🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.8

Radius: 8.8

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.89 AU - 0.89 AU

Year: 534 Days

Day: 13 Hours

Environment

Temp: -151 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,926,966 km

• M1: 109,506 km (0.108 R)
• M2: 453,132 km (0.1 R)
• M3: 864,077 km (0.089 R)
• M4: 1,162,076 km (0.093 R)
• M5: 1,448,855 km (0.119 R)
• M6: 1,783,506 km (0.119 R)
• M7: 2,074,474 km (0.085 R)
• M8: 2,464,027 km (0.12 R)
• M9: 3,044,317 km (0.104 R)
• M10: 3,427,138 km (0.032 R)
• M11: 4,068,464 km (0.083 R)
• M12: 4,403,713 km (0.063 R)
• M13: 5,915,848 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.3

Radius: 12.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.22 AU - 1.6 AU

Year: 1065 Days

Day: 7.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,926,966 km

• M1: 160,967 km (0.058 R)
• M2: 601,982 km (0.11 R)
• M3: 1,129,913 km (0.084 R)
• M4: 1,587,682 km (0.047 R)
• M5: 2,170,665 km (0.111 R)
• M6: 3,161,153 km (0.056 R)
• M7: 3,966,288 km (0.084 R)
• M8: 4,493,920 km (0.078 R)
• M9: 5,304,591 km (0.034 R)
• M10: 5,984,064 km (0.084 R)
• M11: 6,660,546 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.5

Radius: 14.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.92 AU - 2.16 AU

Year: 1853 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,926,966 km

• M1: 183,706 km (0.118 R)
• M2: 677,978 km (0.101 R)
• M3: 1,198,877 km (0.074 R)
• M4: 3,393,628 km (0.114 R)
• M5: 4,106,013 km (0.052 R)
• M6: 7,071,342 km (0.113 R)
• M7: 8,268,125 km (0.103 R)
• M8: 8,789,473 km (0.114 R)
• M9: 9,430,949 km (0.11 R)
• M10: 13,745,202 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.8

Radius: 14.1

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.27 AU - 3.11 AU

Year: 2805 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,926,966 km

• M1: 175,478 km (0.067 R)
• M2: 617,839 km (0.07 R)
• M3: 1,202,617 km (0.09 R)
• M4: 1,752,539 km (0.061 R)
• M5: 2,309,791 km (0.051 R)
• M6: 3,047,907 km (0.082 R)
• M7: 3,678,612 km (0.117 R)
• M8: 4,354,345 km (0.107 R)
• M9: 5,273,475 km (0.067 R)
• M10: 7,146,290 km (0.052 R)
• M11: 7,798,387 km (0.083 R)
• M12: 8,361,324 km (0.081 R)
• M13: 8,884,468 km (0.091 R)
• M14: 11,277,585 km (0.061 R)
• M15: 13,356,846 km (0.047 R)
• M16: 15,729,917 km (0.106 R)
• M17: 17,146,160 km (0.095 R)
• M18: 17,939,029 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 11.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.28 AU - 3.5 AU

Year: 3124 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,926,966 km

• M1: 273,764 km (0.117 R)
• M2: 739,462 km (0.096 R)
• M3: 1,130,661 km (0.037 R)
• M4: 2,838,171 km (0.089 R)
• M5: 5,720,772 km (0.088 R)
• M6: 7,455,509 km (0.048 R)
• M7: 8,126,904 km (0.113 R)
• M8: 8,665,008 km (0.053 R)
• M9: 10,978,689 km (0.065 R)
• M10: 12,365,162 km (0.042 R)
• M11: 13,398,434 km (0.11 R)
• M12: 15,330,939 km (0.102 R)
• M13: 19,384,742 km (0.071 R)
• M14: 19,741,833 km (0.111 R)
• M15: 20,777,648 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.8

Radius: 14.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.56 AU - 3.54 AU

Year: 3387 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,926,966 km

• M1: 182,061 km (0.101 R)
• M2: 706,252 km (0.076 R)
• M3: 1,210,696 km (0.099 R)
• M4: 2,248,456 km (0.078 R)
• M5: 2,806,755 km (0.073 R)
• M6: 3,800,235 km (0.09 R)
• M7: 4,401,020 km (0.066 R)
• M8: 4,993,128 km (0.088 R)
• M9: 5,612,613 km (0.116 R)
• M10: 6,172,109 km (0.11 R)
• M11: 6,681,340 km (0.085 R)
• M12: 7,979,850 km (0.093 R)
• M13: 9,149,406 km (0.075 R)
• M14: 11,657,564 km (0.062 R)
• M15: 12,262,089 km (0.047 R)
• M16: 14,446,666 km (0.03 R)
• M17: 15,657,212 km (0.107 R)
• M18: 18,569,135 km (0.107 R)
• M19: 19,275,536 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 13.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.97 AU - 4.71 AU

Year: 5749 Days

Day: 5.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,926,966 km

• M1: 162,912 km (0.061 R)
• M2: 735,423 km (0.119 R)
• M3: 1,635,105 km (0.051 R)
• M4: 2,882,601 km (0.12 R)
• M5: 3,812,951 km (0.105 R)
• M6: 4,399,823 km (0.111 R)
• M7: 5,694,144 km (0.108 R)
• M8: 6,838,717 km (0.063 R)
• M9: 12,931,689 km (0.077 R)
• M10: 13,640,932 km (0.118 R)
• M11: 19,353,327 km (0.03 R)
• M12: 20,064,814 km (0.047 R)
• M13: 21,843,832 km (0.055 R)
• M14: 22,459,577 km (0.114 R)
• M15: 28,170,625 km (0.065 R)
• M16: 29,642,818 km (0.065 R)
• M17: 33,648,899 km (0.098 R)
• M18: 34,677,983 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.9

Radius: 4.3

Gravity: 49.97 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.61 AU - 8.73 AU

Year: 14848 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,926,966 km

• M1: 55,351 km (0.075 R)
• M2: 588,069 km (0.098 R)
• M3: 1,066,334 km (0.035 R)
• M4: 3,083,063 km (0.084 R)
• M5: 3,485,930 km (0.029 R)
• M6: 3,656,471 km (0.094 R)
• M7: 4,107,658 km (0.081 R)
• M8: 4,362,872 km (0.073 R)
• M9: 5,303,394 km (0.094 R)
• M10: 5,491,289 km (0.047 R)
• M11: 5,644,776 km (0.052 R)
• M12: 5,920,336 km (0.12 R)
• M13: 8,156,375 km (0.058 R)
• M14: 9,626,324 km (0.035 R)
• M15: 11,764,077 km (0.103 R)
• M16: 17,771,778 km (0.114 R)
• M17: 22,679,037 km (0.108 R)
• M18: 23,778,432 km (0.095 R)
• M19: 38,586,527 km (0.106 R)
• M20: 52,125,882 km (0.082 R)
• M21: 57,441,394 km (0.106 R)
• M22: 57,808,208 km (0.066 R)
• M23: 58,731,675 km (0.094 R)
• M24: 59,103,875 km (0.116 R)
• M25: 60,041,105 km (0.059 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 20,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit