🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 9.9

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.84 AU - 1 AU

Year: 579 Days

Day: 7.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,662,239 km

• M1: 124,615 km (0.116 R)
• M2: 514,168 km (0.095 R)
• M3: 1,168,659 km (0.102 R)
• M4: 1,733,540 km (0.115 R)
• M5: 2,517,882 km (0.11 R)
• M6: 2,934,362 km (0.067 R)
• M7: 3,340,520 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 10.3

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.34 AU - 2.18 AU

Year: 1532 Days

Day: 13.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 20,662,239 km

• M1: 128,056 km (0.046 R)
• M2: 488,437 km (0.106 R)
• M3: 976,724 km (0.087 R)
• M4: 1,372,411 km (0.063 R)
• M5: 1,770,640 km (0.048 R)
• M6: 2,443,980 km (0.09 R)
• M7: 2,769,505 km (0.114 R)
• M8: 3,523,179 km (0.106 R)
• M9: 4,108,257 km (0.118 R)
• M10: 4,655,486 km (0.104 R)
• M11: 6,983,677 km (0.069 R)
• M12: 7,598,973 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 11.3

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.25 AU - 3.47 AU

Year: 3173 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,662,239 km

• M1: 140,622 km (0.092 R)
• M2: 742,305 km (0.089 R)
• M3: 1,317,808 km (0.118 R)
• M4: 2,724,327 km (0.071 R)
• M5: 6,951,215 km (0.11 R)
• M6: 7,921,506 km (0.069 R)
• M7: 8,539,944 km (0.078 R)
• M8: 11,481,337 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 8.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.61 AU - 3.17 AU

Year: 3223 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,662,239 km

• M1: 106,065 km (0.08 R)
• M2: 426,803 km (0.042 R)
• M3: 1,261,260 km (0.105 R)
• M4: 1,851,722 km (0.114 R)
• M5: 2,514,890 km (0.082 R)
• M6: 3,757,749 km (0.095 R)
• M7: 5,226,202 km (0.076 R)
• M8: 5,783,005 km (0.085 R)
• M9: 10,318,214 km (0.081 R)
• M10: 14,959,338 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 10.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.54 AU - 3.6 AU

Year: 3529 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,662,239 km

• M1: 134,339 km (0.096 R)
• M2: 502,649 km (0.092 R)
• M3: 2,262,369 km (0.113 R)
• M4: 3,204,536 km (0.115 R)
• M5: 3,755,206 km (0.109 R)
• M6: 4,973,232 km (0.09 R)
• M7: 6,702,284 km (0.026 R)
• M8: 7,443,990 km (0.108 R)
• M9: 10,038,765 km (0.078 R)
• M10: 12,581,929 km (0.113 R)
• M11: 15,897,915 km (0.081 R)
• M12: 17,046,827 km (0.063 R)
• M13: 22,536,620 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.2

Radius: 11.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3 AU - 3.44 AU

Year: 3790 Days

Day: 8.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,662,239 km

• M1: 142,118 km (0.107 R)
• M2: 601,683 km (0.049 R)
• M3: 1,362,687 km (0.046 R)
• M4: 2,554,683 km (0.111 R)
• M5: 4,096,438 km (0.111 R)
• M6: 5,435,190 km (0.027 R)
• M7: 6,306,298 km (0.107 R)
• M8: 6,743,573 km (0.117 R)
• M9: 8,349,656 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 10.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.15 AU - 3.91 AU

Year: 4351 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,662,239 km

• M1: 135,536 km (0.061 R)
• M2: 662,719 km (0.098 R)
• M3: 1,101,938 km (0.079 R)
• M4: 2,297,674 km (0.077 R)
• M5: 3,183,143 km (0.116 R)
• M6: 3,941,904 km (0.086 R)
• M7: 5,423,671 km (0.117 R)
• M8: 7,725,832 km (0.079 R)
• M9: 8,298,493 km (0.062 R)
• M10: 9,289,130 km (0.086 R)
• M11: 9,854,461 km (0.029 R)
• M12: 11,596,528 km (0.079 R)
• M13: 13,081,287 km (0.11 R)
• M14: 14,689,165 km (0.049 R)
• M15: 16,424,949 km (0.12 R)
• M16: 19,053,383 km (0.053 R)
• M17: 23,026,703 km (0.103 R)
• M18: 23,614,921 km (0.044 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 9.2

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.69 AU - 4.67 AU

Year: 5606 Days

Day: 7.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 20,662,239 km

• M1: 115,041 km (0.048 R)
• M2: 432,039 km (0.097 R)
• M3: 862,133 km (0.118 R)
• M4: 1,161,627 km (0.118 R)
• M5: 1,461,272 km (0.079 R)
• M6: 1,786,348 km (0.114 R)
• M7: 2,482,277 km (0.078 R)
• M8: 3,164,743 km (0.116 R)
• M9: 3,897,473 km (0.109 R)
• M10: 4,378,879 km (0.061 R)
• M11: 5,697,136 km (0.039 R)
• M12: 6,846,646 km (0.102 R)
• M13: 7,262,229 km (0.052 R)
• M14: 7,657,915 km (0.119 R)
• M15: 8,810,567 km (0.069 R)
• M16: 10,567,893 km (0.118 R)
• M17: 10,983,027 km (0.101 R)
• M18: 11,993,710 km (0.113 R)
• M19: 13,705,559 km (0.074 R)
• M20: 15,222,780 km (0.09 R)
• M21: 15,633,725 km (0.092 R)
• M22: 17,543,342 km (0.079 R)
• M23: 20,584,817 km (0.101 R)
• M24: 22,042,947 km (0.069 R)
• M25: 23,568,845 km (0.083 R)
• M26: 25,656,035 km (0.084 R)
• M27: 29,736,766 km (0.034 R)
• M28: 30,564,640 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.4

Radius: 3.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.56 AU - 7.92 AU

Year: 11479 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,662,239 km

• M1: 48,619 km (0.094 R)
• M2: 337,343 km (0.115 R)
• M3: 658,829 km (0.12 R)
• M4: 2,500,080 km (0.077 R)
• M5: 6,732,054 km (0.073 R)
• M6: 9,233,779 km (0.071 R)
• M7: 12,717,016 km (0.108 R)
• M8: 13,102,380 km (0.106 R)
• M9: 23,099,557 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.9

Radius: 7.3

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.93 AU - 8.77 AU

Year: 15828 Days

Day: 24.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,662,239 km

• M1: 90,806 km (0.119 R)
• M2: 495,618 km (0.086 R)
• M3: 796,908 km (0.087 R)
• M4: 3,223,236 km (0.083 R)
• M5: 6,473,848 km (0.063 R)
• M6: 15,901,506 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 20,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit