🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 8.3

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 12.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 101.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,819,627 km

• M1: 103,223 km (0.111 R)
• M2: 430,543 km (0.04 R)
• M3: 732,431 km (0.068 R)
• M4: 1,091,466 km (0.109 R)
• M5: 1,380,340 km (0.095 R)
• M6: 1,659,040 km (0.099 R)
• M7: 2,384,291 km (0.085 R)
• M8: 2,789,701 km (0.102 R)
• M9: 3,071,244 km (0.111 R)
• M10: 3,360,716 km (0.091 R)
• M11: 3,691,926 km (0.1 R)
• M12: 3,994,862 km (0.097 R)
• M13: 4,301,238 km (0.08 R)
• M14: 4,692,436 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.4

Radius: 14.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.57 AU - 0.57 AU

Year: 292 Days

Day: 8.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,819,627 km

• M1: 184,005 km (0.091 R)
• M2: 696,976 km (0.048 R)
• M3: 1,259,764 km (0.107 R)
• M4: 1,741,618 km (0.071 R)
• M5: 2,399,550 km (0.047 R)
• M6: 3,076,929 km (0.116 R)
• M7: 3,785,425 km (0.101 R)
• M8: 4,287,026 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.2

Radius: 9.2

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.55 AU - 0.63 AU

Year: 307 Days

Day: 13.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,819,627 km

• M1: 114,442 km (0.092 R)
• M2: 406,457 km (0.09 R)
• M3: 785,389 km (0.062 R)
• M4: 1,270,385 km (0.105 R)
• M5: 1,585,887 km (0.09 R)
• M6: 1,907,822 km (0.069 R)
• M7: 2,299,618 km (0.106 R)
• M8: 2,618,711 km (0.109 R)
• M9: 3,674,124 km (0.086 R)
• M10: 4,112,894 km (0.086 R)
• M11: 4,771,274 km (0.061 R)
• M12: 5,156,190 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.1

Radius: 12.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.75 AU - 1.19 AU

Year: 648 Days

Day: 10.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,819,627 km

• M1: 156,779 km (0.071 R)
• M2: 604,076 km (0.108 R)
• M3: 1,097,600 km (0.119 R)
• M4: 1,630,617 km (0.091 R)
• M5: 2,034,082 km (0.089 R)
• M6: 2,884,546 km (0.064 R)
• M7: 3,787,519 km (0.034 R)
• M8: 4,747,638 km (0.088 R)
• M9: 5,384,327 km (0.1 R)
• M10: 5,810,830 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.2

Radius: 8.4

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.07 AU - 1.33 AU

Year: 892 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,819,627 km

• M1: 104,419 km (0.12 R)
• M2: 438,771 km (0.076 R)
• M3: 785,987 km (0.072 R)
• M4: 1,061,098 km (0.048 R)
• M5: 1,439,132 km (0.094 R)
• M6: 1,762,861 km (0.06 R)
• M7: 2,164,831 km (0.074 R)
• M8: 2,627,238 km (0.118 R)
• M9: 2,900,703 km (0.056 R)
• M10: 3,408,288 km (0.11 R)
• M11: 3,690,879 km (0.086 R)
• M12: 4,066,369 km (0.113 R)
• M13: 4,858,789 km (0.093 R)
• M14: 5,328,975 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.5

Radius: 8

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.63 AU - 1.81 AU

Year: 1530 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,819,627 km

• M1: 100,979 km (0.032 R)
• M2: 356,641 km (0.084 R)
• M3: 739,462 km (0.115 R)
• M4: 1,267,842 km (0.104 R)
• M5: 1,787,695 km (0.092 R)
• M6: 2,192,207 km (0.072 R)
• M7: 2,670,472 km (0.096 R)
• M8: 3,001,681 km (0.093 R)
• M9: 3,541,580 km (0.08 R)
• M10: 3,960,454 km (0.114 R)
• M11: 4,276,854 km (0.099 R)
• M12: 5,395,846 km (0.116 R)
• M13: 5,927,367 km (0.115 R)
• M14: 6,544,159 km (0.112 R)
• M15: 7,121,756 km (0.089 R)
• M16: 8,199,010 km (0.088 R)
• M17: 8,745,492 km (0.081 R)
• M18: 9,187,104 km (0.091 R)
• M19: 9,577,555 km (0.054 R)
• M20: 10,779,574 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.9

Radius: 9.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.95 AU - 2.57 AU

Year: 2304 Days

Day: 8.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,819,627 km

• M1: 142,567 km (0.108 R)
• M2: 636,090 km (0.109 R)
• M3: 957,127 km (0.088 R)
• M4: 1,535,473 km (0.094 R)
• M5: 2,134,612 km (0.119 R)
• M6: 3,204,835 km (0.05 R)
• M7: 3,959,257 km (0.119 R)
• M8: 4,477,913 km (0.118 R)
• M9: 5,172,945 km (0.094 R)
• M10: 5,937,988 km (0.101 R)
• M11: 6,309,889 km (0.114 R)
• M12: 6,644,838 km (0.115 R)
• M13: 7,663,450 km (0.113 R)
• M14: 8,814,606 km (0.077 R)
• M15: 9,168,405 km (0.113 R)
• M16: 9,465,057 km (0.092 R)
• M17: 10,112,068 km (0.1 R)
• M18: 10,715,845 km (0.032 R)
• M19: 11,193,661 km (0.072 R)
• M20: 11,647,092 km (0.091 R)
• M21: 14,541,511 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.7

Radius: 7.7

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.06 AU - 11.7 AU

Year: 21063 Days

Day: 24.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,819,627 km

• M1: 95,892 km (0.088 R)
• M2: 396,584 km (0.104 R)
• M3: 912,098 km (0.078 R)
• M4: 1,575,116 km (0.071 R)
• M5: 2,411,218 km (0.076 R)
• M6: 2,788,504 km (0.086 R)
• M7: 3,844,216 km (0.11 R)
• M8: 4,326,969 km (0.087 R)
• M9: 5,107,421 km (0.074 R)
• M10: 6,189,462 km (0.11 R)
• M11: 6,991,157 km (0.093 R)
• M12: 7,611,839 km (0.117 R)
• M13: 13,672,348 km (0.086 R)
• M14: 14,414,054 km (0.073 R)
• M15: 18,980,379 km (0.116 R)
• M16: 19,437,999 km (0.071 R)
• M17: 19,996,747 km (0.053 R)
• M18: 22,339,600 km (0.118 R)
• M19: 22,952,801 km (0.085 R)
• M20: 27,913,915 km (0.066 R)
• M21: 29,470,182 km (0.107 R)
• M22: 32,493,555 km (0.077 R)
• M23: 33,016,848 km (0.071 R)
• M24: 34,214,679 km (0.104 R)
• M25: 37,693,577 km (0.117 R)
• M26: 38,854,905 km (0.099 R)
• M27: 41,862,122 km (0.114 R)
• M28: 45,020,881 km (0.113 R)
• M29: 45,998,652 km (0.051 R)
• M30: 48,845,949 km (0.11 R)
• M31: 50,225,540 km (0.076 R)
• M32: 63,831,317 km (0.114 R)
• M33: 77,354,217 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 16,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit