🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 8.2

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.46 AU - 0.62 AU

Year: 265 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,367,462 km

• M1: 102,026 km (0.097 R)
• M2: 374,294 km (0.094 R)
• M3: 698,921 km (0.042 R)
• M4: 1,088,474 km (0.059 R)
• M5: 1,441,974 km (0.071 R)
• M6: 1,719,179 km (0.113 R)
• M7: 2,032,287 km (0.052 R)
• M8: 2,311,736 km (0.048 R)
• M9: 2,730,161 km (0.102 R)
• M10: 3,091,141 km (0.112 R)
• M11: 3,369,542 km (0.105 R)
• M12: 3,643,157 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 12.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.94 AU - 1.04 AU

Year: 657 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,367,462 km

• M1: 156,779 km (0.085 R)
• M2: 564,732 km (0.057 R)
• M3: 976,276 km (0.12 R)
• M4: 1,457,083 km (0.095 R)
• M5: 2,383,094 km (0.103 R)
• M6: 2,821,266 km (0.119 R)
• M7: 3,325,261 km (0.096 R)
• M8: 3,784,377 km (0.063 R)
• M9: 4,271,618 km (0.115 R)
• M10: 5,049,676 km (0.097 R)
• M11: 5,693,695 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 9.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.07 AU - 1.21 AU

Year: 812 Days

Day: 11.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,367,462 km

• M1: 123,119 km (0.053 R)
• M2: 434,731 km (0.041 R)
• M3: 867,967 km (0.08 R)
• M4: 1,562,999 km (0.026 R)
• M5: 2,072,978 km (0.048 R)
• M6: 2,562,612 km (0.029 R)
• M7: 2,880,806 km (0.071 R)
• M8: 3,427,736 km (0.107 R)
• M9: 3,871,593 km (0.117 R)
• M10: 4,445,600 km (0.053 R)
• M11: 5,041,448 km (0.114 R)
• M12: 5,837,159 km (0.11 R)
• M13: 6,452,306 km (0.091 R)
• M14: 7,346,303 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 14.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.81 AU - 5.89 AU

Year: 8252 Days

Day: 6.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,367,462 km

• M1: 176,525 km (0.092 R)
• M2: 717,172 km (0.08 R)
• M3: 1,175,839 km (0.08 R)
• M4: 2,236,787 km (0.088 R)
• M5: 2,883,200 km (0.102 R)
• M6: 6,149,520 km (0.116 R)
• M7: 7,390,284 km (0.061 R)
• M8: 12,707,142 km (0.109 R)
• M9: 15,137,509 km (0.085 R)
• M10: 18,911,714 km (0.099 R)
• M11: 20,074,688 km (0.026 R)
• M12: 21,595,051 km (0.102 R)
• M13: 23,027,750 km (0.048 R)
• M14: 24,522,981 km (0.07 R)
• M15: 25,381,224 km (0.092 R)
• M16: 25,905,714 km (0.04 R)
• M17: 32,571,346 km (0.098 R)
• M18: 36,297,530 km (0.074 R)
• M19: 36,852,089 km (0.114 R)
• M20: 37,864,567 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.9

Radius: 10.6

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.99 AU - 6.33 AU

Year: 8980 Days

Day: 12.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,367,462 km

• M1: 132,544 km (0.115 R)
• M2: 483,800 km (0.1 R)
• M3: 1,178,083 km (0.099 R)
• M4: 2,188,018 km (0.077 R)
• M5: 2,722,831 km (0.092 R)
• M6: 3,141,106 km (0.097 R)
• M7: 3,482,638 km (0.105 R)
• M8: 4,836,050 km (0.107 R)
• M9: 5,881,440 km (0.031 R)
• M10: 6,731,904 km (0.049 R)
• M11: 10,764,764 km (0.096 R)
• M12: 11,547,460 km (0.062 R)
• M13: 12,145,402 km (0.034 R)
• M14: 12,878,432 km (0.094 R)
• M15: 14,308,887 km (0.114 R)
• M16: 14,935,103 km (0.11 R)
• M17: 17,412,444 km (0.118 R)
• M18: 20,151,880 km (0.069 R)
• M19: 21,098,835 km (0.072 R)
• M20: 21,746,444 km (0.067 R)
• M21: 23,595,773 km (0.043 R)
• M22: 32,902,256 km (0.049 R)
• M23: 33,663,560 km (0.086 R)
• M24: 34,771,332 km (0.03 R)
• M25: 36,710,121 km (0.09 R)
• M26: 38,599,691 km (0.106 R)
• M27: 39,446,415 km (0.117 R)
• M28: 41,428,288 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.5

Radius: 3.8

Gravity: 18.46 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.24 AU - 10.86 AU

Year: 18155 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,367,462 km

• M1: 366,066 km (0.053 R)
• M2: 879,935 km (0.114 R)
• M3: 1,466,059 km (0.06 R)
• M4: 1,866,533 km (0.109 R)
• M5: 2,165,280 km (0.101 R)
• M6: 2,661,346 km (0.078 R)
• M7: 3,253,754 km (0.093 R)
• M8: 3,529,163 km (0.098 R)
• M9: 4,212,826 km (0.116 R)
• M10: 4,389,202 km (0.056 R)
• M11: 9,184,262 km (0.093 R)
• M12: 16,991,027 km (0.117 R)
• M13: 19,629,185 km (0.102 R)
• M14: 21,045,129 km (0.106 R)
• M15: 23,800,124 km (0.118 R)
• M16: 24,832,648 km (0.076 R)
• M17: 33,256,055 km (0.115 R)
• M18: 33,604,319 km (0.118 R)
• M19: 34,663,921 km (0.056 R)
• M20: 41,225,583 km (0.08 R)
• M21: 47,093,260 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.4

Radius: 7

Gravity: 16.72 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.95 AU - 11.65 AU

Year: 23668 Days

Day: 17.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,367,462 km

• M1: 87,365 km (0.109 R)
• M2: 477,965 km (0.108 R)
• M3: 831,166 km (0.074 R)
• M4: 1,923,978 km (0.104 R)
• M5: 2,623,498 km (0.051 R)
• M6: 3,302,074 km (0.061 R)
• M7: 6,775,736 km (0.032 R)
• M8: 9,823,793 km (0.054 R)
• M9: 10,386,580 km (0.116 R)
• M10: 12,562,780 km (0.037 R)
• M11: 13,225,649 km (0.105 R)
• M12: 15,520,779 km (0.103 R)
• M13: 15,941,747 km (0.062 R)
• M14: 17,520,304 km (0.106 R)
• M15: 19,296,629 km (0.064 R)
• M16: 34,490,986 km (0.114 R)
• M17: 45,620,768 km (0.111 R)
• M18: 48,243,668 km (0.082 R)
• M19: 52,082,349 km (0.098 R)
• M20: 53,596,579 km (0.071 R)
• M21: 54,557,895 km (0.115 R)
• M22: 56,316,866 km (0.09 R)
• M23: 66,121,062 km (0.116 R)
• M24: 67,895,742 km (0.119 R)
• M25: 69,247,358 km (0.117 R)
• M26: 69,701,837 km (0.028 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 10,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit