🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.1

Radius: 9.7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.53 AU - 0.83 AU

Year: 357 Days

Day: 6.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,466,118 km

• M1: 120,576 km (0.093 R)
• M2: 452,982 km (0.073 R)
• M3: 1,041,800 km (0.06 R)
• M4: 1,780,065 km (0.088 R)
• M5: 2,089,284 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188

Radius: 8.1

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.94 AU - 1.42 AU

Year: 815 Days

Day: 7.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 136.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,466,118 km

• M1: 100,829 km (0.118 R)
• M2: 530,175 km (0.063 R)
• M3: 811,419 km (0.065 R)
• M4: 1,068,727 km (0.099 R)
• M5: 1,526,048 km (0.119 R)
• M6: 1,785,451 km (0.092 R)
• M7: 2,499,481 km (0.11 R)
• M8: 2,779,528 km (0.092 R)
• M9: 3,170,428 km (0.086 R)
• M10: 3,451,073 km (0.108 R)
• M11: 3,864,113 km (0.112 R)
• M12: 5,288,135 km (0.103 R)
• M13: 5,633,856 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.3

Radius: 12.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.31 AU - 1.95 AU

Year: 1323 Days

Day: 8.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,466,118 km

• M1: 154,086 km (0.089 R)
• M2: 609,013 km (0.099 R)
• M3: 1,550,582 km (0.08 R)
• M4: 2,072,379 km (0.031 R)
• M5: 2,579,815 km (0.066 R)
• M6: 3,063,016 km (0.097 R)
• M7: 3,547,863 km (0.082 R)
• M8: 4,213,723 km (0.115 R)
• M9: 5,280,655 km (0.064 R)
• M10: 6,365,838 km (0.088 R)
• M11: 6,926,980 km (0.088 R)
• M12: 7,447,880 km (0.061 R)
• M13: 8,304,178 km (0.095 R)
• M14: 9,566,036 km (0.118 R)
• M15: 10,004,058 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.9

Radius: 8.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.01 AU - 3.23 AU

Year: 2696 Days

Day: 13.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,466,118 km

• M1: 102,175 km (0.046 R)
• M2: 446,101 km (0.115 R)
• M3: 1,159,383 km (0.112 R)
• M4: 1,885,382 km (0.061 R)
• M5: 2,186,074 km (0.102 R)
• M6: 2,690,368 km (0.04 R)
• M7: 3,799,038 km (0.104 R)
• M8: 4,784,290 km (0.078 R)
• M9: 5,117,594 km (0.087 R)
• M10: 6,006,355 km (0.113 R)
• M11: 6,690,017 km (0.041 R)
• M12: 7,841,771 km (0.096 R)
• M13: 8,180,460 km (0.108 R)
• M14: 10,644,188 km (0.078 R)
• M15: 11,843,065 km (0.065 R)
• M16: 12,125,955 km (0.115 R)
• M17: 13,086,822 km (0.068 R)
• M18: 13,432,692 km (0.117 R)
• M19: 13,828,977 km (0.117 R)
• M20: 14,461,177 km (0.119 R)
• M21: 15,159,500 km (0.071 R)
• M22: 16,027,168 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.4

Radius: 12.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.96 AU - 3.08 AU

Year: 3337 Days

Day: 7.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,466,118 km

• M1: 157,975 km (0.08 R)
• M2: 739,761 km (0.089 R)
• M3: 1,721,273 km (0.116 R)
• M4: 2,227,961 km (0.088 R)
• M5: 2,662,693 km (0.105 R)
• M6: 3,499,543 km (0.088 R)
• M7: 4,144,160 km (0.117 R)
• M8: 5,105,027 km (0.109 R)
• M9: 5,802,453 km (0.096 R)
• M10: 9,427,957 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 11.7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.12 AU - 5.36 AU

Year: 6561 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,466,118 km

• M1: 145,858 km (0.095 R)
• M2: 789,877 km (0.038 R)
• M3: 1,228,498 km (0.071 R)
• M4: 1,663,828 km (0.051 R)
• M5: 2,796,433 km (0.118 R)
• M6: 3,206,780 km (0.111 R)
• M7: 4,022,986 km (0.118 R)
• M8: 4,943,611 km (0.059 R)
• M9: 5,392,106 km (0.101 R)
• M10: 6,099,404 km (0.065 R)
• M11: 8,638,828 km (0.112 R)
• M12: 9,930,755 km (0.069 R)
• M13: 10,844,499 km (0.077 R)
• M14: 11,918,762 km (0.065 R)
• M15: 12,454,771 km (0.11 R)
• M16: 13,062,736 km (0.114 R)
• M17: 13,923,523 km (0.117 R)
• M18: 15,067,797 km (0.115 R)
• M19: 15,441,941 km (0.084 R)
• M20: 16,867,010 km (0.097 R)
• M21: 17,406,311 km (0.061 R)
• M22: 18,877,007 km (0.072 R)
• M23: 19,532,096 km (0.088 R)
• M24: 20,657,521 km (0.062 R)
• M25: 22,385,676 km (0.105 R)
• M26: 27,585,997 km (0.089 R)
• M27: 28,714,862 km (0.116 R)
• M28: 31,468,211 km (0.119 R)
• M29: 37,494,612 km (0.073 R)
• M30: 39,348,279 km (0.034 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: 513 - 10,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit