🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 10.3

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.45 AU - 0.67 AU

Year: 284 Days

Day: 14 Hours

Environment

Temp: -136 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,103,101 km

• M1: 128,355 km (0.056 R)
• M2: 510,129 km (0.108 R)
• M3: 854,802 km (0.029 R)
• M4: 1,408,614 km (0.05 R)
• M5: 1,901,987 km (0.094 R)
• M6: 2,866,744 km (0.114 R)
• M7: 3,402,454 km (0.108 R)
• M8: 3,966,737 km (0.068 R)
• M9: 4,389,950 km (0.08 R)
• M10: 4,829,169 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.3

Radius: 8

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.98 AU - 0.98 AU

Year: 658 Days

Day: 9.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,103,101 km

• M1: 99,483 km (0.097 R)
• M2: 580,889 km (0.072 R)
• M3: 890,107 km (0.094 R)
• M4: 1,201,121 km (0.077 R)
• M5: 1,724,265 km (0.116 R)
• M6: 2,011,942 km (0.11 R)
• M7: 2,263,117 km (0.044 R)
• M8: 2,740,035 km (0.104 R)
• M9: 3,158,759 km (0.094 R)
• M10: 3,435,066 km (0.097 R)
• M11: 3,852,145 km (0.1 R)
• M12: 4,138,924 km (0.12 R)
• M13: 4,869,261 km (0.057 R)
• M14: 5,960,877 km (0.101 R)
• M15: 6,365,090 km (0.101 R)
• M16: 7,016,290 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.2

Radius: 10.9

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.79 AU - 1.85 AU

Year: 1665 Days

Day: 14.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,103,101 km

• M1: 135,685 km (0.08 R)
• M2: 490,232 km (0.101 R)
• M3: 930,200 km (0.036 R)
• M4: 1,358,199 km (0.115 R)
• M5: 1,705,266 km (0.118 R)
• M6: 2,598,365 km (0.104 R)
• M7: 2,942,889 km (0.095 R)
• M8: 3,959,706 km (0.116 R)
• M9: 4,478,811 km (0.07 R)
• M10: 5,285,891 km (0.092 R)
• M11: 6,137,402 km (0.108 R)
• M12: 6,675,057 km (0.082 R)
• M13: 7,105,450 km (0.106 R)
• M14: 7,525,820 km (0.046 R)
• M15: 8,263,338 km (0.096 R)
• M16: 8,951,637 km (0.086 R)
• M17: 10,803,360 km (0.062 R)
• M18: 11,360,163 km (0.081 R)
• M19: 12,611,998 km (0.074 R)
• M20: 14,569,636 km (0.087 R)
• M21: 14,929,718 km (0.096 R)
• M22: 15,621,010 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.3

Radius: 8.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.5 AU - 4.96 AU

Year: 5901 Days

Day: 9.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,103,101 km

• M1: 109,506 km (0.071 R)
• M2: 458,817 km (0.052 R)
• M3: 1,197,381 km (0.053 R)
• M4: 1,735,036 km (0.063 R)
• M5: 2,274,636 km (0.07 R)
• M6: 3,584,814 km (0.059 R)
• M7: 4,390,548 km (0.104 R)
• M8: 4,725,348 km (0.086 R)
• M9: 5,285,742 km (0.095 R)
• M10: 5,665,122 km (0.111 R)
• M11: 6,004,559 km (0.115 R)
• M12: 8,227,733 km (0.093 R)
• M13: 10,396,154 km (0.099 R)
• M14: 10,691,610 km (0.098 R)
• M15: 11,567,057 km (0.103 R)
• M16: 12,823,529 km (0.105 R)
• M17: 13,861,888 km (0.089 R)
• M18: 15,660,503 km (0.054 R)
• M19: 16,615,686 km (0.093 R)
• M20: 18,456,936 km (0.03 R)
• M21: 19,268,206 km (0.098 R)
• M22: 19,779,082 km (0.117 R)
• M23: 21,913,246 km (0.067 R)
• M24: 25,319,739 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.9

Radius: 11.6

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.14 AU - 6.54 AU

Year: 8370 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,103,101 km

• M1: 145,110 km (0.112 R)
• M2: 558,299 km (0.119 R)
• M3: 938,876 km (0.112 R)
• M4: 1,347,727 km (0.073 R)
• M5: 1,973,046 km (0.057 R)
• M6: 2,889,333 km (0.056 R)
• M7: 3,628,048 km (0.083 R)
• M8: 5,414,695 km (0.089 R)
• M9: 6,803,562 km (0.118 R)
• M10: 8,416,975 km (0.108 R)
• M11: 10,580,010 km (0.078 R)
• M12: 13,514,073 km (0.083 R)
• M13: 14,134,904 km (0.059 R)
• M14: 15,300,272 km (0.116 R)
• M15: 16,319,333 km (0.074 R)
• M16: 18,267,097 km (0.094 R)
• M17: 18,796,374 km (0.111 R)
• M18: 19,180,691 km (0.053 R)
• M19: 21,430,643 km (0.098 R)
• M20: 24,392,830 km (0.116 R)
• M21: 24,942,453 km (0.081 R)
• M22: 27,716,596 km (0.087 R)
• M23: 28,415,966 km (0.113 R)
• M24: 29,332,253 km (0.082 R)
• M25: 32,090,090 km (0.094 R)
• M26: 40,878,217 km (0.08 R)
• M27: 43,101,989 km (0.109 R)
• M28: 45,405,198 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.5

Radius: 8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.81 AU - 10.61 AU

Year: 18957 Days

Day: 23.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,103,101 km

• M1: 129,253 km (0.044 R)
• M2: 1,011,730 km (0.088 R)
• M3: 1,820,756 km (0.075 R)
• M4: 2,105,291 km (0.104 R)
• M5: 2,786,260 km (0.102 R)
• M6: 4,608,063 km (0.117 R)
• M7: 5,405,719 km (0.058 R)
• M8: 8,717,966 km (0.049 R)
• M9: 9,191,443 km (0.05 R)
• M10: 15,658,260 km (0.117 R)
• M11: 18,582,150 km (0.097 R)
• M12: 19,605,848 km (0.027 R)
• M13: 24,078,376 km (0.104 R)
• M14: 30,032,072 km (0.102 R)
• M15: 32,665,293 km (0.072 R)
• M16: 39,656,451 km (0.085 R)
• M17: 43,362,738 km (0.119 R)
• M18: 44,047,896 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.8

Radius: 6.3

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 8.28 AU - 12.1 AU

Year: 22062 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,103,101 km

• M1: 94,845 km (0.076 R)
• M2: 312,360 km (0.073 R)
• M3: 1,039,406 km (0.116 R)
• M4: 1,706,613 km (0.091 R)
• M5: 2,174,854 km (0.076 R)
• M6: 2,371,276 km (0.096 R)
• M7: 3,006,768 km (0.074 R)
• M8: 3,336,033 km (0.115 R)
• M9: 5,553,522 km (0.076 R)
• M10: 9,264,447 km (0.082 R)
• M11: 14,359,002 km (0.098 R)
• M12: 16,935,077 km (0.072 R)
• M13: 17,363,675 km (0.095 R)
• M14: 19,803,766 km (0.116 R)
• M15: 20,183,745 km (0.095 R)
• M16: 21,154,784 km (0.06 R)
• M17: 25,575,252 km (0.118 R)
• M18: 26,942,876 km (0.095 R)
• M19: 28,478,797 km (0.083 R)
• M20: 29,084,668 km (0.083 R)
• M21: 33,569,463 km (0.038 R)
• M22: 37,473,070 km (0.04 R)
• M23: 43,558,861 km (0.051 R)
• M24: 45,177,061 km (0.11 R)
• M25: 45,835,441 km (0.112 R)
• M26: 54,799,046 km (0.12 R)
• M27: 58,222,145 km (0.08 R)
• M28: 63,208,990 km (0.087 R)
• M29: 64,862,944 km (0.066 R)
• M30: 72,439,179 km (0.104 R)
• M31: 72,663,875 km (0.108 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: 466 - 19,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit