🌌 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: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.3

Radius: 13.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.71 AU - 1.09 AU

Year: 551 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,822,248 km

• M1: 169,195 km (0.117 R)
• M2: 650,452 km (0.09 R)
• M3: 1,377,796 km (0.105 R)
• M4: 2,059,813 km (0.101 R)
• M5: 2,537,778 km (0.074 R)
• M6: 3,187,931 km (0.117 R)
• M7: 3,763,882 km (0.103 R)
• M8: 4,332,055 km (0.109 R)
• M9: 4,973,980 km (0.084 R)
• M10: 5,715,686 km (0.059 R)
• M11: 6,250,199 km (0.073 R)
• M12: 7,114,725 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 10.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.31 AU - 1.43 AU

Year: 1035 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,822,248 km

• M1: 126,859 km (0.083 R)
• M2: 469,737 km (0.117 R)
• M3: 1,032,824 km (0.071 R)
• M4: 2,152,115 km (0.042 R)
• M5: 3,488,024 km (0.116 R)
• M6: 4,599,237 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 8.5

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.63 AU - 1.75 AU

Year: 1419 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,822,248 km

• M1: 105,766 km (0.089 R)
• M2: 419,472 km (0.1 R)
• M3: 709,393 km (0.102 R)
• M4: 1,037,312 km (0.102 R)
• M5: 1,673,701 km (0.093 R)
• M6: 2,629,332 km (0.056 R)
• M7: 3,304,916 km (0.084 R)
• M8: 3,615,930 km (0.101 R)
• M9: 4,316,198 km (0.074 R)
• M10: 5,232,934 km (0.058 R)
• M11: 5,543,200 km (0.103 R)
• M12: 6,573,779 km (0.041 R)
• M13: 9,553,769 km (0.087 R)
• M14: 10,498,031 km (0.105 R)
• M15: 11,614,330 km (0.059 R)
• M16: 12,453,424 km (0.081 R)
• M17: 13,786,790 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.3

Radius: 8.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.91 AU - 4.17 AU

Year: 5243 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,822,248 km

• M1: 104,419 km (0.119 R)
• M2: 540,647 km (0.11 R)
• M3: 1,161,777 km (0.081 R)
• M4: 1,707,809 km (0.051 R)
• M5: 2,264,463 km (0.099 R)
• M6: 3,394,824 km (0.108 R)
• M7: 5,058,054 km (0.097 R)
• M8: 5,824,743 km (0.083 R)
• M9: 6,501,523 km (0.046 R)
• M10: 6,981,134 km (0.073 R)
• M11: 7,305,313 km (0.117 R)
• M12: 8,732,776 km (0.097 R)
• M13: 9,376,645 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 13.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.41 AU - 4.71 AU

Year: 5282 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,822,248 km

• M1: 167,998 km (0.066 R)
• M2: 610,210 km (0.026 R)
• M3: 1,129,015 km (0.098 R)
• M4: 1,633,459 km (0.107 R)
• M5: 2,719,390 km (0.047 R)
• M6: 3,203,938 km (0.117 R)
• M7: 4,134,436 km (0.038 R)
• M8: 5,041,299 km (0.082 R)
• M9: 5,886,078 km (0.059 R)
• M10: 6,733,999 km (0.069 R)
• M11: 8,360,875 km (0.088 R)
• M12: 9,248,140 km (0.095 R)
• M13: 10,197,189 km (0.099 R)
• M14: 11,806,114 km (0.109 R)
• M15: 13,578,700 km (0.087 R)
• M16: 15,263,471 km (0.115 R)
• M17: 18,629,423 km (0.112 R)
• M18: 19,588,196 km (0.094 R)
• M19: 20,328,705 km (0.064 R)
• M20: 21,539,401 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.7

Radius: 6.6

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.88 AU - 8.82 AU

Year: 14201 Days

Day: 24.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,822,248 km

• M1: 121,922 km (0.081 R)
• M2: 330,013 km (0.074 R)
• M3: 1,083,238 km (0.096 R)
• M4: 1,326,185 km (0.097 R)
• M5: 1,591,871 km (0.107 R)
• M6: 2,017,626 km (0.09 R)
• M7: 2,443,232 km (0.086 R)
• M8: 2,906,387 km (0.103 R)
• M9: 3,180,900 km (0.083 R)
• M10: 3,613,237 km (0.095 R)
• M11: 4,240,950 km (0.114 R)
• M12: 4,822,437 km (0.046 R)
• M13: 5,393,153 km (0.1 R)
• M14: 6,245,711 km (0.053 R)
• M15: 6,704,378 km (0.054 R)
• M16: 8,174,028 km (0.064 R)
• M17: 9,295,563 km (0.101 R)
• M18: 9,753,033 km (0.11 R)
• M19: 11,370,037 km (0.107 R)
• M20: 14,328,035 km (0.12 R)
• M21: 15,566,257 km (0.087 R)
• M22: 16,874,041 km (0.083 R)
• M23: 17,417,231 km (0.075 R)
• M24: 18,898,250 km (0.031 R)
• M25: 20,006,322 km (0.106 R)
• M26: 24,612,590 km (0.112 R)
• M27: 30,573,766 km (0.064 R)
• M28: 31,076,414 km (0.097 R)
• M29: 31,584,449 km (0.111 R)
• M30: 33,353,444 km (0.105 R)
• M31: 34,750,089 km (0.068 R)
• M32: 37,774,360 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.8

Radius: 4.4

Gravity: 30.41 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.73 AU - 10.49 AU

Year: 17754 Days

Day: 22.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,822,248 km

• M1: 55,052 km (0.05 R)
• M2: 835,654 km (0.068 R)
• M3: 1,283,251 km (0.102 R)
• M4: 1,633,160 km (0.111 R)
• M5: 2,587,445 km (0.098 R)
• M6: 4,656,383 km (0.06 R)
• M7: 5,703,568 km (0.088 R)
• M8: 7,165,289 km (0.095 R)
• M9: 8,756,113 km (0.085 R)
• M10: 9,388,762 km (0.07 R)
• M11: 9,938,684 km (0.114 R)
• M12: 10,803,509 km (0.042 R)
• M13: 14,261,315 km (0.096 R)
• M14: 15,967,329 km (0.074 R)
• M15: 18,390,814 km (0.078 R)
• M16: 20,588,856 km (0.116 R)
• M17: 23,951,517 km (0.114 R)
• M18: 25,183,754 km (0.088 R)
• M19: 34,368,016 km (0.119 R)
• M20: 45,091,192 km (0.025 R)
• M21: 47,123,778 km (0.098 R)
• M22: 49,872,789 km (0.116 R)
• M23: 50,203,101 km (0.086 R)
• M24: 56,938,745 km (0.11 R)
• M25: 58,025,723 km (0.1 R)
• M26: 62,129,492 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 17,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit