🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.2

Radius: 13.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.57 AU - 0.93 AU

Year: 419 Days

Day: 9.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,623,203 km

• M1: 169,345 km (0.103 R)
• M2: 690,993 km (0.114 R)
• M3: 1,344,137 km (0.112 R)
• M4: 1,769,593 km (0.07 R)
• M5: 2,252,495 km (0.108 R)
• M6: 2,874,822 km (0.11 R)
• M7: 3,306,412 km (0.088 R)
• M8: 3,971,524 km (0.092 R)
• M9: 4,426,302 km (0.096 R)
• M10: 5,021,253 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.6

Radius: 12

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.75 AU - 0.75 AU

Year: 419 Days

Day: 7.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,623,203 km

• M1: 149,448 km (0.115 R)
• M2: 680,670 km (0.086 R)
• M3: 1,438,683 km (0.047 R)
• M4: 2,960,093 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 10

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.84 AU - 1.34 AU

Year: 735 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,623,203 km

• M1: 124,316 km (0.052 R)
• M2: 594,951 km (0.036 R)
• M3: 1,179,280 km (0.1 R)
• M4: 1,583,643 km (0.114 R)
• M5: 2,072,978 km (0.056 R)
• M6: 2,627,537 km (0.095 R)
• M7: 3,307,759 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.4

Radius: 9.5

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.04 AU - 1.18 AU

Year: 755 Days

Day: 7.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,623,203 km

• M1: 118,781 km (0.078 R)
• M2: 442,660 km (0.109 R)
• M3: 968,945 km (0.068 R)
• M4: 1,477,877 km (0.052 R)
• M5: 1,925,325 km (0.063 R)
• M6: 2,225,867 km (0.107 R)
• M7: 2,558,124 km (0.111 R)
• M8: 2,887,837 km (0.049 R)
• M9: 3,483,087 km (0.115 R)
• M10: 3,963,147 km (0.117 R)
• M11: 4,832,759 km (0.098 R)
• M12: 5,161,276 km (0.101 R)
• M13: 6,237,184 km (0.11 R)
• M14: 6,732,503 km (0.114 R)
• M15: 7,099,167 km (0.094 R)
• M16: 7,570,400 km (0.085 R)
• M17: 8,038,492 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 9.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.31 AU - 3.37 AU

Year: 3090 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,623,203 km

• M1: 120,725 km (0.104 R)
• M2: 555,158 km (0.036 R)
• M3: 871,557 km (0.102 R)
• M4: 1,759,869 km (0.03 R)
• M5: 2,255,637 km (0.099 R)
• M6: 2,992,705 km (0.089 R)
• M7: 3,442,995 km (0.101 R)
• M8: 3,755,804 km (0.077 R)
• M9: 5,454,039 km (0.088 R)
• M10: 5,978,978 km (0.043 R)
• M11: 6,537,427 km (0.051 R)
• M12: 7,047,256 km (0.112 R)
• M13: 7,496,948 km (0.039 R)
• M14: 8,116,283 km (0.119 R)
• M15: 11,697,805 km (0.088 R)
• M16: 12,900,124 km (0.116 R)
• M17: 13,963,316 km (0.108 R)
• M18: 14,583,848 km (0.074 R)
• M19: 14,946,473 km (0.094 R)
• M20: 15,361,757 km (0.077 R)

Asteroid Belt

Center: 3.1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.3

Radius: 10.6

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.62 AU - 4.1 AU

Year: 3977 Days

Day: 7 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,623,203 km

• M1: 131,796 km (0.118 R)
• M2: 500,854 km (0.117 R)
• M3: 1,036,713 km (0.086 R)
• M4: 1,521,859 km (0.049 R)
• M5: 2,748,113 km (0.093 R)
• M6: 3,486,528 km (0.077 R)
• M7: 4,034,056 km (0.092 R)
• M8: 4,687,051 km (0.104 R)
• M9: 5,117,145 km (0.113 R)
• M10: 6,913,217 km (0.11 R)
• M11: 7,675,867 km (0.1 R)
• M12: 8,024,579 km (0.052 R)
• M13: 9,848,327 km (0.063 R)
• M14: 12,119,372 km (0.104 R)
• M15: 13,477,123 km (0.084 R)
• M16: 13,831,819 km (0.118 R)
• M17: 14,719,383 km (0.078 R)
• M18: 16,320,380 km (0.055 R)
• M19: 19,800,475 km (0.092 R)
• M20: 22,732,593 km (0.077 R)
• M21: 24,866,158 km (0.097 R)
• M22: 26,177,084 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 13.7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.11 AU - 3.65 AU

Year: 4012 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,623,203 km

• M1: 170,392 km (0.044 R)
• M2: 598,092 km (0.056 R)
• M3: 1,202,019 km (0.071 R)
• M4: 2,249,653 km (0.04 R)
• M5: 2,697,250 km (0.099 R)
• M6: 3,413,674 km (0.046 R)
• M7: 4,414,783 km (0.092 R)
• M8: 6,199,037 km (0.12 R)
• M9: 6,931,468 km (0.069 R)
• M10: 8,208,734 km (0.078 R)
• M11: 9,837,107 km (0.083 R)
• M12: 10,411,264 km (0.118 R)
• M13: 11,626,747 km (0.104 R)
• M14: 12,083,170 km (0.113 R)
• M15: 13,129,457 km (0.117 R)
• M16: 16,575,145 km (0.085 R)
• M17: 17,926,911 km (0.066 R)
• M18: 18,475,337 km (0.114 R)
• M19: 21,523,992 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 9.7

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.24 AU - 7.04 AU

Year: 8648 Days

Day: 12.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,623,203 km

• M1: 120,725 km (0.056 R)
• M2: 485,146 km (0.106 R)
• M3: 824,284 km (0.09 R)
• M4: 1,812,977 km (0.076 R)
• M5: 2,504,717 km (0.092 R)
• M6: 2,811,243 km (0.055 R)
• M7: 3,618,025 km (0.07 R)
• M8: 3,935,770 km (0.089 R)
• M9: 4,544,185 km (0.112 R)
• M10: 5,981,521 km (0.116 R)
• M11: 6,322,754 km (0.083 R)
• M12: 7,044,713 km (0.06 R)
• M13: 8,695,376 km (0.091 R)
• M14: 9,496,024 km (0.044 R)
• M15: 13,368,365 km (0.072 R)
• M16: 14,494,837 km (0.081 R)
• M17: 15,747,719 km (0.087 R)
• M18: 16,202,796 km (0.081 R)
• M19: 17,900,283 km (0.116 R)
• M20: 23,870,435 km (0.055 R)
• M21: 24,644,753 km (0.116 R)
• M22: 25,082,177 km (0.041 R)
• M23: 25,703,158 km (0.065 R)
• M24: 26,334,461 km (0.093 R)
• M25: 26,883,785 km (0.103 R)
• M26: 28,481,639 km (0.089 R)
• M27: 31,249,948 km (0.1 R)
• M28: 35,954,651 km (0.086 R)
• M29: 37,315,394 km (0.062 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 10,667 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit