🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887

Radius: 10.7

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 12.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,240,049 km

• M1: 133,292 km (0.031 R)
• M2: 564,882 km (0.076 R)
• M3: 1,066,334 km (0.113 R)
• M4: 1,533,378 km (0.073 R)
• M5: 1,913,357 km (0.048 R)
• M6: 2,495,592 km (0.092 R)
• M7: 2,848,493 km (0.061 R)
• M8: 3,182,096 km (0.098 R)
• M9: 4,240,950 km (0.083 R)
• M10: 4,623,771 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 13

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.55 AU - 0.67 AU

Year: 329 Days

Day: 14.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,240,049 km

• M1: 162,164 km (0.116 R)
• M2: 924,365 km (0.042 R)
• M3: 1,671,158 km (0.046 R)
• M4: 2,359,458 km (0.049 R)
• M5: 2,918,654 km (0.104 R)
• M6: 3,513,156 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 13.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.59 AU - 0.69 AU

Year: 353 Days

Day: 7.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,240,049 km

• M1: 171,738 km (0.067 R)
• M2: 808,576 km (0.105 R)
• M3: 1,337,555 km (0.115 R)
• M4: 2,038,271 km (0.064 R)
• M5: 2,742,578 km (0.117 R)
• M6: 3,370,889 km (0.102 R)
• M7: 4,232,872 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 13.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.66 AU - 0.78 AU

Year: 422 Days

Day: 12.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 13,240,049 km

• M1: 165,455 km (0.045 R)
• M2: 579,243 km (0.056 R)
• M3: 1,049,279 km (0.108 R)
• M4: 1,463,366 km (0.098 R)
• M5: 1,901,688 km (0.056 R)
• M6: 2,350,183 km (0.099 R)
• M7: 3,100,865 km (0.09 R)
• M8: 3,827,462 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.2

Radius: 9.7

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.8 AU - 1.2 AU

Year: 690 Days

Day: 12.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,240,049 km

• M1: 120,576 km (0.097 R)
• M2: 491,878 km (0.059 R)
• M3: 806,931 km (0.081 R)
• M4: 1,204,712 km (0.117 R)
• M5: 1,511,238 km (0.118 R)
• M6: 1,975,739 km (0.107 R)
• M7: 2,324,302 km (0.065 R)
• M8: 2,797,181 km (0.087 R)
• M9: 3,204,686 km (0.067 R)
• M10: 4,003,538 km (0.079 R)
• M11: 4,421,215 km (0.088 R)
• M12: 4,760,952 km (0.11 R)
• M13: 5,679,034 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 9.7

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.81 AU - 1.21 AU

Year: 701 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,240,049 km

• M1: 120,725 km (0.081 R)
• M2: 437,275 km (0.112 R)
• M3: 773,571 km (0.096 R)
• M4: 1,131,110 km (0.074 R)
• M5: 2,127,282 km (0.081 R)
• M6: 3,126,745 km (0.099 R)
• M7: 4,118,729 km (0.091 R)
• M8: 4,572,908 km (0.058 R)
• M9: 5,130,309 km (0.094 R)
• M10: 5,452,992 km (0.037 R)
• M11: 6,712,307 km (0.118 R)
• M12: 7,275,842 km (0.101 R)
• M13: 8,012,312 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522

Radius: 10.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.84 AU - 1.36 AU

Year: 796 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,240,049 km

• M1: 131,796 km (0.063 R)
• M2: 562,338 km (0.082 R)
• M3: 928,255 km (0.045 R)
• M4: 1,305,241 km (0.098 R)
• M5: 2,050,239 km (0.102 R)
• M6: 2,518,779 km (0.065 R)
• M7: 3,144,697 km (0.097 R)
• M8: 4,152,538 km (0.105 R)
• M9: 4,907,708 km (0.101 R)
• M10: 5,309,378 km (0.111 R)
• M11: 5,982,269 km (0.1 R)
• M12: 6,359,854 km (0.055 R)
• M13: 6,732,203 km (0.085 R)
• M14: 7,075,381 km (0.059 R)
• M15: 7,658,065 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 11

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.95 AU - 1.29 AU

Year: 818 Days

Day: 10.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,240,049 km

• M1: 136,732 km (0.1 R)
• M2: 514,168 km (0.116 R)
• M3: 862,731 km (0.073 R)
• M4: 1,357,601 km (0.045 R)
• M5: 1,705,266 km (0.113 R)
• M6: 2,310,988 km (0.065 R)
• M7: 3,067,804 km (0.094 R)
• M8: 3,552,501 km (0.091 R)
• M9: 4,012,364 km (0.073 R)
• M10: 4,415,232 km (0.054 R)
• M11: 5,035,016 km (0.077 R)
• M12: 5,579,552 km (0.112 R)
• M13: 5,983,765 km (0.113 R)
• M14: 6,407,426 km (0.083 R)
• M15: 6,938,050 km (0.119 R)
• M16: 7,315,336 km (0.057 R)

Planet 9 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.7

Radius: 11.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.12 AU - 1.42 AU

Year: 988 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,240,049 km

• M1: 144,362 km (0.067 R)
• M2: 519,553 km (0.117 R)
• M3: 1,328,579 km (0.111 R)
• M4: 2,269,400 km (0.109 R)
• M5: 3,051,647 km (0.084 R)
• M6: 3,467,529 km (0.111 R)
• M7: 3,921,409 km (0.115 R)
• M8: 4,965,602 km (0.092 R)
• M9: 5,544,396 km (0.03 R)
• M10: 6,796,231 km (0.091 R)

Planet 10 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.2

Radius: 9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.65 AU - 2.41 AU

Year: 1996 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,240,049 km

• M1: 111,899 km (0.094 R)
• M2: 403,166 km (0.108 R)
• M3: 809,773 km (0.048 R)
• M4: 1,200,074 km (0.067 R)
• M5: 1,492,388 km (0.089 R)
• M6: 1,772,735 km (0.098 R)
• M7: 2,646,985 km (0.077 R)
• M8: 3,240,739 km (0.032 R)
• M9: 3,521,235 km (0.115 R)
• M10: 5,388,665 km (0.099 R)
• M11: 6,222,823 km (0.074 R)
• M12: 6,758,233 km (0.093 R)
• M13: 8,520,496 km (0.025 R)
• M14: 9,460,719 km (0.106 R)
• M15: 10,103,092 km (0.068 R)
• M16: 10,603,647 km (0.12 R)
• M17: 11,120,657 km (0.1 R)
• M18: 12,019,591 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 14,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit