🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 9.2

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.5 AU - 0.54 AU

Year: 259 Days

Day: 9.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,050,123 km

• M1: 114,742 km (0.092 R)
• M2: 406,757 km (0.079 R)
• M3: 893,698 km (0.109 R)
• M4: 1,612,366 km (0.071 R)

Asteroid Belt

Center: 1.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 14.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.31 AU - 2.59 AU

Year: 2647 Days

Day: 8.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,050,123 km

• M1: 181,313 km (0.087 R)
• M2: 733,628 km (0.081 R)
• M3: 1,545,795 km (0.065 R)
• M4: 2,150,619 km (0.093 R)
• M5: 2,736,893 km (0.082 R)
• M6: 6,094,168 km (0.087 R)
• M7: 6,713,204 km (0.115 R)
• M8: 7,250,710 km (0.097 R)
• M9: 8,652,292 km (0.107 R)
• M10: 11,815,838 km (0.05 R)
• M11: 13,609,965 km (0.046 R)
• M12: 15,631,182 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 8.3

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.29 AU - 3.29 AU

Year: 3217 Days

Day: 6 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,050,123 km

• M1: 103,223 km (0.039 R)
• M2: 407,505 km (0.112 R)
• M3: 740,659 km (0.117 R)
• M4: 1,051,374 km (0.05 R)
• M5: 1,717,384 km (0.1 R)
• M6: 2,006,407 km (0.049 R)
• M7: 2,595,224 km (0.068 R)
• M8: 3,026,814 km (0.115 R)
• M9: 3,651,385 km (0.062 R)
• M10: 4,276,255 km (0.088 R)
• M11: 6,044,951 km (0.107 R)
• M12: 6,861,456 km (0.085 R)
• M13: 7,566,212 km (0.114 R)
• M14: 10,191,355 km (0.097 R)
• M15: 10,873,820 km (0.051 R)
• M16: 11,147,285 km (0.097 R)
• M17: 12,203,596 km (0.027 R)
• M18: 12,670,042 km (0.105 R)
• M19: 13,683,717 km (0.035 R)
• M20: 14,233,489 km (0.1 R)
• M21: 15,426,383 km (0.054 R)
• M22: 16,684,501 km (0.079 R)
• M23: 16,996,412 km (0.069 R)
• M24: 17,365,171 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 11.2

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.44 AU - 4.84 AU

Year: 5814 Days

Day: 13.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 27,050,123 km

• M1: 140,772 km (0.095 R)
• M2: 817,403 km (0.116 R)
• M3: 1,174,792 km (0.077 R)
• M4: 2,275,533 km (0.066 R)
• M5: 2,624,096 km (0.027 R)
• M6: 3,131,383 km (0.081 R)
• M7: 3,726,782 km (0.062 R)
• M8: 4,114,241 km (0.042 R)
• M9: 6,072,776 km (0.069 R)
• M10: 7,330,445 km (0.069 R)
• M11: 9,094,354 km (0.062 R)
• M12: 9,755,876 km (0.112 R)
• M13: 10,496,385 km (0.116 R)
• M14: 10,880,552 km (0.09 R)
• M15: 11,830,798 km (0.113 R)
• M16: 12,835,348 km (0.069 R)
• M17: 15,317,924 km (0.094 R)
• M18: 15,875,476 km (0.117 R)
• M19: 16,318,435 km (0.026 R)
• M20: 17,764,598 km (0.119 R)
• M21: 20,312,548 km (0.113 R)
• M22: 21,137,431 km (0.067 R)
• M23: 27,821,913 km (0.068 R)
• M24: 28,559,281 km (0.082 R)
• M25: 29,880,978 km (0.06 R)
• M26: 31,341,801 km (0.057 R)
• M27: 32,747,722 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.9

Radius: 12.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.68 AU - 5.88 AU

Year: 8375 Days

Day: 12.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,050,123 km

• M1: 158,275 km (0.102 R)
• M2: 572,062 km (0.118 R)
• M3: 1,064,838 km (0.074 R)
• M4: 1,600,099 km (0.118 R)
• M5: 2,744,223 km (0.061 R)
• M6: 3,165,641 km (0.089 R)
• M7: 3,607,253 km (0.119 R)
• M8: 4,065,023 km (0.077 R)
• M9: 4,561,538 km (0.115 R)
• M10: 5,583,142 km (0.113 R)
• M11: 7,187,729 km (0.105 R)
• M12: 7,604,209 km (0.079 R)
• M13: 8,117,031 km (0.097 R)
• M14: 9,841,894 km (0.07 R)
• M15: 11,956,011 km (0.119 R)
• M16: 13,772,429 km (0.104 R)
• M17: 14,837,416 km (0.067 R)
• M18: 19,000,126 km (0.11 R)
• M19: 19,433,362 km (0.08 R)
• M20: 22,172,200 km (0.096 R)
• M21: 27,476,342 km (0.118 R)
• M22: 31,014,631 km (0.038 R)
• M23: 32,944,742 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.1

Radius: 4.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.64 AU - 8.7 AU

Year: 13252 Days

Day: 24.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,050,123 km

• M1: 59,690 km (0.099 R)
• M2: 278,850 km (0.117 R)
• M3: 486,492 km (0.082 R)
• M4: 1,047,335 km (0.086 R)
• M5: 2,117,109 km (0.097 R)
• M6: 3,661,109 km (0.033 R)
• M7: 4,901,873 km (0.12 R)
• M8: 8,697,022 km (0.108 R)
• M9: 14,510,096 km (0.064 R)
• M10: 15,548,305 km (0.107 R)
• M11: 16,752,418 km (0.065 R)
• M12: 17,894,299 km (0.11 R)
• M13: 19,999,291 km (0.066 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 11,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit