🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 12.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.73 AU - 0.81 AU

Year: 458 Days

Day: 8.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,244,301 km

• M1: 157,975 km (0.103 R)
• M2: 593,604 km (0.067 R)
• M3: 1,579,454 km (0.085 R)
• M4: 2,126,534 km (0.08 R)
• M5: 2,740,633 km (0.041 R)
• M6: 3,493,409 km (0.099 R)
• M7: 4,018,498 km (0.087 R)
• M8: 4,734,773 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.8

Radius: 10.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.93 AU - 0.97 AU

Year: 628 Days

Day: 5.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,244,301 km

• M1: 133,142 km (0.109 R)
• M2: 1,518,269 km (0.116 R)
• M3: 1,939,088 km (0.114 R)
• M4: 3,586,310 km (0.054 R)
• M5: 4,209,086 km (0.086 R)
• M6: 4,902,472 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.5

Radius: 9.2

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1 AU - 1.1 AU

Year: 730 Days

Day: 6.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,244,301 km

• M1: 114,442 km (0.117 R)
• M2: 435,180 km (0.109 R)
• M3: 828,922 km (0.094 R)
• M4: 1,132,605 km (0.105 R)
• M5: 1,551,180 km (0.117 R)
• M6: 1,882,839 km (0.088 R)
• M7: 3,123,304 km (0.081 R)
• M8: 3,643,456 km (0.098 R)
• M9: 4,464,449 km (0.07 R)
• M10: 4,963,358 km (0.029 R)
• M11: 5,422,773 km (0.085 R)
• M12: 5,870,370 km (0.105 R)
• M13: 6,279,371 km (0.118 R)
• M14: 6,973,355 km (0.113 R)
• M15: 8,669,047 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.1

Radius: 10.4

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.02 AU - 2.82 AU

Year: 2553 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,244,301 km

• M1: 129,402 km (0.029 R)
• M2: 532,868 km (0.034 R)
• M3: 888,761 km (0.098 R)
• M4: 1,335,161 km (0.101 R)
• M5: 1,929,364 km (0.091 R)
• M6: 2,268,353 km (0.049 R)
• M7: 2,603,302 km (0.085 R)
• M8: 4,741,804 km (0.054 R)
• M9: 5,463,913 km (0.097 R)
• M10: 5,890,117 km (0.043 R)
• M11: 6,584,999 km (0.085 R)
• M12: 7,363,506 km (0.045 R)
• M13: 8,429,840 km (0.067 R)
• M14: 9,207,450 km (0.12 R)
• M15: 9,740,018 km (0.12 R)
• M16: 10,788,849 km (0.091 R)
• M17: 11,340,865 km (0.12 R)
• M18: 12,673,184 km (0.114 R)
• M19: 14,671,811 km (0.045 R)
• M20: 17,241,603 km (0.034 R)
• M21: 17,616,346 km (0.059 R)
• M22: 18,216,234 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.3

Radius: 9.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.39 AU - 2.61 AU

Year: 2681 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,244,301 km

• M1: 122,221 km (0.092 R)
• M2: 469,887 km (0.109 R)
• M3: 1,005,148 km (0.041 R)
• M4: 2,025,555 km (0.041 R)
• M5: 2,928,378 km (0.095 R)
• M6: 3,304,617 km (0.102 R)
• M7: 3,625,056 km (0.062 R)
• M8: 4,776,510 km (0.055 R)
• M9: 5,099,193 km (0.073 R)
• M10: 5,957,885 km (0.026 R)
• M11: 6,564,654 km (0.099 R)
• M12: 7,128,638 km (0.111 R)
• M13: 7,579,825 km (0.107 R)
• M14: 8,110,149 km (0.09 R)
• M15: 8,477,263 km (0.06 R)
• M16: 9,477,175 km (0.106 R)
• M17: 9,781,756 km (0.097 R)
• M18: 10,162,782 km (0.116 R)
• M19: 11,103,154 km (0.086 R)
• M20: 11,594,583 km (0.116 R)
• M21: 12,459,109 km (0.061 R)
• M22: 12,907,304 km (0.061 R)
• M23: 13,281,897 km (0.07 R)
• M24: 14,493,939 km (0.089 R)
• M25: 14,808,095 km (0.114 R)
• M26: 15,590,192 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 14.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.28 AU - 2.84 AU

Year: 2778 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,244,301 km

• M1: 203,902 km (0.059 R)
• M2: 807,081 km (0.058 R)
• M3: 1,457,382 km (0.101 R)
• M4: 2,162,886 km (0.084 R)
• M5: 2,626,789 km (0.027 R)
• M6: 3,140,957 km (0.083 R)
• M7: 4,268,775 km (0.083 R)
• M8: 5,499,068 km (0.073 R)
• M9: 6,777,681 km (0.088 R)
• M10: 7,316,981 km (0.067 R)
• M11: 10,032,482 km (0.086 R)
• M12: 11,469,818 km (0.1 R)
• M13: 14,701,282 km (0.09 R)
• M14: 15,301,917 km (0.11 R)
• M15: 15,815,038 km (0.112 R)
• M16: 17,368,163 km (0.114 R)
• M17: 18,210,549 km (0.04 R)
• M18: 18,962,278 km (0.065 R)
• M19: 20,159,360 km (0.087 R)
• M20: 20,838,983 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.5

Radius: 6.7

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.08 AU - 9.14 AU

Year: 14239 Days

Day: 17.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,244,301 km

• M1: 83,326 km (0.073 R)
• M2: 559,047 km (0.03 R)
• M3: 1,085,781 km (0.077 R)
• M4: 1,304,643 km (0.112 R)
• M5: 1,850,526 km (0.071 R)
• M6: 2,431,265 km (0.086 R)
• M7: 2,929,575 km (0.034 R)
• M8: 4,220,455 km (0.117 R)
• M9: 5,328,227 km (0.063 R)
• M10: 8,796,205 km (0.077 R)
• M11: 15,227,118 km (0.026 R)
• M12: 16,745,537 km (0.115 R)
• M13: 22,279,760 km (0.078 R)
• M14: 27,916,159 km (0.086 R)
• M15: 28,920,859 km (0.089 R)
• M16: 30,064,983 km (0.097 R)
• M17: 44,556,828 km (0.06 R)
• M18: 47,326,034 km (0.072 R)
• M19: 51,193,887 km (0.115 R)
• M20: 55,966,508 km (0.043 R)
• M21: 59,004,243 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 10,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit