.068 R)
• M17: 9,845,634 km (0.057 R)
• M18: 10,148,121 km (0.109 R)
• M19: 10,771,645 km (0.116 R)
• M20: 11,310,497 km (0.098 R)
• M21: 11,531,004 km (0.077 R)
• M22: 13,338,745 km (0.059 R)
• M23: 15,193,459 km (0.113 R)
• M24: 16,639,322 km (0.095 R)
• M25: 16,853,098 km (0.078 R)
• M26: 19,484,823 km (0.042 R)
• M27: 25,926,209 km (0.062 R)
• M28: 26,600,297 km (0.109 R)
• M29: 33,428,542 km (0.086 R)
• M30: 36,698,602 km (0.115 R)
• M31: 39,920,491 km (0.091 R)
• M32: 45,237,499 km (0.097 R)
• M33: 45,933,577 km (0.09 R)
• M34: 48,353,772 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.4

Radius: 6.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.24 AU - 12.38 AU

Year: 22076 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,767,284 km

• M1: 85,869 km (0.107 R)
• M2: 720,164 km (0.114 R)
• M3: 2,473,750 km (0.026 R)
• M4: 4,903,070 km (0.107 R)
• M5: 10,673,958 km (0.098 R)
• M6: 18,492,092 km (0.072 R)
• M7: 23,501,227 km (0.117 R)
• M8: 31,753,195 km (0.115 R)
• M9: 34,185,657 km (0.097 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: 318 - 15,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit