🌌 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: 212.4

Radius: 10.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.68 AU - 0.68 AU

Year: 374 Days

Day: 8.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,383,935 km

• M1: 130,599 km (0.07 R)
• M2: 537,056 km (0.119 R)
• M3: 874,699 km (0.03 R)
• M4: 1,398,291 km (0.104 R)
• M5: 1,996,084 km (0.111 R)
• M6: 2,554,683 km (0.099 R)
• M7: 2,898,459 km (0.044 R)
• M8: 3,322,419 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 13.1

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.74 AU - 0.76 AU

Year: 433 Days

Day: 14.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,383,935 km

• M1: 163,062 km (0.077 R)
• M2: 601,982 km (0.1 R)
• M3: 1,306,289 km (0.032 R)
• M4: 2,112,472 km (0.1 R)
• M5: 2,701,438 km (0.095 R)
• M6: 3,664,101 km (0.081 R)
• M7: 4,275,657 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 13.1

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.76 AU - 0.86 AU

Year: 486 Days

Day: 13.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,383,935 km

• M1: 162,912 km (0.088 R)
• M2: 820,844 km (0.082 R)
• M3: 1,358,049 km (0.053 R)
• M4: 1,767,050 km (0.034 R)
• M5: 2,269,101 km (0.096 R)
• M6: 3,050,749 km (0.04 R)
• M7: 3,704,941 km (0.093 R)
• M8: 4,350,755 km (0.097 R)
• M9: 4,868,064 km (0.108 R)
• M10: 5,492,785 km (0.048 R)
• M11: 6,044,951 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 11.3

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.83 AU - 0.91 AU

Year: 541 Days

Day: 14.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,383,935 km

• M1: 140,472 km (0.068 R)
• M2: 565,630 km (0.105 R)
• M3: 1,047,185 km (0.107 R)
• M4: 1,978,881 km (0.067 R)
• M5: 2,365,591 km (0.077 R)
• M6: 2,735,696 km (0.08 R)
• M7: 3,108,045 km (0.11 R)
• M8: 3,662,455 km (0.095 R)
• M9: 4,327,418 km (0.118 R)
• M10: 5,088,572 km (0.105 R)
• M11: 5,582,993 km (0.113 R)
• M12: 6,324,998 km (0.073 R)
• M13: 7,349,145 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.5

Radius: 10.6

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.62 AU - 4.22 AU

Year: 5176 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,383,935 km

• M1: 131,796 km (0.077 R)
• M2: 490,382 km (0.116 R)
• M3: 873,053 km (0.107 R)
• M4: 1,239,718 km (0.099 R)
• M5: 1,628,223 km (0.046 R)
• M6: 2,299,319 km (0.096 R)
• M7: 2,707,721 km (0.043 R)
• M8: 3,164,294 km (0.1 R)
• M9: 3,631,189 km (0.105 R)
• M10: 4,951,540 km (0.086 R)
• M11: 5,501,162 km (0.102 R)
• M12: 6,004,260 km (0.075 R)
• M13: 6,629,729 km (0.095 R)
• M14: 7,135,070 km (0.063 R)
• M15: 7,631,885 km (0.103 R)
• M16: 8,806,677 km (0.119 R)
• M17: 9,185,459 km (0.1 R)
• M18: 10,016,325 km (0.054 R)
• M19: 10,555,327 km (0.09 R)
• M20: 12,056,990 km (0.053 R)
• M21: 15,588,996 km (0.041 R)
• M22: 17,769,534 km (0.089 R)
• M23: 18,621,943 km (0.073 R)
• M24: 19,310,542 km (0.083 R)
• M25: 20,473,815 km (0.066 R)
• M26: 22,797,818 km (0.118 R)
• M27: 24,170,378 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 14

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.98 AU - 5.78 AU

Year: 7189 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,383,935 km

• M1: 199,115 km (0.051 R)
• M2: 644,767 km (0.11 R)
• M3: 1,116,299 km (0.09 R)
• M4: 1,634,955 km (0.098 R)
• M5: 2,189,963 km (0.082 R)
• M6: 2,814,534 km (0.119 R)
• M7: 3,470,222 km (0.099 R)
• M8: 4,202,055 km (0.05 R)
• M9: 4,952,288 km (0.045 R)
• M10: 6,006,355 km (0.09 R)
• M11: 6,754,793 km (0.06 R)
• M12: 8,282,037 km (0.109 R)
• M13: 9,852,516 km (0.107 R)
• M14: 12,262,238 km (0.118 R)
• M15: 13,468,446 km (0.117 R)
• M16: 13,906,169 km (0.086 R)
• M17: 14,752,444 km (0.067 R)
• M18: 19,577,873 km (0.11 R)
• M19: 20,497,152 km (0.101 R)
• M20: 22,960,281 km (0.119 R)
• M21: 23,507,211 km (0.112 R)
• M22: 24,223,037 km (0.104 R)
• M23: 25,865,921 km (0.052 R)
• M24: 26,543,449 km (0.092 R)
• M25: 29,008,523 km (0.048 R)
• M26: 30,577,655 km (0.086 R)
• M27: 31,718,937 km (0.084 R)
• M28: 32,888,344 km (0.108 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: 383 - 16,533 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit